AMS Meeting Full Program

Current as of Tuesday, April 12, 2005 15:08:40

1990 Joint Mathematics Meetings
Louisville, KY, January 17-20, 1990
Meeting #854

Sunday January 14, 1990

Monday January 15, 1990

Tuesday January 16, 1990

• Tuesday January 16, 1990, 7:30 a.m.-3:00 p.m.
  MAA Board of Governors
• Tuesday January 16, 1990, 1:00 p.m.-6:00 p.m.
  AMS Council
• Tuesday January 16, 1990, 3:30 p.m.-5:30 p.m.
  MAA Section Officers
• Tuesday January 16, 1990, 6:00 p.m.-8:00 p.m.
  MAA Minicourse #1: Part A
  Computer based discrete mathematics
  Organizers:
  Nancy Hood Baxter, Dickinson College
  Ed Dubinsky, Purdue University
  Donald Muench, St. John Fisher College

Wednesday January 17, 1990

• Wednesday January 17, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Group Representations and Operator Algebras, I
  

  • 7:00 a.m.
    The C*-algebra and characters of GL(n) of an infinite discrete field.
    Jonathan Rosenberg*, University of Maryland, College Park
    (854-22-18)
  • 7:30 a.m.
    On hereditarily saturated compact group actions.
    Elliot C. Gootman*, University of Georgia
    Aldo J. Lazar, Tel Aviv University, Israel
    (854-46-35)
  • 8:00 a.m.
    Continuous trace groupoid C*-algebras.
    Paul S. Muhly*, University of Iowa
    Dana P. Williams, Dartmouth College
    (854-46-14)
  • 8:30 a.m.
    The spectrum of crossed products by locally unitary actions.
    Iain Raeburn, University of New South Wales, Australia
    Dana P. Williams*, Dartmouth College
    (854-46-24)
  • 9:00 a.m.
    Some examples of quantum groups.
    Marc A. Rieffel*, University of California, Berkeley
    (854-46-23)
  • 9:30 a.m.
    On the cohomological equivalence of a class of functions under an irrational rotation of bounded type.
    Lawrence Baggett, University of Colorado, Boulder
    Kathy Merrill*, Colorado College
    (854-28-36)
• Wednesday January 17, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on History of Mathematics, I
  

  • 7:00 a.m.
    Before Euler: The roots of mathematics and mathematics education in Russia in the age of Peter the Great.
    Irving H. Anellis*, Iowa State University
    (854-01-07)
  • 7:30 a.m.
    Dmitrii Egorov and the roots of modern Soviet mathematics.
    Charles E. Ford*, Saint Louis University
    (854-01-107)
  • 8:05 a.m.
    N. N. Luzin and the persistent problems of set theory.
    Roger Cooke*, University of Vermont
    (854-01-21)
  • 8:40 a.m.
    The Moscow school in the 1930's.
    Sergei S. Demidov*, Soviet Academy of Sciences, USSR
    (854-01-106)
  • 9:25 a.m.
    Calculus of variations and differential equations in Lagrange's mathematics 1765-1785.
    Craig Fraser*, University of Toronto
    (854-01-30)
• Wednesday January 17, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Topology in Computer Graphics and Image Processing, I
  

  • 7:00 a.m.
    Digital topology.
    Azriel Rosenfeld*, University of Maryland, College Park
    (854-68-08)
  • 7:30 a.m.
    Boundaries in n-dimensional discrete spaces.
    Jayaram K. Udupa*, University of Pennsylvania
    (854-68-254)
  • 8:00 a.m.
    Boundaries in digital planes.
    Efim Khalimsky, College of Staten Island, City University of New York
    Ralph Kopperman, City College, City University of New York
    Paul R. Meyer*, Herbert H. Lehman College, City University of New York
    (854-54-89)
  • 8:30 a.m.
    Transformations of "animals" in E3.
    K. Kuperberg*, Auburn University, Auburn
    (854-57-119)
  • 9:00 a.m.
    The topological structure of digital images.
    Erwin Kronheimer*, Birkbeck College, University of London, England
    (854-54-26)
  • 9:30 a.m.
    Topological complexes and finite spaces in computer sciences.
    Efim Khalimsky*, Ohio State University, Dayton
    (854-57-191)
• Wednesday January 17, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Semigroup Theory, I
  

  • 7:00 a.m.
    Schutzenberger groups of H-classes of transformation semigroups.
    K. D. Magill, Jr.*, State University of New York, College at Buffalo
    (854-20-27)
  • 7:30 a.m.
    Croisot-Teissier semigroups, their automorphisms and automorphism groups.
    Graham Wood*, University of Canterbury, New Zealand
    (854-20-78)
  • 8:00 a.m.
    Idempotent rank in finite full transformation semigroups.
    John M. Howie, University of St. Andrews, Scotland
    Robert B. McFadden*, University of Louisville
    (854-20-226)
  • 8:30 a.m.
    Divisible actions of semigroups.
    John A. Hildebrant*, Louisiana State University, Baton Rouge
    (854-20-251)
  • 9:00 a.m.
    Minimal degree of arbitrary finite inverse semigroups.
    Boris M. Schein*, University of Arkansas, Fayetteville
    (854-20-252)
  • 9:30 a.m.
    The lattice of semigroup varieties (updated).
    Trevor Evans*, Emory University
    (854-20-617)
• Wednesday January 17, 1990, 7:00 a.m.-9:20 a.m.
  AMS Special Session on Function Theoretic Methods in Differential Equations, I
  

  • 7:00 a.m.
    On some relations involving tau functions, dressing kernels, and spectral data.
    Robert Carroll*, University of Illinois, Urbana-Champaign
    (854-35-41)
  • 7:30 a.m.
    Solutions of a higher order heat equation.
    Deborah Tepper Haimo*, University of Missouri, St.\ Louis
    Clemens Markett, Rheinisch-Westf\"alische Technische Hochschule, Federal Republic of Germany
    (854-33-395)
  • 8:00 a.m.
    Application of the Schwarz function to some partial differential equations.
    Robert F. Millar*, University of Alberta
    (854-35-238)
  • 8:30 a.m.
    Differential and integral equations associated with certain reproducing kernels.
    M. Zuhair Nashed*, University of Delaware
    (854-34-543)
  • 9:00 a.m.
    Some differential operators which commute with integral operators.
    Gilbert G. Walter*, University of Wisconsin, Milwaukee
    (854-34-286)
• Wednesday January 17, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Set Theory and Combinatorics
  

  • 7:00 a.m.
    Cyclotomy in the Disquisitiones Arithemeticae.
    Michael Josephy*, University of Costa Rica, Costa Rica
    (854-01-90)
  • 7:15 a.m.
    Mathematics in the Vedas.
    R. N. Kalia*, Saint Cloud State University
    (854-01-304)
  • 7:30 a.m.
    Arthur Buchheim (1859 - 1888).
    J. J. Tattersall*, Providence College
    (854-01-463)
  • 7:45 a.m.
    Maximal R. E. equivalence relations.
    Jeffrey S. Carroll*, Ithaca College
    (854-03-387)
  • 8:00 a.m.
    Applications of WCWO.
    Jeffry L. Hirst*, Ohio State University, Columbus
    (854-03-422)
  • 8:15 a.m.
    Some results on e-genericity and weak truth table degrees.
    Richard Blaylock*, University of Illinois, Urbana-Champaign
    (854-03-491)
  • 8:30 a.m.
    Systems of combinatory logic related to Quine's "New Foundations".
    Melvin Randall Holmes*, State University of New York, Binghamton
    (854-03-524)
  • 8:45 a.m.
    On certain measure zero, first category sets.
    Kandasamy Muthuvel*, University of Wisconsin, Oshkosh
    (854-04-202)
  • 9:00 a.m.
    Accurate bounds for new van der Waerden type numbers.
    Bruce M. Landman, University of North Carolina, Greensboro
    Raymond N. Greenwell*, Hofstra University
    (854-05-19)
  • 9:15 a.m.
    Supercube.
    Joseph Arkin*, United States Military Academy
    David C. Arney, United States Military Academy
    Frank R. Giordano, Unived States Military Academy
    (854-05-181)
  • 9:30 a.m.
    Almost-planar graphs.
    Bradley Gubser*, Louisiana State University, Baton Rouge
    (854-05-215)
  • 9:45 a.m.
    Ramsey functions related to the van der Waerden numbers.
    Bruce M. Landman*, University of North Carolina, Greensboro
    (854-05-218)
• Wednesday January 17, 1990, 7:00 a.m.-9:50 a.m.
  MAA Session on Discrete Mathematics: Has the Bubble Burst?, Part A
  

  • 7:00 a.m.
    Tailoring discrete mathematics to fit ACM requirements.
    Lisa Townsley Kulich*, Illinois Benedictine College
  • 7:25 a.m.
    An approach for teaching discrete mathematics to computer science majors.
    Nabil Moussa*, American University in Cairo, Egypt
  • 7:50 a.m.
    Structures and proofs first, algorithms later.
    Larry J. Gerstein*, University of California, Santa Barbara
  • 8:15 a.m.
    Logic and proof in discrete mathematics.
    Susanna S. Epp*, DePaul University
  • 8:40 a.m.
    A writing intensive course in discrete mathematics.
    Emelie Kenney*, Wilkes College
  • 9:05 a.m.
    Integrating discrete mathematics into the computer science curriculum with the active participation teaching method.
    Jean B. Chan*, Sonoma State University
  • 9:30 a.m.
    Relational databases and discrete mathematics.
    Kevin John M. Carolan*, Marist College
• Wednesday January 17, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #2: Part A
  Finite-Pak - software for linear programming
  Organizers:
  Marvin L. Bittinger, Indiana University - Purdue University, Indianapolis
  J. Conrad Crown, Indiana University - Purdue University, Indianapolis
• Wednesday January 17, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #3: Part A
  Random mappings
  Organizers:
  Bernard Harris, University of Wisconsin, Madison
• Wednesday January 17, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #4: Part A
  Lagrange first year calculus
  Organizers:
  Francesca Schremmer, West Chester University
  Alain Schremmer, Community College of Philadelphia
• Wednesday January 17, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #5: Part A
  Teaching mathematical modeling
  Organizers:
  Frank R. Giordano, United States Military Academy
  Maurice D. Weir, Naval Postgraduate School
• Wednesday January 17, 1990, 7:30 a.m.-8:50 a.m.
  AMS-MAA Panel Discussion
  Mathematics and public policy: How can we make a difference?
  Moderators:
  John A. Thorpe, SUNY at Buffalo
  s:
  Phil Darrow,
  Kenneth M. Hoffman, Mathematical Sciences Education Board
  Harvey B. Keynes, University of Minnesota
  Paul Sally, University of Chicago
• Wednesday January 17, 1990, 8:30 a.m.-9:55 a.m.
  MAA Panel Discussion
  Humanistic mathematics
  Moderators:
  Alvin M. White, Harvey Mudd College
• Wednesday January 17, 1990, 9:05 a.m.-9:55 a.m.
  AMS Invited Address
  Quantum many-body problem.
  I. M. Sigal*, University of Toronto and University of California, Irvine
  (854-81-65)
• Wednesday January 17, 1990, 10:10 a.m.-11:00 a.m.
  AMS-MAA Invited Address
  Fifty years of eigenvalue perturbation theory.
  Barry Simon*, California Institute of Technology
• Wednesday January 17, 1990, 11:00 a.m.-12:00 p.m.
  National Science Foundation
• Wednesday January 17, 1990, 12:00 p.m.-1:00 p.m.
  AMS Colloquium Lectures: Lecture I
  Some thoughts on the interaction between group theory and physics.
  Shlomo Sternberg*, Harvard University
• Wednesday January 17, 1990, 1:15 p.m.-2:05 p.m.
  MAA Invited Address
  What's between a domain and its quotient field?
  Judith D. Sally*, Northwestern University
• Wednesday January 17, 1990, 1:15 p.m.-4:35 p.m.
  AMS Special Session on the Schr\"odinger Equation, I
  

  • 1:15 p.m.
    Many body Coulomb systems, stability, large Z asymptotics and ionization.
    H.-T. Yau*, Courant Institute of Mathematical Sciences, New York University
    (854-81-597)
  • 1:45 p.m.
    Limits on the total charge of stable diatomic molecules.
    Mary Beth Ruskai*, University of Lowell
    (854-81-123)
  • 2:15 p.m.
    Asymptotic neutrality of molecules.
    Jan Philip Solovej*, University of Michigan, Ann Arbor
    (854-81-224)
  • 2:45 p.m.
    Asymptotic behaviour of the groundstate of large atoms.
    Heinz Siedentop*, Technical University Braunschweig, Federal Republic of Germany
    (854-81-253)
  • 3:15 p.m.
    Mathematical properties of large atoms.
    Luis Seco*, California Institute of Technology
    (854-81-225)
  • 3:45 p.m.
    Spin polarized Thomas-Fermi theory with an external electric field.
    Jerome A. Goldstein*, Tulane University
    (854-35-95)
  • 4:15 p.m.
    Electron energy level crossings in the time-dependent Born-Oppenheimer approximation.
    George A. Hagedorn*, Virginia Polytechnic Institute and State University
    (854-81-49)
• Wednesday January 17, 1990, 1:15 p.m.-3:35 p.m.
  AMS Special Session on Multivariable Operator Theory, I
  

  • 1:15 p.m.
    When is a spectral set necessarily a complete spectral set?
    Vern I. Paulsen*, University of Houston, University Park
    (854-47-54)
  • 1:45 p.m.
    Some theorems on hyponormal n-tuple of operators.
    Daoxing Xia*, Vanderbilt University
    (854-47-10)
  • 2:15 p.m.
    On the representation of certain holomorphic functions defined on the polydisc.
    Jim Agler*, University of California at San Diego, La Jolla
    (854-47-466)
  • 2:45 p.m.
    Operator estimates on Bergman spaces on the Cartan domains.
    Charles A. Berger*, Herbert H. Lehman College, City University of New York
    (854-47-350)
  • 3:15 p.m.
    Toeplitz and Weyl quantization.
    Harald Upmeier*, University of Kansas
    (854-47-233)
• Wednesday January 17, 1990, 1:15 p.m.-3:05 p.m.
  AMS Special Session on Homotopy Theory, I
  

  • 1:15 p.m.
    A-module maps from H^otimes n to H^otimes s.
    John C. Harris*, University of Toronto
    Thomas J. Hunter, University of Kentucky
    Robert James Shank, University of Rochester
    (854-55-67)
  • 1:45 p.m.
    Polynomial algebras over the Steenrod algebra and Lannes' division functors.
    Robert James Shank*, University of Rochester
    (854-55-204)
  • 2:15 p.m.
    On the [pk]-series in Brown-Peterson homology.
    George Nakos*, United States Naval Academy
    (854-55-113)
  • 2:45 p.m.
    A generalization of the torus theorem.
    Michael Slack*, University of California at San Diego, La Jolla
    (854-55-127)
• Wednesday January 17, 1990, 1:15 p.m.-4:35 p.m.
  AMS Special Session on Geometric Function Theory in One and Several Complex Variables, I
  

  • 1:15 p.m.
    Loewner theory in Cn.
    John A. Pfaltzgraff*, University of North Carolina, Chapel Hill
    (854-32-104)
  • 1:45 p.m.
    The Schwarz reflection principle in one and several complex variables.
    Steve Bell*, Purdue University, West Lafayette
    (854-32-53)
  • 2:15 p.m.
    Covariant operators and conformal invariants.
    Reuven Harmelin*, Technion-Israel Institute of Technology, Israel
    (854-30-22)
  • 2:45 p.m.
    Existence of separating circles.
    David A. Herron*, University of Cincinnati
    Xiangyang Liu, University of Cincinnati
    David Minda, University of Cincinnati
    (854-30-31)
  • 3:15 p.m.
    Geometry of Poincare domains.
    Alexander Stanoyevitch*, University of Michigan, Ann Arbor
    (854-30-87)
  • 3:45 p.m.
    On the Sendov conjecture for polynomials of degree six.
    Johnny E. Brown*, Purdue University, West Lafayette
    (854-30-79)
  • 4:15 p.m.
    A Schwarzian derivative in several complex variables.
    Carl H. FitzGerald*, University of California at San Diego, La Jolla
    Sheng Gong, University of Science and Technology of China, People's Republic of China
    (854-32-103)
• Wednesday January 17, 1990, 1:15 p.m.-4:05 p.m.
  AMS Special Session on Analytic Number Theory, I
  

  • 1:15 p.m.
    The spectrum of Fermat curves.
    Peter Sarnak*, Stanford University
    (854-11-467)
  • 1:45 p.m.
    Metaplectic forms and number theory.
    Jeffrey Hoffstein*, Brown University
    (854-11-447)
  • 2:15 p.m.
    Irregularities in the distribution of primes.
    John Friedlander*, University of Toronto
    (854-11-588)
  • 2:45 p.m.
    Fractional moments of the zeta-function.
    Steven Gonek*, University of Rochester
    (854-11-468)
  • 3:15 p.m.
    The coefficients of cyclotomic polynomials.
    Helmut Maier*, University of Georgia
    (854-11-455)
  • 3:45 p.m.
    The second central moment of additive functions.
    Jungseob Lee*, Oklahoma State University, Stillwater
    (854-11-231)
• Wednesday January 17, 1990, 1:15 p.m.-3:35 p.m.
  AMS Special Session on Geometric Spectral and Inverse Spectral Problems, I
  

  • 1:15 p.m.
    Estimating small eigenvalues of Riemann surfaces.
    Jozef Dodziuk, Queens College, City University of New York
    Thea Pignataro*, Columbia University
    Burton Randol, Graduate School and University Center, City University of New York
    Dennis Sullivan, Graduate School and University Center, City University of New York
    (854-58-368)
  • 1:45 p.m.
    L^2-index theorems for perturbed Dirac operators.
    Nicolae Anghel*, University of North Texas
    (854-58-112)
  • 2:15 p.m.
    Isospectral families of conformally equivalent Riemannian metrics.
    Robert Brooks, University of Southern California
    Carolyn Gordon*, Washington University
    (854-58-540)
  • 2:45 p.m.
    Geometry and analysis on singular varieties.
    Peter Haskell*, Virginia Polytechnic Institute and State University
    (854-58-185)
  • 3:15 p.m.
    Spectral properties of hyperbolic manifolds.
    Peter D. Hislop*, University of Kentucky
    Richard G. Froese, University of British Columbia
    Peter A. Perry, University of Kentucky
    (854-58-360)
• Wednesday January 17, 1990, 1:15 p.m.-4:05 p.m.
  AMS Special Session on Markov Processes and Stochastic Analysis, I
  

  • 1:15 p.m.
    Weak convergence of solutions of stochastic differential equations.
    Thomas G. Kurtz*, University of Wisconsin, Madison
    Philip Protter, Purdue University, West Lafayette
    (854-60-476)
  • 1:45 p.m.
    Stratonovich stochastic differential equations.
    Jaime San Martin*, Purdue University, West Lafayette
    (854-60-236)
  • 2:15 p.m.
    Solutions of a stochastic differential equation forced onto a manifold by a large drift.
    G. S. Katzenberger*, University of Wisconsin, Madison
    (854-60-410)
  • 2:45 p.m.
    Symmetries and functions of Markov processes.
    Joseph Glover, University of Florida
    Joanna Mitro*, University of Cincinnati
    (854-60-460)
  • 3:15 p.m.
    Conditional limit distributions of critical branching Brownian motions.
    Tzong-Yow Lee*, University of Maryland, College Park
    (854-60-59)
  • 3:45 p.m.
    Expected number of level crossings of random curves.
    Kambiz Farahmand*, University of Cape Town, Republic of South Africa
    (854-60-126)
• Wednesday January 17, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #1: Part B
  Computer based discrete mathematics
  Organizers:
  Nancy Hood Baxter, Dickinson College
  Ed Dubinsky, Purdue University
  Donald Muench, St. John Fisher College
• Wednesday January 17, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #6: Part A
  Coaching a team for the modeling contest
  Organizers:
  B. A. Fusaro, Salisbury State College
• Wednesday January 17, 1990, 1:15 p.m.-5:25 p.m.
  AMS Session on Combinatorics and Lattice Theory
  

  • 1:15 p.m.
    Ramsey theory in non-commutative semigroups.
    Vitaly Bergelson, Ohio State University, Columbus
    Neil Hindman*, Howard University
    (854-05-258)
  • 1:30 p.m.
    Finding face-hugging Euler tours in plane triangulations.
    Jerrold W. Grossman*, Oakland University
    (854-05-267)
  • 1:45 p.m.
    Wide posets with fixed height and cutset number.
    Andr\'e E. K\'ezdy*, University of Illinois, Urbana-Champaign
    Matthew Markert, University of Illinois, Urbana-Champaign
    Douglas B. West, University of Illinois, Urbana-Champaign
    (854-05-307)
  • 2:00 p.m.
    Alternate proof and generalization of a result by Solov'ev.
    Curtis N. Cooper*, Central Missouri State University
    Robert E. Kennedy, Central Missouri State University
    (854-05-313)
  • 2:15 p.m.
    Latin triangles getting bigger.
    Carlos Alves*, Trenton State College
    (854-05-417)
  • 2:30 p.m.
    Designs on vector spaces over finite fields.
    D. K. Ray-Chaudhuri, Ohio State University, Columbus
    Erin J. Schram*, Ohio State University, Columbus
    (854-05-425)
  • 2:45 p.m.
    Extending matchings in planar graphs.
    M. D. Plummer*, Vanderbilt University
    (854-05-430)
  • 3:00 p.m.
    The group of automorphisms of some tensor products.
    John C. George*, University of Illinois, Urbana-Champaign
    (854-05-488)
  • 3:15 p.m.
    A minimization problem on the product of simplices.
    Hosien Moghadam*, University of Wisconsin, Oshkosh
    (854-05-511)
  • 3:30 p.m.
    Graphs critical with respect to independence number and number of connected components.
    Jennifer Zito*, University of Pennsylvania
    (854-05-560)
  • 3:45 p.m.
    Small graphical structures with given automorphism group.
    William C. Arlinghaus*, Lawrence Technological University
    (854-05-509)
  • 4:00 p.m.
    On edge-graceful regular k-partite graphs.
    Sin-Min Lee*, San Jose State University
    E. Seah, University of Manitoba
    (854-05-565)
  • 4:15 p.m.
    More from hyperfinite lattice theory.
    Mai Gehrke*, Vanderbilt University
    Klaus Kaiser, University of Houston, Downtown
    (854-06-162)
  • 4:30 p.m.
    On prime ideals and associated spectrum of BCK-algebras.
    E. Y. Deeba*, University of Houston, Downtown
    J. Ahsan, Quaid-I-Azam University, Pakistan
    A. B. Thaneem, Quaid-I-Azam University, Pakistan
    (854-06-380)
  • 4:45 p.m.
    Universal properties of lattice ordered modules.
    Mona Cherri*, Texas Woman's University
    Wayne B. Powell, Oklahoma State University, Stillwater
    (854-06-517)
  • 5:00 p.m.
    Congruence posets of finitary models.
    Teo Sturm*, University of Natal, Republic of South Africa
    (854-08-533)
  • 5:15 p.m.
    Irrational phrase structure grammars.
    Russell Jay Hendel*, Dowling College
    (854-11-177)
• Wednesday January 17, 1990, 1:15 p.m.-5:10 p.m.
  AMS Session on Number Theory, Rings, and Algebras
  

  • 1:15 p.m.
    An extended Galois correspondence.
    Karin Deck*, University of Oregon
    (854-12-566)
  • 1:30 p.m.
    Factorization in Dedekind domains with finite class group.
    Scott Chapman*, Trinity University
    William W. Smith, University of North Carolina, Chapel Hill
    (854-13-314)
  • 1:45 p.m.
    Betti numbers of multigraded modules.
    Hara Charalambous*, University of Illinois, Urbana-Champaign
    (854-13-498)
  • 2:00 p.m.
    Gorenstein algebras with unimodal $h$-sequences.
    Mark B. Beintema*, University of South Carolina, Columbia
    (854-13-497)
  • 2:15 p.m.
    Isolated elements.
    Alan Loper*, Lawrence University
    Hiroshi Gunji, University of Wisconsin, Madison
    (854-13-525)
  • 2:30 p.m.
    A brief proof of Jacobian hypotheses implies flatness.
    Masayoshi Miyanishi, Osaka University, Japan
    Lorenzo Robbiano, Univeristy of Genova, Italy
    Stuart S.-S. Wang*, Oakland University
    (854-13-602)
  • 2:45 p.m.
    Families of plane algebraic curves.
    Robert Treger*, Pennsylvania State University, Delaware County Campus
    (854-14-64)
  • 3:00 p.m.
    The numerical ranges of operators.
    Shu-an Hu*, University of Connecticut, Storrs
    (854-15-259)
  • 3:15 p.m.
    Geometric properties of distance matrices.
    Wei-Min Liu*, Indiana University-Purdue University, Indianapolis
    (854-15-256)
  • 3:30 p.m.
    Strong nilpotence holds in dimensions less than five only.
    G. H. Meisters, University of Nebraska, Lincoln
    C. Olech*, Polish Academy of Science, Poland
    (854-15-222)
  • 3:45 p.m.
    Matrices positive semidefinite on a subspace.
    Jim Wells*, University of Kentucky
    (854-15-216)
  • 4:00 p.m.
    Identifying identities and idempotents in finite rings by computable means.
    William A. Kiele*, United States Air Force Academy
    (854-16-70)
  • 4:15 p.m.
    Serial rings with Krull dimension: Primes and localization.
    Mary H. Wright*, Southern Illinois University, Carbondale
    (854-16-201)
  • 4:30 p.m.
    The Galois cohomology of dihedral groups.
    Susan Williamson*, Newton Centre, Massachusetts
    (854-16-241)
  • 4:45 p.m.
    Compact rings.
    Jo-Ann Cohen*, North Carolina State University
    K. Koh, North Carolina State University
    (854-16-516)
  • 5:00 p.m.
    The inverse resistivity problem.
    Gilbert Strang*, Massachusetts Institute of Technology
    (854-15-193)
• Wednesday January 17, 1990, 1:15 p.m.-5:25 p.m.
  AMS Session on Number Theory
  

  • 1:15 p.m.
    More on Erdos-Straus conjecture.
    Mohammad H. Ahmadi*, University of Wisconsin, Whitewater
    (854-11-249)
  • 1:30 p.m.
    On the sizes of elements in the complement of a monoid of integers.
    Chung-wu Ho*, Southern Illinois University, Edwardsville
    James L. Parish, Southern Illinois University, Edwardsville
    J.-S. Shiue, University of Nevada, Las Vegas
    (854-11-271)
  • 1:45 p.m.
    A note on B_h(g) sequences.
    Zhigang Sun*, Southern Illinois University, Edwardsville
    (854-11-301)
  • 2:00 p.m.
    Upside-numbers.
    Robert E. Kennedy*, Central Missouri State University
    Curtis N. Cooper, Central Missouri State University
    (854-11-312)
  • 2:15 p.m.
    An identity involving N\"orlund polynomials.
    C. Snyder*, University of Maine, Orono
    (854-11-324)
  • 2:30 p.m.
    On the zeros of a class of Dirichlet series.
    Don Redmond*, Southern Illinois University, Carbondale
    (854-11-347)
  • 2:45 p.m.
    A complex sum related to Newman polynomials.
    Bart Goddard*, University of Nebraska, Lincoln
    (854-11-412)
  • 3:00 p.m.
    Formally idempotent series of integers.
    Rodney T. Hood*, Franklin College
    (854-11-413)
  • 3:15 p.m.
    Decomposition of Pascal's kernels mod p^2.
    Richard P. Kubelka*, San Jose State University
    (854-11-464)
  • 3:30 p.m.
    A sequence well-dispersed on the sphere.
    J. P. Lambert*, University of Alaska, Fairbanks
    R. Tichy, Technical University of Vienna, Austria
    (854-11-484)
  • 3:45 p.m.
    A new lower bound for corresponding residue systems in totally ramified p-adic fields.
    Steven R. Benson*, Saint Olaf College
    (854-11-493)
  • 4:00 p.m.
    Belonging to a group polynomial.
    Joel Brawley*, Clemson University
    David Brown, Clemson University
    (854-11-519)
  • 4:15 p.m.
    Fundamental properties of a recurring series.
    Joseph Arkin, United States Military Academy
    David C. Arney*, United States Military Academy
    Frank R. Giordano, United States Military Academy
    (854-11-574)
  • 4:30 p.m.
    Periodic parity patterns of 3x + 1 conjecture.
    Mohammad Riazi*, Fort Hays State University
    (854-11-607)
  • 4:45 p.m.
    A multinomial identity modulo p and level- l divisors in GF[p,x].
    J. T. B. Beard, Jr.*, Tennessee Technological University
    (854-12-303)
  • 5:00 p.m.
    Constructing quaternionic fields of degree 8.
    Theresa P. Vaughan*, University of North Carolina, Greensboro
    (854-12-438)
  • 5:15 p.m.
    Automorphically isomorphic field extensions.
    James K. Deveney*, Virginia Commonwealth University
    (854-12-499)
• Wednesday January 17, 1990, 1:15 p.m.-4:55 p.m.
  AMS Session on Functional Analysis and Integral Equations
  

  • 1:15 p.m.
    The estimations of solutions in the two-dimensional operator field.
    Djurdjica Takaci*, Institute of Mathematics, Yugoslavia and Virginia Commonwealth University
    (854-44-246)
  • 1:30 p.m.
    Multi-dimensional Hausdorff moment problems.
    James D. Chandler, Jr.*, East Carolina University
    (854-44-273)
  • 1:45 p.m.
    Some results on associated pairs.
    Joyati Debnath*, Winona State University
    (854-44-553)
  • 2:00 p.m.
    Stability of Voltera system with impulse effect.
    S. Sivasundaram*, Embry-Riddle Aeronautical University
    M. Rama Mohana Rao, Indian Institute of Technology, India
    (854-45-68)
  • 2:15 p.m.
    Asymptotic behavior of solutions to a class of time-dependent Volterra equations.
    Sergiu Aizicovici*, Ohio University, Athens
    Stig Olof Londen, Helsinki University of Technology, Finland
    Simeon Reich, University of Southern California
    (854-45-189)
  • 2:30 p.m.
    Regularity of the solution of Hammerstein equations with weakly singular kernel.
    Hideaki Kaneko, Old Dominion University
    Richard Noren*, Old Dominion University
    Yuesheng Xu, Old Dominion University
    (854-45-219)
  • 2:45 p.m.
    Decomposition of the solution of a Fredholm integral equation of the second kind with weakly singular kernel and forcing function.
    Hideaki Kaneko, Old Dominion University
    Richard Noren, Old Dominion University
    Yuesheng Xu*, Old Dominion University
    (854-45-244)
  • 3:00 p.m.
    An inverse boundary problem for the heat equation.
    Wojciech Golik*, University of Missouri, St.\ Louis
    (854-45-547)
  • 3:15 p.m.
    Mackey convergence and sequentially webbed spaces.
    Thomas E. Gilsdorf*, University of Wisconsin, River Falls
    (854-46-217)
  • 3:30 p.m.
    New generalized function of K'(M_p) type.
    Arpad Takaci*, Institute of Mathematics, Yugoslavia and Virginia Commonwealth University
    (854-46-245)
  • 3:45 p.m.
    Radon-Nikodym properties associated with subsets of discrete abelian groups.
    Patrick N. Dowling*, Miami University, Oxford
    (854-46-279)
  • 4:00 p.m.
    Closability of differentiation in the uniform norm.
    Thomas R. Fanney*, Virginia Wesleyan College
    (854-47-332)
  • 4:15 p.m.
    Pairs of separating vectors and reflexivity.
    Lifeng Ding*, University of Georgia
    (854-47-372)
  • 4:30 p.m.
    Approximation and fixed point theorems on cone in ordered Banach spaces.
    Yuh-Ching Chen, Fordham University
    Li Guozhen*, Jianxi Normal University, People's Republic of China
    (854-47-03)
  • 4:45 p.m.
    Invariant operator ranges of strictly cyclic algebras.
    Ben Mathes*, Dalhousie University
    (854-47-615)
• Wednesday January 17, 1990, 1:15 p.m.-4:55 p.m.
  AMS Session on Functional Analysis and Operator Theory
  

  • 1:15 p.m.
    Unconditionally converging and compact operators on c_0.
    Elizabeth M. Bator*, University of North Texas
    (854-46-340)
  • 1:30 p.m.
    Composition of distributions.
    Piotr Antosik*, New Mexico State University, Las Cruces
    (854-46-592)
  • 1:45 p.m.
    A stone approximation theorem for TM-partition spaces.
    Hueytzen J. Wu*, Texas A\thsp\&\thsp I University, Kingsville
    (854-46-596)
  • 2:00 p.m.
    Some recent results on the structure of certain simple C*-algebras.
    Shuang Zhang*, University of Kansas
    (854-46-608)
  • 2:15 p.m.
    Joint maximal spatial numerical range and tensor products.
    Ram Verma*, University of Central Florida
    (854-47-57)
  • 2:30 p.m.
    On the decomposability of multiplication operators and multipliers.
    Michael M. Neumann*, Mississippi State University
    (854-47-315)
  • 2:45 p.m.
    Multiplicity and uniformization maps.
    John Spraker*, Western Kentucky University
    (854-47-373)
  • 3:00 p.m.
    Strongly dense simultaneous similarity orbits of operators.
    Jose Barria*, Santa Clara Univesity
    (854-47-379)
  • 3:15 p.m.
    Hilbert-Schmidt Hankel operators on the Fock space.
    Karel Stroethoff*, University of Montana
    (854-47-482)
  • 3:30 p.m.
    Continuity properties of hyperlat and reducing subspaces.
    A. A. Jafarian*, University of Victoria
    A. R. Sourour, University of Victoria
    (854-47-504)
  • 3:45 p.m.
    Sums of homomorphisms on Banach lattices.
    David C. Carothers*, Hope College
    William A. Feldman, University of Arkansas, Fayetteville
    (854-47-506)
  • 4:00 p.m.
    Closure of invertible operators on a Hilbert space.
    Richard Bouldin*, University of Georgia
    (854-47-531)
  • 4:15 p.m.
    A parametrization of canonically Koszul invertible pairs.
    Ximena Catepillan*, University of Iowa
    (854-47-545)
  • 4:30 p.m.
    On the solvability of functional equations involving m-accretive operators perturbed by compact mappings.
    Claudio Morales*, University of Alabama, Huntsville
    (854-47-572)
  • 4:45 p.m.
    Second order differential inclusions at resonance.
    Dan D. Pascali*, National Science Foundation
    (854-47-604)
• Wednesday January 17, 1990, 1:15 p.m.-5:10 p.m.
  AMS Session on Group Theory and Algebras
  

  • 1:15 p.m.
    Hilbert's Tenth Problem and diophantine definitions.
    Alexandra Shlapentokh*, York College, City University of New York
    (854-11-212)
  • 1:30 p.m.
    Iwasawa theory of elliptic curves with additive reduction.
    John W. Jones*, University of Texas, Austin
    (854-11-206)
  • 1:45 p.m.
    Gradations and structure of Kac-Moody algebras.
    Seok-Jin Kang*, Yale University
    (854-17-183)
  • 2:00 p.m.
    The local Konstant-PBW ordering: Inductive properties.
    Robert W. Deckhart*, Northern Arizona University
    (854-17-283)
  • 2:15 p.m.
    Grassmann extension of a Lie algebra.
    Jerzy Kocik*, Southern Illinois University, Carbondale
    (854-17-381)
  • 2:30 p.m.
    Algebras with a nilpotent derivation.
    David R. Finston*, Virginia Commonwealth University
    (854-17-489)
  • 2:45 p.m.
    Automorphism groups of noncommutative matrix Jordan algebras.
    Robert B. Brown, Ohio State University, Columbus
    Nora C. Hopkins*, Indiana State University
    (854-17-523)
  • 3:00 p.m.
    Crossed modules as G-categories.
    Robert Gordon*, Temple University, Philadelphia
    (854-18-439)
  • 3:15 p.m.
    A characterization of semisimple semigroups.
    Eric E. Lund*, University of Iowa
    (854-20-98)
  • 3:30 p.m.
    The lattice of completely regular monoid varieties.
    Colleen Vachuska*, Marquette University
    (854-20-132)
  • 3:45 p.m.
    Nilsemigroups on trees.
    P. A. Grillet*, Tulane University
    (854-20-250)
  • 4:00 p.m.
    How Hamiltonian can a finite group be?
    Gary J. Sherman*, Rose-Hulman Institute of Technology
    Thomas J. Tucker, Harvard University
    Mark E. Walker, New Mexico State University, Las Cruces
    (854-20-277)
  • 4:15 p.m.
    Torsion-compact groups.
    Temple H. Fay, University of Southern Mississippi
    Gary L. Walls*, University of Southern Mississi
    (854-20-278)
  • 4:30 p.m.
    C-groups.
    George Yeh*, State University of New York, Binghamton
    (854-20-309)
  • 4:45 p.m.
    A closure operation for Lockert classes.
    Benjamin Brewster*, State University of New York, Binghamton
    (854-20-310)
  • 5:00 p.m.
    Inner plethysm in the representation ring of some classical groups.
    Essam Abotteen*, Emporia State University
    (854-20-318)
• Wednesday January 17, 1990, 1:15 p.m.-2:10 p.m.
  MAA Session on Prognostic and Diagnostic Testing: Helping High School Students get ready for College-Level Mathematics, Part A
  

  • 1:15 p.m.
    Improving collegiate mathematics preparation with mathematics placement testing.
    Franklin Demana*, Ohio State University, Columbus
  • 1:30 p.m.
    Marketing an early placement testing program.
    John O. Kiltinen*, The Seaborg Center, Northern Michigan University
  • 1:45 p.m.
    Developing a junior mathematics prognosis project in a primarily rural state.
    Frank Gilfeather, University of New Mexico
    Nancy Gonzales*, University of New Mexico
  • 2:00 p.m.
    Diagnostic potential for junior testing project.
    Ronald H. Wenger*, University of Delaware
• Wednesday January 17, 1990, 1:15 p.m.-5:00 p.m.
  MAA Poster Session
  Calculus revision
• Wednesday January 17, 1990, 2:20 p.m.-3:10 p.m.
  MAA Invited Address
  New developments in solving the second part of Hilbert's Fifth problem.
  J\'anos D. Acz\'el*, University of Waterloo
• Wednesday January 17, 1990, 2:20 p.m.-3:35 p.m.
  AWM Panel Discussion
  Affirmative action
• Wednesday January 17, 1990, 3:25 p.m.-4:30 p.m.
  AMS-MAA Invited Address
  Mathematics: Keystone of modern science and technology.
  D. Allan Bromley*, Office of Science and Technology Policy, Washington, DC
• Wednesday January 17, 1990, 3:30 p.m.-5:30 p.m.
  MAA Minicourse #7: Part A
  Derive workshop
  Organizers:
  Wade Ellis, Jr., West Valley College
• Wednesday January 17, 1990, 3:30 p.m.-5:30 p.m.
  MAA Minicourse #8: Part A
  Using history in teaching calculus
  Organizers:
  V. Frederick Rickey, Bowling Green State University and the United States Military Academy
• Wednesday January 17, 1990, 3:35 p.m.-3:50 p.m.
  AWM Business Meeting
• Wednesday January 17, 1990, 6:15 p.m.-7:15 p.m.
  AMS-MAA Invited Address
  Revitaliziang mathematics education: A national imperative.
  James D. Watkins*, Secretary of Energy, Washington, DC
• Wednesday January 17, 1990, 7:30 p.m.-8:30 p.m.
  AMS Josiah Willard Gibbs Lecture
  The wide wide world of pure mathematics that goes by other names.
  George B. Dantzig*, Stanford University

• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on the Schr\"odinger Equation, II
  

  • 7:00 a.m.
    Localization for random Schrodinger operators with strongly correlated potentials.
    Henrique von Dreifus, Princeton University
    Abel Klein*, University of California, Irvine
    (854-81-116)
  • 7:30 a.m.
    Time dependent treatment of radiation conditions in quantum scattering.
    Ira Herbst*, National Science Foundation
    Erik Skibsted, Aarhus University, Denmark
    (854-81-188)
  • 8:00 a.m.
    Eigenfunction expansions for the Laplacian on a hyperbolic manifold with cusps.
    R. Froese*, University of British Columbia
    P. Hislop, University of Kentucky
    P. Perry, University of Kentucky
    (854-58-155)
  • 8:30 a.m.
    Equivalence of subcritical properties for the Schrodinger operator.
    Z. Zhao*, University of Missouri, Columbia
    (854-60-264)
  • 9:00 a.m.
    Extremals of functionals with competing symmetries.
    Eric Carlen, Princeton University
    Michael Loss*, Georgia Institute of Technology
    (854-81-200)
  • 9:30 a.m.
    Upper bounds on the fundamental gap of some elliptic operators.
    Evans M. Harrell, II*, Georgia Institute of Technology
    Edward Green, Georgia Institute of Technology
    Michael Loss, Georgia Institute of Technology
    (854-81-169)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Multivariable Operator Theory, II
  

  • 7:00 a.m.
    The indices of Wiener-Hopf operators and the K-groups of Toeplitz algebras of Reinhardt domains.
    Albert Jeu-Liang Sheu*, University of Kansas
    (854-46-46)
  • 7:30 a.m.
    Bishop's property (beta) and functional models.
    Ernst Albrecht*, Universit\"at des Saarlandes, Federal Republic of Germany
    (854-47-356)
  • 8:00 a.m.
    Spectral pictures of Reinhardt measures.
    Keren Yan*, Indiana University-Purdue University, Indianapolis
    (854-47-351)
  • 8:30 a.m.
    Quotients of the Hardy Hilbert modules.
    Ronald G. Douglas*, State University of New York, Stony Brook
    (854-47-93)
  • 9:00 a.m.
    Generalized rational hulls.
    Gustavo Corach*, Instituto Argentino de Matem\'atica, Argentina
    (854-46-349)
  • 9:30 a.m.
    Composition operators on H2(B).
    Warren R. Wogen*, University of North Carolina, Chapel Hill
    (854-47-184)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Functional Equations and their Applications, I
  

  • 7:00 a.m.
    On the multidimensional translation equation and related functional equations.
    Janos D. Acz\'el*, University of Waterloo
    Lothar Berg, University of Rostock, German Democratic Republic
    (854-39-110)
  • 7:30 a.m.
    Functional equations and distributions.
    John A. Baker*, University of Waterloo
    (854-39-198)
  • 8:00 a.m.
    Small solutions of f(x+f(y)) = f(x+y).
    T. M. K. Davison*, McMaster University
    (854-39-232)
  • 8:30 a.m.
    The Binet-Cauchy functional equation and nonsingular multi-indexed matrices.
    Konrad J. Heuvers*, Michigan Technological University
    Daniel S. Moak, Michigan Technological University
    (854-39-20)
  • 9:00 a.m.
    Belousov equations on binary and ternary quasigroups.
    A. Krapez, Mathematical Institute, Yugoslavia
    M. A. Taylor*, Acadia University
    (854-39-190)
  • 9:30 a.m.
    A class of discontinuous associative functions.
    Gerianne M. Krause*, San Francisco State University
    (854-39-555)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Geometric Function Theory in One and Several Complex Variables, II
  

  • 7:00 a.m.
    Univalent functions which map onto regions of given transfinite diameter.
    P. L. Duren*, University of Michigan, Ann Arbor
    M. M. Schiffer, Stanford University
    (854-30-186)
  • 7:25 a.m.
    An extreme absolutely continuous RP-measure.
    John N. McDonald*, Arizona State University
    (854-30-60)
  • 7:50 a.m.
    Inclusion relations between classes of functions defined by subordination.
    M. Jahangiri, University of California, Davis
    H. Silverman, College of Charleston
    E. M. Silvia*, University of California, Davis
    (854-30-118)
  • 8:15 a.m.
    Convex mappings from the unit ball in Cn into Cn.
    Carolyn R. Thomas*, University of California at San Diego, La Jolla
    Carl FitzGerald, University of California at San Diego, La Jolla
    (854-32-117)
  • 8:40 a.m.
    Line bundle convexity of pseudoconvex domains in complex manifolds.
    Karen R. Pinney*, University of Kentucky
    (854-32-102)
  • 9:05 a.m.
    On a problem of A. Hurwitz.
    Carlos A. Berenstein*, University of Maryland, College Park
    Ahmed Sebbar, University of Bordeaux, France
    (854-30-88)
  • 9:30 a.m.
    Linear fractional transformations of circular domains in operator spaces.
    Lawrence A. Harris*, University of Kentucky
    (854-46-134)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Mathematics and Education Reform, I
  

  • 7:00 a.m.
    A mathematician's odyssey: From semigroups to support groups - developing leadership for improving mathematics instruction in the schools.
    Julian Weissglass*, University of California, Santa Barbara
    (854-96-136)
  • 7:25 a.m.
    The role of teachers in mathematics education reform.
    Joseph Rosenstein*, Rutgers University, New Brunswick
    (854-97-141)
  • 7:50 a.m.
    Creative involvement of the very young.
    Arnold Ross*, Ohio State University, Columbus
    (854-97-140)
  • 8:15 a.m.
    Programs for mathematically talented city elementary and high school students.
    Paul J. Sally, Jr.*, University of Chicago
    (854-97-542)
  • 8:40 a.m.
    Teaching via problem-solving in a semi-directed format.
    Bert Fristedt*, University of Minnesota, Minneapolis
    (854-98-143)
  • 9:05 a.m.
    Can we maintain our research programs and still do something useful for school mathematics?
    C. Herbert Clemens*, University of Utah
    (854-98-145)
  • 9:30 a.m.
    The role of mathematicians in state coalitions.
    Harvey B. Keynes*, University of Minnesota, Minneapolis
    (854-98-142)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Semigroup Theory, II
  

  • 7:00 a.m.
    Normal semigroups of one-to-one transformations.
    Inessa Levi*, University of Louisville
    W. Wiley Williams, University of Louisville
    (854-20-358)
  • 7:30 a.m.
    One relator inverse monoids and rational subsets of one relator groups.
    J. B. Stephen*, Northern Illinois University
    (854-20-462)
  • 8:00 a.m.
    Immersions of graphs and free inverse categories.
    Stuart W. Margolis*, University of Nebraska, Lincoln
    John C. Meakin, University of Nebraska, Lincoln
    (854-20-474)
  • 8:30 a.m.
    Free products of inverse semigroups.
    Peter R. Jones*, Marquette University
    (854-20-483)
  • 9:00 a.m.
    On congruences and congruence lattices of G_X-normal semigroups.
    Inessa Levi, University of Louisville
    Steven Seif*, University of Louisville
    (854-20-603)
  • 9:30 a.m.
    The P(G)= BG conjecture.
    John Rhodes*, University of California, Berkeley
    (854-99-611)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Function Theoretic Methods in Differential Equations, II
  

  • 7:00 a.m.
    Remarks on certain closed-form Bergman kernels for second-order partial differential equations in two complex variables.
    Erwin O. Kreyszig*, Carleton University
    (854-35-81)
  • 8:00 a.m.
    Characterizing solutions to a class of elliptic PDE's.
    Peter A. McCoy*, United States Naval Academy
    (854-35-235)
  • 8:30 a.m.
    On the finite continuous Jacobi transform and the solutions of the generalized biaxially symmetric Schr\"odinger equations.
    Ahmed I. Zayed*, California Polytechnic State University
    (854-35-287)
  • 9:00 a.m.
    Predictability in the absence of chaos.
    John W. Neuberger*, University of North Texas
    (854-26-80)
  • 9:30 a.m.
    Dimensionality of invariant sets for nonautonomous processes.
    Tepper L. Gill, Howard University
    W. W. Zachary*, Howard University
    (854-35-92)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Geometric Spectral and Inverse Spectral Problems, II
  

  • 7:00 a.m.
    Dimensions of spaces of cusp forms on GL(n).
    Jonathan Huntley*, Bernard M. Baruch College, City University of New York
    (854-35-125)
  • 7:30 a.m.
    The spectral geometry of flat disks.
    Robert Brooks*, University of California, Los Angeles
    Yacov Eliashberg, Stanford University
    Curt McMullen, Princeton University
    (854-58-15)
  • 8:00 a.m.
    The parabolic $\lambda$--potential alternative.
    Isaac Chavel, City College, City University of New York
    Leon Karp*, Herbert H. Lehman College, City University of New York
    (854-35-475)
  • 8:30 a.m.
    Determinants of Laplacians on Riemannian surfaces.
    Hala Halim Khuri*, University of California, Santa Cruz
    (854-58-192)
  • 9:00 a.m.
    The Riemann-zeta function and the Weyl-Berry conjecture for fractal drums.
    Michel L. Lapidus*, University of Georgia
    Carl Pomerance, University of Georgia
    (854-35-86)
  • 9:30 a.m.
    Spectral theory for Dirac operators on manifolds with corners and Eta-invariants.
    Werner M\"uller*, Institute for Advanced Study
    (854-58-571)
• Thursday January 18, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Topological Groups and Measure Theory
  

  • 7:00 a.m.
    Zeros of primary summand functions on compact solvmanifolds.
    Carolyn B. Pfeffer*, Louisiana State University, Baton Rouge
    (854-22-69)
  • 7:15 a.m.
    The structure of the space of coadjoint orbits of an exponential lie group.
    Bradley Currey*, Saint Louis University
    (854-22-111)
  • 7:30 a.m.
    Resolution of the multiplicity problem for GL(N,C) using shift operators.
    Randall Gordon Wills*, University of Iowa
    (854-22-432)
  • 7:45 a.m.
    Semitopological groups.
    Ellen L. Clay*, University of Southwestern Louisiana
    (854-22-449)
  • 8:00 a.m.
    A sufficient condition for the equality of Hausdorff and fractal dimension for a class of self-affine fractal sets.
    Steve Gilbert, West Georgia College
    Peter R. Massopust*, West Georgia College
    (854-26-242)
  • 8:15 a.m.
    Generalized mixed partial derivatives.
    J. Marshall Ash*, DePaul University
    Jonathan Cohen, DePaul University
    C. Freiling, University of California, Santa Barbara
    D. Rinne, University of California, Santa Barbara
    (854-26-585)
  • 8:30 a.m.
    Representation of functionals as generalized integrals.
    P. C. Deliyannis*, Illinois Institute of Technology
    (854-28-334)
  • 8:45 a.m.
    Nonconstant dimensions based on Henstock integration.
    Steve Gibert*, West Georgia College
    (854-28-339)
  • 9:00 a.m.
    Duality theory for cardinal algebras.
    R. M. Shortt*, Wesleyan University
    (854-28-389)
  • 9:15 a.m.
    Two coefficients of counting functions of Hayman's inequality both equal to one.
    Cai Jian*, Xiamen University, People's Republic of China
    (854-30-04)
  • 9:30 a.m.
    Pluriharmonic maps on the unit ball of C^n.
    Abdul Hadi, Kuwait University, Kuwait
    Yu Abu-Muhanna*, Kuwait University, Kuwait
    M. Marzuq, Kuwait University, Kuwait
    (854-30-44)
  • 9:45 a.m.
    Primitive elements in finite fields and Costas arrays.
    Stephen D. Cohen, University of Glasgow, Scotland
    Gary L. Mullen*, Pennsylvania State University, University Park
    (854-12-257)
• Thursday January 18, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Topological and Lie Groups
  

  • 7:00 a.m.
    Orbits in internal Chevalley modules.
    Gerhard Roehrle*, University of Oregon
    (854-20-336)
  • 7:15 a.m.
    On a general structure of representations of group extensions.
    Christopher Cotter, University of Northern Colorado
    Igor Szczyrba*, University of Northern Colorado
    (854-20-365)
  • 7:30 a.m.
    On the isomorphism problem for two-generator one-relator groups.
    Todd Haynes, Vanderbilt University
    John Ratcliffe*, Vanderbilt University
    (854-20-414)
  • 7:45 a.m.
    The trace functions as an extension of group character theory.
    Kenneth W. Johnson*, Iowa State University
    (854-20-478)
  • 8:00 a.m.
    On classifying free Bieberbach groups.
    Raymond F. Tennant*, Canisius College
    (854-20-442)
  • 8:15 a.m.
    On the group of units of matrix ring over finite local ring.
    Chul Kim*, North Carolina State University
    (854-20-437)
  • 8:30 a.m.
    On dual-standard subgroups.
    Giovanni Zacher*, Miami University
    (854-20-529)
  • 8:45 a.m.
    Non-normal projectivities of metacyclic p-groups.
    Charles Holmes*, Miami University
    (854-20-530)
  • 9:00 a.m.
    P_G - subgroups and X - system normalizers.
    Mark C. Hofmann*, Skidmore College
    (854-20-534)
  • 9:15 a.m.
    The semigroup of binary relations is sandwich regular.
    Robert L. Brandon*, Eastern Oregon State College
    Darel W. Hardy, Colorado State University
    (854-20-582)
  • 9:30 a.m.
    On the lower near Frattini subgroups of generalized free products with countable or nilpotent generalized free factors.
    Mohammad K. Azarian*, University of Evansville
    (854-20-55)
  • 9:45 a.m.
    A new species of local motion.
    Ray Killgrove*, California State University, Los Angeles
    Carl Gordon, California State University, Los Angeles
    (854-51-536)
• Thursday January 18, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Ordinary Differential Equations
  

  • 7:00 a.m.
    Eigenvalues of generalized Gelfand models.
    A. M. Fink, Iowa State University
    J. A. Gatica, University of Iowa
    Gaston E. Hern\'andez*, University of Connecticut, Storrs
    (854-34-175)
  • 7:15 a.m.
    Antiperiodic boundary conditions for first order differential equations with accretive right hand side.
    Abdolreza Aftabizadeh, Ohio University, Athens
    Nicolae Pavel*, Ohio University, Athens
    (854-34-179)
  • 7:30 a.m.
    An example of nonlinear toxic mass spreading.
    W. L. Perry*, Texas A\thsp\&\thsp M University, College Station
    S. S. P. Shen, Texas A\thsp\&\thsp M University, College Station
    (854-34-221)
  • 7:45 a.m.
    Continuous spectrum eigenfunction expansions for ordinary and partial differential operators.
    Robert M. Kauffman*, University of Alabama, Birmingham
    (854-34-248)
  • 8:00 a.m.
    Characteristic multipliers of periodic solutions of singularly perturbed delay equations.
    Jiang-ping Fan*, Brown University
    John Mallet-Paret, Brown University
    (854-34-266)
  • 8:15 a.m.
    Disfocality criteria for linear difference equations.
    Timothy Peil*, University of Nebraska, Lincoln
    Allan Peterson, University of Nebraska, Lincoln
    (854-34-305)
  • 8:30 a.m.
    Sampling expansions associated with ordinary differential equations.
    Nasser Dastrange*, Buena Vista College
    (854-34-326)
  • 8:45 a.m.
    A two point connection problem for a certain nth order ordinary homogeneous differential equation.
    T. K. Puttaswamy*, Ball State University
    (854-34-345)
  • 9:00 a.m.
    Asymptotic behavior of a competing species model with time-varying coefficients.
    V. W. Noonburg*, University of Hartford
    (854-34-388)
  • 9:15 a.m.
    On lower bounds of eigenvalues for fourth order boundary value problem with a singularity.
    Hyun J. Ahn*, Loyola Marymount University
    (854-34-450)
  • 9:30 a.m.
    Stability analysis of systems of stochastic differential equations.
    G. S. Ladde*, University of Texas, Arlington
    (854-34-495)
  • 9:45 a.m.
    Essential extensions of finite-dimensional simple sl(2,C) modules.
    Randall P. Dahlberg*, Seton Hall University
    (854-16-331)
• Thursday January 18, 1990, 7:00 a.m.-8:55 a.m.
  AMS Session on Partial Differential Equations, I
  

  • 7:00 a.m.
    Shaking a forced string to rest.
    Nezam Iraniparast*, Western Kentucky University
    (854-35-311)
  • 7:15 a.m.
    Radiatively induced temperature increases in N layer spherical structure whose layers are thermally anisotropic and electromagnetically bianisotropic.
    D. K. Cohoon*, Damaskos Incorporated, Concordville, Pennsylvania
    R. M. Purcell, Damaskos Incorporated, Concordville, Pennsylvania
    (854-35-306)
  • 7:30 a.m.
    Some approximation theorems for linear and nonlinear first-order equations governed by linear C_0-semigroups.
    Seth F. Oppenheimer*, Mississippi State University
    (854-35-317)
  • 7:45 a.m.
    Partial differential equations with piecewise constant delays.
    Joseph Wiener*, University of Texas - Pan American University
    (854-35-319)
  • 8:00 a.m.
    Existence of solutions for singular parabolic quenching problems.
    C. Y. Chan, University of Southwestern Louisiana
    Benedict M. Wong*, University of Southwestern Louisiana
    (854-35-391)
  • 8:15 a.m.
    Quenching for parabolic mixed boundary-value problems.
    C. Y. Chan, University of Southwestern Louisiana
    Shannon S. Cobb*, University of Southwestern Louisiana
    (854-35-392)
  • 8:30 a.m.
    Unstability of non-negative solutions for a class of semi-positone problems.
    K. J. Brown, Heriot-Watt University, Scotland
    R. Shivaji*, Mississippi State University
    (854-35-393)
  • 8:45 a.m.
    Approximation of differentiable functions by C^infinity functions.
    William Margulies*, California State University, Long Beach
    (854-35-396)
• Thursday January 18, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Special Functions and Several Complex Variables
  

  • 7:00 a.m.
    Ring isomorphisms between algebras of analytic functions.
    N. R. Nandakumar*, Delaware State College
    (854-32-194)
  • 7:15 a.m.
    Holomorphic extension of proper meromorphic mappings.
    Stephen A. Chiappari*, University of Illinois, Urbana-Champaign
    (854-32-284)
  • 7:30 a.m.
    Generators and relations for some cyclic quotient singularities in C^3.
    Mary B. Eron*, Bates College
    (854-32-512)
  • 7:45 a.m.
    Embedding analytic big-manifolds in uniform algebra spectra.
    Toma V. Tonev*, University of Toledo
    (854-32-527)
  • 8:00 a.m.
    Bounds for largest and smallest zeros of orthogonal polynomials.
    Mourad E. H. Ismail*, University of South Florida
    (854-33-83)
  • 8:15 a.m.
    Zeros of orthogonal polynomials and Mellin transforms.
    George T. Gilbert*, Saint Olaf College
    (854-33-160)
  • 8:30 a.m.
    Generalized Chebyshev polynomials.
    H. B. Coonce, Mankato State University
    R. A. Strachan, Mankato State University
    Mary Wiest*, Mankato State University
    (854-33-247)
  • 8:45 a.m.
    Asymptotics of Racah coefficients and polynomials.
    Li-Chen Chen*, Beloit College
    Mourad E. H. Ismail, University of South Florida
    (854-33-404)
  • 9:00 a.m.
    Contiguous relations, continued fractions, and orthogonal polynomials II.
    Carl Libis*, Arizona State University
    (854-33-514)
  • 9:15 a.m.
    Polya Turan inequalities for Jensen polynomials.
    Carl Prather*, Virginia Polytechnic Institute and State University
    (854-33-554)
  • 9:30 a.m.
    On an approximation of the Legendre's polynomial P_n (x) via difference equation for sufficiently large n.
    S. Verma*, University of Nevada, Las Vegas
    (854-33-578)
  • 9:45 a.m.
    Continuous dependence of non-monotonic discontinuous differential equations.
    Daniel C. Biles*, Western Kentucky University
    (854-34-151)
• Thursday January 18, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Functions of a Complex Variable
  

  • 7:00 a.m.
    On uniformly starlike functions.
    A. W. Goodman*, University of South Florida
    (854-30-130)
  • 7:15 a.m.
    Some results on univalent functions with quasiconformal extensions.
    Paul Jeffry Deiermann*, Shreveport, Louisiana
    (854-30-153)
  • 7:30 a.m.
    The L^p Phragmen-Lindeloef theorem.
    Ruben N. Mera*, University of Puerto Rico, Humacao College
    (854-30-220)
  • 7:45 a.m.
    Harmonic mappings and applications to minimal surfaces.
    Sook Heui Jun*, Indiana University, Bloomington
    (854-30-333)
  • 8:00 a.m.
    Univalent functions with range of prescribed transfinite diameter.
    Robin Cunningham*, University of Michigan, Ann Arbor
    (854-30-383)
  • 8:15 a.m.
    A note on neighborhoods of analytic functions having positive real part.
    Janice B. Walker*, Xavier University
    (854-30-416)
  • 8:30 a.m.
    Extension domain.
    Ghamsari Manouchehr*, University of Michigan, Ann Arbor
    (854-30-452)
  • 8:45 a.m.
    The generalized Riemann integral and its applications to various generalizations of the Cauchy-Goursat theorem.
    Rao V. Nagisetty*, University of Toledo
    (854-30-454)
  • 9:00 a.m.
    The Poincare inequality: A necessary and sufficient condition.
    Valentin V. Andreev*, University of Michigan, Ann Arbor
    (854-30-469)
  • 9:15 a.m.
    Some results concerning spiral-likeness of a class of analytic functions.
    O. P. Ahuja*, University of California, Davis
    (854-30-505)
  • 9:30 a.m.
    Cyclic vectors for invariant subspaces in some classes of analytic functions.
    A. Matheson*, Lamar University
    (854-30-586)
  • 9:45 a.m.
    Boundary behavior of solutions of the Helmholtz equation.
    Robert Berman, Wayne State University
    David Singman*, George Mason University
    (854-31-394)
• Thursday January 18, 1990, 7:00 a.m.-9:50 a.m.
  MAA Session on Discrete Mathematics: Has the Bubble Burst?, Part B
  

  • 7:00 a.m.
    The function concept - a unifying thread.
    Ralph P. Grimaldi*, Rose-Hulman Institute of Technology
  • 7:25 a.m.
    Integrating discrete dynamical systems into freshman calculus.
    James T. Sandefur*, Georgetown University
  • 7:50 a.m.
    The ISETL approach to teaching and learning discrete mathematics.
    Nancy Baxter*, Dickinson College
  • 8:15 a.m.
    The theoretical basis for using ISETL in discrete mathematics.
    Ed Dubinsky*, Purdue University, West Lafayette
  • 8:40 a.m.
    Discrete mathematics: A mathematics course or a computer science course?
    William A. Marion*, Valparaiso University
  • 9:05 a.m.
    Integrating discrete mathematics in the secondary curriculum.
    Marjorie Enneking*, Portland State University
  • 9:30 a.m.
    It's time to modernize our discrete math courses.
    William F. Lucas*, Claremont Graduate School
• Thursday January 18, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #2: Part B
  Finite-Pak - software for linear programming
  Organizers:
  Marvin L. Bittinger, Indiana University - Purdue University, Indianapolis
  J. Conrad Crown, Indiana University - Purdue University, Indianapolis
• Thursday January 18, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #3: Part B
  Random mappings
  Organizers:
  Bernard Harris, University of Wisconsin, Madison
• Thursday January 18, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #4: Part B
  Lagrange first year calculus
  Organizers:
  Francesca Schremmer, West Chester University
  Alain Schremmer, Community College of Philadelphia
• Thursday January 18, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #5: Part B
  Teaching mathematical modeling
  Organizers:
  Frank R. Giordano, United States Military Academy
  Maurice D. Weir, Naval Postgraduate School
• Thursday January 18, 1990, 7:30 a.m.-9:55 a.m.
  MAA Session on Prognostic and Diagnostic Testing: Helping High School Students get ready for College-Level Mathematics, Part B
  

  • 7:30 a.m.
    Starting a mathematics readiness program in Arizona.
    Joan H. McCarter*, Arizona State University
  • 7:45 a.m.
    Interesting results of placement levels of high school juniors from the College Mathematics Readiness Testing Program in Arizona.
    John Payne*, Northern Arizona University
  • 8:00 a.m.
    Mathematics advice for juniors interested in college.
    William F. Burger*, Oregon State University
  • 8:15 a.m.
    Testing, technology and graphs - future considerations.
    Alan Osborne*, Ohio State University, Columbus
  • 8:30 a.m.
    Mathematics prognostic testing - approaches and issues.
    John V. Long*, University of Rhode Island
  • 8:45 a.m.
    EMPE: Birth of a new prognostic testing program.
    Sharon Cutler Ross*, DeKalb College
  • 9:00 a.m.
    Nebraska's JUMP program.
    Donald W. Miller*, University of Nebraska, Lincoln
  • 9:15 a.m.
    The Zero Math Deficiency (ZMD) project at UW-O.
    C. Patrick Collier*, University of Wisconsin, Oshkosh
  • 9:30 a.m.
    High school - college articulation: The California experience.
    Philip C. Curtis, Jr.*, University of California, Los Angeles
  • 9:45 a.m.
    Development of a predictive model for success in freshman calculus.
    Richard J. Cleary*, Saint Michael's College and Cornell University
• Thursday January 18, 1990, 8:00 a.m.-8:50 a.m.
  AWM Emmy Noether Lecture
  The invasion of geometry into finite group theory.
  Bhama Srinivasan*, University of Illinois, Chicago
• Thursday January 18, 1990, 9:05 a.m.-9:55 a.m.
  MAA Invited Address
  On the (sometimes) strange behavior of large random things.
  Peter Winkler*, Emory University and Bellcore, Morristown, New Jersey
• Thursday January 18, 1990, 10:10 a.m.-11:00 a.m.
  AMS-MAA Invited Address
  Title to be announced.
  Nolan R. Wallach*, Rutgers University, New Brunswick
• Thursday January 18, 1990, 11:00 a.m.-12:00 p.m.
  National Science Foundation
• Thursday January 18, 1990, 12:00 p.m.-1:00 p.m.
  AMS Colloquium Lectures: Lecture II
  Some thoughts on the interaction between group theory and physics.
  Shlomo Sternberg*, Harvard University
• Thursday January 18, 1990, 1:15 p.m.-2:05 p.m.
  AMS Invited Address
  Linear operators, matrix functions and control.
  Israel C. Gohberg*, Tel Aviv University, Israel
  (854-47-66)
• Thursday January 18, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #1: Part C
  Computer based discrete mathematics
  Organizers:
  Nancy Hood Baxter, Dickinson College
  Ed Dubinsky, Purdue University
  Donald Muench, St. John Fisher College
• Thursday January 18, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #6: Part B
  Coaching a team for the modeling contest
  Organizers:
  B. A. Fusaro, Salisbury State College
• Thursday January 18, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #8: Part B
  Using history in teaching calculus
  Organizers:
  V. Frederick Rickey, Bowling Green State University and the United States Military Academy
• Thursday January 18, 1990, 1:15 p.m.-3:15 p.m.
  MAA Minicourse #9: Part A
  How to use inexpensive graphing calculators to enhance the teaching and learning of precalculus mathematics and calculus
  Organizers:
  Bert K. Waits, Ohio State University
  Franklin Demana, Ohio State University
• Thursday January 18, 1990, 1:15 p.m.-3:10 p.m.
  AMS Session on Partial Differential Equations, II
  

  • 1:15 p.m.
    Positive solutions and bifurcation of nonlinear elliptic equations involving super-critical Sobolev exponents.
    Yu Qingyu*, Lanzhou University, People's Republic of China and Memphis State University
    Ma Tian, Lanzhou University, People's Republic of China
    (854-35-418)
  • 1:30 p.m.
    Qualitative studies of a convective porous medium equation with a nonlinear forcing at the boundary, I.
    Jeffrey R. Anderson*, Ball State University
    (854-35-424)
  • 1:45 p.m.
    Symmetry breaking in semilinear elliptic equations and nonspherical standing waves for nonlinear wave equations.
    Henry A. Warchall*, University of North Texas
    (854-35-428)
  • 2:00 p.m.
    Solution of a Riemann-Hilbert problem by using a Fredholm integral equation.
    T. Aktosun*, University of Texas, Dallas
    C. van der Mee, University of Delaware
    (854-35-500)
  • 2:15 p.m.
    Scattering and the Stark effect with almost periodic potentials.
    Denis A. W. White*, University of Toledo
    (854-35-521)
  • 2:30 p.m.
    Semi-group linearization for nonlinear parabolic equations.
    James F. Epperson*, University of Alabama, Huntsville
    (854-35-573)
  • 2:45 p.m.
    Uniqueness property of wave equations.
    Kanghui Guo*, Southwest Missouri State University
    (854-35-589)
  • 3:00 p.m.
    Fixed points of asymptotically linear maps and applications to PDEs.
    Shouchuan Hu*, Southwest Missouri State University
    (854-35-593)
• Thursday January 18, 1990, 1:15 p.m.-3:10 p.m.
  AMS Session on Probability Theory and Ordinary Differential Equations
  

  • 1:15 p.m.
    A Kac-Feynman integral equation for conditional Wiener integrals.
    Chull Park, Miami University, Oxford
    David Skoug*, University of Nebraska, Lincoln
    (854-60-208)
  • 1:30 p.m.
    Setting the stage for a more general Prokhorov-LeCam theorem: C_b (X)^* for a general class of topological spaces X.
    John M. Morrison*, University of Delaware
    (854-60-209)
  • 1:45 p.m.
    Strong consistency in regression.
    B. B. Bhattacharyya, North Carolina State University
    G. D. Richardson*, University of Central Florida
    (854-62-419)
  • 2:00 p.m.
    Optimal control of linear time-varying systems with quadratic cost functional via shifted Chebyshev polynomials.
    Mohsen Razzaghi*, Mississippi State University
    (854-93-316)
  • 2:15 p.m.
    Differential stability in non-Lipschitzian optimization.
    Doug Ward*, Miami University, Oxford
    (854-90-58)
  • 2:30 p.m.
    Approximation by Lie groups and equal uniformities in LC groups.
    Gerald Itzkowitz*, Queens College, City University of New York
    Sheldon Rothman, Long Island University, C. W. Post Center
    Helen Strassberg, York College, City University of New York
    Ta-Sun Wu, Case Western Reserve University
    (854-22-337)
  • 2:45 p.m.
    Boundary value problems for multisolute flow in a nephron of the kidney.
    J. B. Garner*, Mississippi State University
    (854-34-330)
  • 3:00 p.m.
    On solutions of some singular, non-linear differential equations arising in boundary layer theory.
    K. Vajravelu*, University of Central Florida
    E. Soewono, University of Central Florida
    R. N. Mohapatra, University of Central Florida
    (854-34-420)
• Thursday January 18, 1990, 1:15 p.m.-3:10 p.m.
  AMS Session on Functional Analysis
  

  • 1:15 p.m.
    Mean oscillation and Besov spaces on the Heisenberg group.
    Mark Feldman*, Southern Illinois University, Edwardsville
    (854-46-443)
  • 1:30 p.m.
    A Wold decomposition for endomorphisms of $B(\cal H)$.
    Marcelo E. Laca*, University of Calgary
    (854-46-485)
  • 1:45 p.m.
    Some examples related to the atomic space problem.
    Margaret L. Reese*, St. Olaf College
    (854-46-487)
  • 2:00 p.m.
    Type and cotype in Musielak-Orlicz spaces.
    A. Kami\'nska, Memphis State University and A. Mickiewicz University, Poland
    B. Turett*, Oakland University
    (854-46-492)
  • 2:15 p.m.
    A new fixed point property for L_1.
    Christopher J. Lennard*, University of Pittsburgh, Pittsburgh
    (854-46-559)
  • 2:30 p.m.
    Amenable semigroup algebras.
    John Duncan*, University of Arkansas, Fayetteville
    Alan Paterson, University of Mississippi
    (854-46-577)
  • 2:45 p.m.
    On subsets of a Hilbert space that have finite Hausdorff's or fractal dimension.
    Victor Shubov*, Texas Tech University
    (854-46-82)
  • 3:00 p.m.
    A topological approach to a problem in geometric function theory.
    Massoud Jahangiri*, University of California, Davis
    (854-46-99)
• Thursday January 18, 1990, 1:15 p.m.-3:10 p.m.
  AMS Session on Functional Equations and Expansions
  

  • 1:15 p.m.
    Existence of bounded solutions of discrete dynamical systems.
    Mohammad H. Moadab*, Odessa College
    Hushang Poorkarimi, Pan American University
    (854-39-157)
  • 1:30 p.m.
    The integrated Cauchy functional equation on semigroups and its applications.
    Ka-Sing Lau, University of Pittsburgh, Pittsburgh
    Wei-Bin Zeng*, University of Louisville
    (854-39-297)
  • 1:45 p.m.
    Approximately mulitplicative functions.
    Dwayne Dicks*, University of Waterloo
    (854-39-302)
  • 2:00 p.m.
    Non-homogeneous Cauchy functional equations and their uses.
    Donald R. Snow*, Brigham Young University
    (854-39-595)
  • 2:15 p.m.
    Cauchy criteria for R-type summability method.
    Jeff Connor*, Ohio University, Athens
    (854-40-513)
  • 2:30 p.m.
    On monotone approximation.
    George A. Anastassiou*, Memphis State University
    (854-41-84)
  • 2:45 p.m.
    On some LP inequalities and their applications to best approximation theory.
    Teck-Cheong Lim*, George Mason University
    (854-41-94)
  • 3:00 p.m.
    Sampling series approximation for differentiable functions of polynomial growth.
    Selvaratnam Sridharma*, Northern Michigan University
    (854-41-276)
• Thursday January 18, 1990, 1:15 p.m.-3:10 p.m.
  NAM Contributed Paper Session
  

  • 1:15 p.m.
    
• Thursday January 18, 1990, 1:15 p.m.-2:45 p.m.
  MAA Committee on Two-Year Colleges Panel Discussion
  Assessment in the first two years of college mathematics
• Thursday January 18, 1990, 1:15 p.m.-3:15 p.m.
  MAA CUPM Subcommittee on Symbolic Manipulation Panel Discussion
  Computer algebra systems as teaching tools
• Thursday January 18, 1990, 2:20 p.m.-3:10 p.m.
  AMS Invited Address
  Analysis of spectral invariants.
  Sun-Yung Alice Chang*, University of California, Los Angeles
  (854-35-570)
• Thursday January 18, 1990, 3:25 p.m.-5:00 p.m.
  AMS Business Meeting
• Thursday January 18, 1990, 5:45 p.m.-7:15 p.m.
  Joint Policy Board for Mathematics Session
• Thursday January 18, 1990, 6:00 p.m.-8:00 p.m.
  MAA Minicourse #7: Part B
  Derive workshop
  Organizers:
  Wade Ellis, Jr., West Valley College
• Thursday January 18, 1990, 7:30 p.m.-9:30 p.m.
  AMS-MAA Undergraduate Linear Algebra Curriculum Panel Discussion
• Thursday January 18, 1990, 7:30 p.m.-9:00 p.m.
  Mathematical Reviews 50th Birthday
  Fifty years of Mathematical Reviews
  Speakers:
  Saunders Mac Lane, University of Chicago

Friday January 19, 1990

• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Multivariable Operator Theory, III
  

  • 7:00 a.m.
    Invariant Hilbert spaces of analytic functions on bounded symmetric domains.
    Jonathan Arazy*, University of Kansas
    Stephen D. Fisher, Northwestern University
    (854-46-240)
  • 7:30 a.m.
    The death of an index theorem.
    Robin Harte*, University of Alaska, Fairbanks
    Manuel Gonzalez, Santander, Spain
    (854-47-199)
  • 8:00 a.m.
    Operator theory and mean oscillation in the Bergman metric.
    Lewis A. Coburn*, State University of New York, College at Buffalo
    (854-47-76)
  • 8:30 a.m.
    Joint similarity orbits with local cross sections.
    Domingo A. Herrero*, Arizona State University
    E. Andruchow, Institute Argentino de Mate, Argentina
    D. Stojanoff, Institute Argentino de Mate, Argentina
    L. A. Fialkow, State University of New York, College at New Paltz
    M. B. Pecuch-Herrero, Arizona State University
    (854-47-230)
  • 9:00 a.m.
    Joint unitary orbits and joint similarity orbits.
    Lawrence A. Fialkow*, State University of New York, College at New Paltz
    E. Andruchow, Institute Argentino de Mate, Argentina
    D. Stojanoff, Institute Argentino de Mate, Argentina
    D. A. Herrero, Arizona State University
    M. B. Pecuch-Herrero, Arizona State University
    (854-47-227)
  • 9:30 a.m.
    Polynomially subnormal tuples of operators.
    Edwin Franks*, University of California at San Diego, La Jolla
    (854-47-459)
• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Functional Equations and their Applications, II
  

  • 7:00 a.m.
    Approximately midconvex functions.
    C. T. Ng*, University of Waterloo
    K. Nikodem, Technological University in Lodz, Poland
    (854-39-322)
  • 7:30 a.m.
    Cauchy's equation on cap delta^+.
    Thomas Riedel*, University of Massachusetts, Amherst
    (854-39-40)
  • 8:00 a.m.
    Sum form functional equation of multiplicative type.
    PL. Kannappan, University of Waterloo
    P. K. Sahoo*, University of Louisville
    (854-39-61)
  • 8:30 a.m.
    Functional equations in characterising additive and non-additive meanvalue measures of information for noiseless and noisy channels.
    Bhu Dev Sharma*, Xavier University of Louisiana
    (854-94-48)
  • 9:00 a.m.
    Weighted entropies.
    PL Kannappan*, University of Waterloo
    (854-39-109)
  • 9:30 a.m.
    Hairpins and signed doubly stochastic measures.
    Michael D. Taylor*, University of Central Florida
    (854-60-108)
• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Control of Infinite Dimensional Systems, I
  

  • 7:00 a.m.
    Control of large scale nonlinear delay differential equations in W_2^(1).
    E. N. Chukwu*, North Carolina State University
    (854-93-42)
  • 7:30 a.m.
    Differential Riccati equations in Hilbert space with unbounded coefficients.
    Irena Lasiecka*, University of Virginia
    (854-49-56)
  • 8:00 a.m.
    Viscoelastic and boundary feedback damping: Precise energy decay rates when creep modes are dominant.
    Kenneth B. Hannsgen, Virginia Polytechnic Institute and State University
    Robert L. Wheeler*, Virginia Polytechnic Institute and State University
    (854-93-115)
  • 8:30 a.m.
    Analysis and computations in some nonlinear distributed control problems.
    Srdjan Stojanovic*, University of Cincinnati
    (854-35-171)
  • 9:00 a.m.
    Exact controllability and uniform stabilization of a Kirchoff plate with only one active control.
    Roberto Triggiani*, University of Virginia
    (854-93-594)
  • 9:30 a.m.
    Computational study of the KdV equation with localized dissipation.
    D. L. Russell*, Virginia Polytechnic Institute and State University
    B.-Y. Zhang, University of Wisconsin, Madison
    (854-93-359)
• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Topology in Computer Graphics and Image Processing, II
  

  • 7:00 a.m.
    Topology: Point-set to digital to domain theory.
    George M. Reed*, University of Oxford, England
    (854-68-408)
  • 7:30 a.m.
    Tests for connectivity preservation.
    Richard W. Hall*, University of Pittsburgh, Pittsburgh
    (854-68-255)
  • 8:00 a.m.
    A digital fundamental group.
    T. Y. Kong, Queens College, City University of New York
    A. W. Roscoe*, Oxford University, England
    (854-68-407)
  • 8:30 a.m.
    Point-set, algebraic, geometric topology in image recognition.
    Monique L. Pavel*, Universit\'e de Paris, France
    (854-68-405)
  • 9:00 a.m.
    Topology preservation in 3D image thinning.
    T. Y. Kong*, Queens College, City University of New York
    (854-68-598)
  • 9:30 a.m.
    A Jordan curve theorem for locally Hamiltonian planar graphs.
    Victor Neumann-Lara, University National Autonoma of Mexico, Mexico
    Richard G. Wilson*, University Autonoma Metropolitana, Mexico
    (854-68-406)
• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Algebraic Geometry, I
  

  • 7:00 a.m.
    On the Kodaira dimension of the moduli spaces of polarized K3 surfaces.
    Kieran O'Grady, Columbia University
    Hans Sterk*, University of Utah
    (854-14-377)
  • 7:30 a.m.
    On (mu)=const deformations.
    Yakov Karpishpan*, Johns Hopkins University, Baltimore
    (854-14-203)
  • 8:00 a.m.
    Two characteristic numbers for smooth plane curves of any degree.
    Paolo Aluffi*, Oklahoma State University, Stillwater
    (854-14-150)
  • 8:30 a.m.
    Noether-Lefschetz locus for surfaces.
    Sung-Ock Kim*, Providence, Rhode Island
    (854-14-165)
  • 9:00 a.m.
    Orbits of plane curves.
    Carel Faber*, University of Chicago
    Paolo Aluffi, Oklahoma State University, Stillwater
    (854-14-239)
  • 9:30 a.m.
    Topology of moduli spaces of semistable torsion free rank two sheaves on elliptic surfaces.
    Kieran O'Grady*, Columbia University
    (854-14-275)
• Friday January 19, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Markov Processes and Stochastic Analysis, II
  

  • 7:00 a.m.
    Anticipating stochastic differential equations.
    H.-H. Kuo, Louisiana State University, Baton Rouge
    J. Potthoff*, Louisiana State University, Baton Rouge
    (854-60-502)
  • 7:30 a.m.
    Lyapunov exponent and rotation number of linear systems with multiplicative real noise.
    Mark A. Pinsky*, Northwestern University
    (854-60-11)
  • 8:00 a.m.
    Potential theory of reflecting Brownian motion.
    Rich Bass, University of Washington
    Pei Hsu*, Northwestern University
    (854-60-402)
  • 8:30 a.m.
    A central limit theorem for the intersection local times of 2 independent Brownian motions in R^3.
    Sophie Weinryb*, \'Ecole Polytechnique, France and Courant Institute of Mathematical Sciences, New York University
    Marc Yor, Universit\'e Paris VI, France
    (854-60-152)
  • 9:00 a.m.
    The stationary distribution of the infinitely-many-neutral-alleles diffusion model with parent-dependent mutation.
    S. N. Ethier*, University of Utah
    (854-60-354)
  • 9:30 a.m.
    Nonlinear stochastic integrators.
    Ren\'e Carmona*, University of California, Irvine
    (854-60-590)
• Friday January 19, 1990, 7:00 a.m.-8:55 a.m.
  AMS Session on Fourier and Functional Analysis
  

  • 7:00 a.m.
    Best constants in Sobolev inequalities for ultraspherical polynomials.
    J. Michael Pearson*, Florida International University
    (854-42-343)
  • 7:15 a.m.
    Spherical harmonics and a singular integral.
    Javad Namazi*, Fairleigh Dickinson University, Madison
    (854-42-538)
  • 7:30 a.m.
    A Parseval-Goldstein type theorem and its applications.
    Osman Y\"urekli*, Ithaca College
    (854-44-196)
  • 7:45 a.m.
    Hankel type integral evaluation by an operational method.
    Matthew T. Kambule*, University of North Carolina, Wilmington
    Osman Y\"urekli, Ithaca College
    (854-44-213)
  • 8:00 a.m.
    Dentability, trees, and Dunford-Pettis operators on L_1.
    Maria Girardi*, University of Illinois, Urbana-Champaign
    (854-46-282)
  • 8:15 a.m.
    Weak continuity of a composition map between spaces of compact operators and Banach valued continuous functions.
    Rajappa Asthagiri*, Miami University, Middletown
    (854-46-342)
  • 8:30 a.m.
    Type and cotype in vector valued function spaces.
    Anna Kami\'nska*, Memphis State University
    (854-46-385)
  • 8:45 a.m.
    Finite codimensional ideals in Banach algebras with one generator.
    Krzysztof Jarosz*, Southern Illinois University, Edwardsville
    (854-46-429)
• Friday January 19, 1990, 7:00 a.m.-9:25 a.m.
  MAA Session on Recent Developments in Placement, Part A
  

  • 7:00 a.m.
    Computer-generated placement examinations.
    Linda H. Boyd*, DeKalb College
    Mary McCammon, Pennsylvania State University, University Park
  • 7:30 a.m.
    New national and state mathematics placement developments at ACT.
    John D. Roth*, American College Testing
  • 8:00 a.m.
    A placement procedure using regression analysis.
    E. J. Manfred*, United States Coast Guard Academy
    G. Rezendes, United States Coast Guard Academy
  • 8:30 a.m.
    Computerized testing and grading for (remedial) algebra and trigonometry.
    Iris B. Fetta*, Clemson University
  • 9:00 a.m.
    A failure of the standardized placement exams.
    Satish C. Bhatnager*, University of Nevada, Las Vegas
• Friday January 19, 1990, 7:00 a.m.-9:25 a.m.
  MAA Session on Classic Classroom Calculus Problems, Part A
  

  • 7:00 a.m.
    An extension of the classical needle problem.
    Barry J. Arnow*, Kean College of New Jersey
  • 7:15 a.m.
    Two classics from physics: Kepler's third law and Newton's attracting sphere.
    Gilbert Strang*, Massachusetts Institute of Technology
  • 7:30 a.m.
    Problems that are lost between editions of calculus textbooks.
    Aparna W. Higgins*, University of Dayton
  • 7:45 a.m.
    Variations on some classic calculus problems using the microcomputer.
    Benny Evans*, Oklahoma State University, Stillwater
    Jerry Johnson, Oklahoma State University, Stillwater
  • 8:00 a.m.
    Summing series.
    Roger H. Moritz*, Alfred University
  • 8:15 a.m.
    Obervations on a problem concerning area and volume.
    Glenn Adamson*, Ottawa University
  • 8:30 a.m.
    Illustrating Taylor polynomials using a spreadsheet and a mathematical graphics package.
    Todd Timmons*, Westark Community College
  • 8:45 a.m.
    Referenced applications in calculus.
    Raymond F. Coughlin*, Temple University, Philadelphia
  • 9:00 a.m.
    Demand curves and revenue functions.
    James H. Fife*, Ursinus College
  • 9:15 a.m.
    Functions defined by graphs.
    Caspar R. Curjel*, University of Washington
• Friday January 19, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #10: Part A
  A seminar on women in mathematics
  Organizers:
  Miriam P. Cooney, Saint Mary's College, Notre Dame
• Friday January 19, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #11: Part A
  Writing in mathematics courses
  Organizers:
  George D. Gopen, Duke University
  David A. Smith, Duke University
• Friday January 19, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #12: Part A
  An introduction to the mathematical elements of computer graphics
  Organizers:
  Joan Wyzkoski Weiss, Fairfield University
• Friday January 19, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #9: Part B
  How to use inexpensive graphing calculators to enhance the teaching and learning of precalculus mathematics and calculus
  Organizers:
  Bert K. Waits, Ohio State University
  Franklin Demana, Ohio State University
• Friday January 19, 1990, 7:30 a.m.-8:50 a.m.
  MAA Panel Discussion
  Is graduate education meeting the needs of mathematicians?
• Friday January 19, 1990, 8:00 a.m.-9:55 a.m.
  MAA 5-Day Workshops Panel Discussion
  MAA Section 5-Day Workshops
  Organizers:
  Marvin L. Brubaker, Messiah College
  B. A. Fusaro, Salisbury State College
• Friday January 19, 1990, 8:00 a.m.-9:55 a.m.
  MAA Calculus Texts Open Forum
  Calculus texts in a time of reform: The r\^oles of authors, publishers, and emerging technologies
• Friday January 19, 1990, 9:00 a.m.-9:55 a.m.
  AMS-MAA-SIAM Committee on Preparation for College Teaching Forum
  How should mathematicians prepare for college teaching?
• Friday January 19, 1990, 9:05 a.m.-9:55 a.m.
  AMS Invited Address
• Friday January 19, 1990, 10:10 a.m.-11:00 a.m.
  AMS-MAA Invited Address
  Non-wellfounded sets and their applications.
  Jon Barwise*, Stanford University
• Friday January 19, 1990, 11:00 a.m.-12:00 p.m.
  National Science Foundation
• Friday January 19, 1990, 11:15 a.m.-1:15 p.m.
  MER-MSEB Workshop
  The mathematician as gatekeeper of educational reform
• Friday January 19, 1990, 12:00 p.m.-1:00 p.m.
  AMS Colloquium Lectures: Lecture III
  Some thoughts on the interaction between group theory and physics.
  Shlomo Sternberg*, Harvard University
• Friday January 19, 1990, 12:00 p.m.-1:00 p.m.
  NAM Claytor-Woodard Lecture
  The box product problem.
  Scott W. Williams*, State University of New York, College at Buffalo
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Linear Operators, Matrix Functions and Control, I
  

  • 12:00 p.m.
    Regular rational matrix functions with prescribed null and pole data except at infinity.
    A. C. M. Ran*, Vrije Universiteit, The Netherlands
    M. A. Kaashoek, Vrije Universiteit, The Netherlands
    I. Gohberg, Tel Aviv University, Israel
    (854-47-601)
  • 12:30 p.m.
    A maximum entropy principle in the general framework of the band method.
    I. Gohberg, Tel-Aviv University, Israel
    M. A. Kaashoek*, Vrije Universiteit, The Netherlands
    H. J. Woerdeman, University of California at San Diego, La Jolla
    (854-47-289)
  • 1:00 p.m.
    Interpolation and completion problems: An abstract approach.
    Joseph A. Ball*, Virginia Polytechnic Institute and State University
    (854-47-353)
  • 1:30 p.m.
    The spectral Nevanlinna-Pick interpolation problem.
    Hari Bercovici, Indiana University, Bloomington
    Ciprian Foias*, Indiana University, Bloomington
    Allen Tannenbaum, University of Minnesota, Minneapolis and Israel Institute of Technology, Israel
    (854-47-352)
  • 2:00 p.m.
    Commutant lifting in Krein spaces.
    Louis de Branges*, Purdue University, West Lafayette
    (854-47-17)
  • 2:30 p.m.
    Extension theorems for contraction operators on Krein spaces.
    Michael A. Dritschel, Purdue University, West Lafayette
    James Rovnyak*, University of Virginia
    (854-47-288)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on the Schr\"odinger Equation, III
  

  • 12:00 p.m.
    The n-sphere Schrodinger theory: Inverse spectral problem and rigidity.
    David Gurarie*, Case Western Reserve University
    (854-35-06)
  • 12:30 p.m.
    On minimal and maximal eigenvalue gaps and their causes.
    Mark S. Ashbaugh, University of Missouri, Columbia
    Evans M. Harrell, Georgia Institute of Technology
    Roman Svirsky*, University of Tennessee, Knoxville
    (854-47-38)
  • 1:00 p.m.
    On the span of squared eigenfunctions.
    John Sylvester*, University of Washington
    (854-35-168)
  • 1:30 p.m.
    L^P-estimates for the Schr\"odinger equation.
    J-L. Journ\'e, Princeton University
    A. Soffer*, Princeton University
    C. Sogge, Princeton University
    (854-81-357)
  • 2:00 p.m.
    Reconstruction in the inverse scattering problem at fixed energy.
    Adrian I. Nachman*, University of Rochester
    (854-35-367)
  • 2:30 p.m.
    Optimal bounds on eigenvalue ratios for Schr\"odinger operators with Dirichlet boundary conditions and positive potentials.
    Mark S. Ashbaugh*, University of Missouri, Columbia
    (854-34-154)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Homotopy Theory, II
  

  • 12:00 p.m.
    Some consequences of the telescope conjecture.
    Douglas C. Ravenel*, University of Rochester
    (854-55-458)
  • 12:30 p.m.
    Root invariants and v_1-periodic families.
    Hal Sadofsky*, Massachusetts Institute of Technology
    (854-55-364)
  • 1:00 p.m.
    Some v_2-periodic homotopy in S^3.
    Mark Mahowald*, Northwestern University
    (854-55-261)
  • 1:30 p.m.
    Some unstable v_2-periodic homotopy classes.
    Mark Mahowald, Northwestern University
    Robert Thompson*, Northwestern University
    (854-55-461)
  • 2:00 p.m.
    The homotopy type of Spec Z[1/p].
    W. G. Dwyer*, University of Notre Dame
    E. M. Friedlander, Northwestern University
    (854-55-263)
  • 2:30 p.m.
    On the v_1-periodic homotopy of S^3.
    Frederick R. Cohen*, University of Rochester
    (854-55-472)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Group Representations and Operator Algebras, II
  

  • 12:00 p.m.
    Some exceptional unitary representations defined by invariant differential operators.
    Ray A. Kunze*, University of Georgia
    (854-43-28)
  • 12:30 p.m.
    Distributions on Heisenberg groups.
    Raymond Fabec*, Louisiana State University, Baton Rouge
    (854-22-77)
  • 1:00 p.m.
    Triangular AF algebras.
    Justin R. Peters*, Iowa State College, Ames
    (854-46-29)
  • 1:30 p.m.
    K-theory for Frechet algebras.
    N. Christopher Phillips*, University of Georgia
    (854-46-50)
  • 2:00 p.m.
    Finite groups, groupoids and hypergroups from a C*-algebra viewpoint.
    Martin Walter*, University of Colorado, Boulder
    (854-20-51)
  • 2:30 p.m.
    Non-monomial multiplier representations of Abelian groups.
    L. W. Baggett, University of Colorado, Boulder
    A. Ramsay*, University of Colorado, Boulder
    A. L. Carey, University of Adelaide, Australia
    W. Moran, University of Adelaide, Australia
    (854-22-45)
• Friday January 19, 1990, 12:00 p.m.-3:00 p.m.
  AMS Special Session on History of Mathematics, II
  

  • 12:00 p.m.
    Lagrange multipliers: A study in the history of ideas.
    Ed Barbeau*, University of Toronto
    (854-01-234)
  • 12:40 p.m.
    Algebraic structure and the concept of time: An early approach to nonlinear problems.
    Ubiratan D'Ambrosio*, Universidade Estadual de Campinas, Brazil
    (854-01-268)
  • 1:15 p.m.
    Ninety-four years ago and now.
    Marcia Ascher*, Ithaca College
    (854-01-37)
  • 1:50 p.m.
    Mathematics as a profession in ancient Maya society.
    Michael Closs*, University of Ottawa
    (854-01-470)
  • 2:20 p.m.
    Lewis Carroll's encryption algorithms.
    Stanley H. Lipson*, Kean College of New Jersey
    Francine F. Abeles, Kean College of New Jersey
    (854-01-135)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Oscillation Theory in Ordinary Differential Equations, I
  

  • 12:00 p.m.
    Sturmian theory and recessive solutions for self adjoint three term recurrences and associated continued fractions.
    Calvin D. Ahlbrandt*, University of Missouri, Columbia
    (854-34-121)
  • 12:30 p.m.
    Positive solutions and extremal points for differential equations.
    Johnny Henderson*, Auburn University, Auburn
    Darrel Hankerson, Auburn University, Auburn
    (854-34-33)
  • 1:00 p.m.
    Effective calculation of the length of disconjugacy intervals for linear differential equations.
    Jerry Ridenhour*, Utah State University
    (854-34-471)
  • 1:30 p.m.
    Oscillation of matrix difference equations, I.
    Allan Peterson*, University of Nebraska, Lincoln
    Jerry Ridenhour, Utah State University
    (854-34-52)
  • 2:00 p.m.
    On Sturmian theory for nonselfadjoint systems.
    Shair Ahmad*, University of Texas, San Antonio
    (854-34-369)
  • 2:30 p.m.
    Sturmian theory for nonselfadjoint systems.
    E. C. Tomastik*, University of Connecticut, Storrs
    (854-34-370)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Algebraic Geometry, II
  

  • 12:00 p.m.
    The versal deformation of cyclic quotient singularities.
    Jan Stevens*, University of Utah
    (854-14-376)
  • 12:30 p.m.
    An approach to the Abundance Conjecture for 3-folds and its application to a study of complex hyperbolic 3-manifold.
    Kenji Matsuki*, Brandeis University
    (854-14-178)
  • 1:00 p.m.
    Brill-Noether for stable vector bundles.
    Montserrat Teixidor i Bigas*, Tufts University
    (854-14-173)
  • 1:30 p.m.
    A note on the Hodge index theorem.
    T. Luo*, University of Utah
    (854-14-97)
  • 2:00 p.m.
    Characterizations of rational surface singularities.
    Steven Dale Cutkosky*, University of Missouri, Columbia
    (854-14-75)
  • 2:30 p.m.
    Complete extensions of line bundles on a curve.
    Aaron Bertram*, Harvard University
    (854-14-375)
• Friday January 19, 1990, 12:00 p.m.-2:50 p.m.
  AMS Special Session on Optimization and Nonlinear Analysis, I
  

  • 12:00 p.m.
    Sensitivity analysis for generalized equations.
    Alan J. King*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    R. T. Rockafellar, University of Washington
    (854-49-398)
  • 12:30 p.m.
    Stochastic optimization with generalized derivatives.
    John Birge*, University of Michigan, Ann Arbor
    (854-49-400)
  • 1:00 p.m.
    Miminal convex USCOs and their applications.
    Jonathan Michael Borwein*, Dalhousie University
    (854-46-43)
  • 1:30 p.m.
    Basic properties of generalized gradients.
    Jay S. Treiman*, Western Michigan University
    (854-90-176)
  • 2:00 p.m.
    The rank-1 generalized Jacobian.
    Daniel Ralph*, University of Wisconsin, Madison
    (854-26-397)
  • 2:30 p.m.
    Necessary optimality conditions for differential inclusions.
    Boris Mordukhovich*, Wayne State University
    (854-49-187)
• Friday January 19, 1990, 12:00 p.m.-2:20 p.m.
  AMS Special Session on Analytic Number Theory, II
  

  • 12:00 p.m.
    The Turan inequalities for L-series associated with cusp forms.
    Brian Conrey*, Oklahoma State University, Stillwater
    (854-11-569)
  • 12:30 p.m.
    Estimates for Fourier coefficients of cusp forms.
    William Duke*, Rutgers University, New Brunswick
    Henryk Iwaniec, Rutgers University, New Brunswick
    (854-11-446)
  • 1:00 p.m.
    Lower bounds for least quadratic non-residues.
    S. W. Graham*, Michigan Technological University
    C. J. Ringrose, Leeds, England
    (854-11-96)
  • 1:30 p.m.
    On sums of Fourier coefficients of cusp forms.
    James L. Hafner*, IBM Almaden Research Center, San Jose, California
    Aleksandar Ivi\'c, University of Belgrade, Yugoslavia
    (854-11-445)
  • 2:00 p.m.
    The asymptotic behavior of the solutions of a class of differential-difference equations.
    Adolf Hildebrand*, University of Illinois, Urbana-Champaign
    (854-11-411)
• Friday January 19, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #11: Part B
  Writing in mathematics courses
  Organizers:
  George D. Gopen, Duke University
  David A. Smith, Duke University
• Friday January 19, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #13: Part A
  A survey of educational software
  Organizers:
  Virginia E. Knight, Meredith College
  Vivian Yoh Kraines, Meredith College
• Friday January 19, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #14: Part A
  Creating order out of chaos in freshman mathematics: Instituting a mathematics placement program
  Organizers:
  Linda H. Boyd, DeKalb College and sponsored by the Committee on Placement Examinations
• Friday January 19, 1990, 12:00 p.m.-1:55 p.m.
  AMS Session on Partial Differential Equations, III
  

  • 12:00 p.m.
    Disjointness preserving operators on Banach lattices.
    William Feldman*, University of Arkansas, Fayetteville
    (854-47-575)
  • 12:15 p.m.
    Existence of linear feedback control for global asymptotic stability.
    Anil K. Bose*, Clemson University
    J. A. Reneke, Clemson University
    Alan S. Cover, Clemson University
    (854-34-563)
  • 12:30 p.m.
    Existence and stabilities of periodic solutions for competing-species diffusion systems.
    Guangwei Fan*, University of Cincinnati
    Anthony Leung, University of Cincinnati
    (854-35-72)
  • 12:45 p.m.
    An interior discontinuity of a nonlinear elliptic-hyperbolic system.
    Sen Huei Chen*, Howard University
    R. Bruce Kellogg, University of Maryland, College Park
    (854-35-128)
  • 1:00 p.m.
    Inverse problems for transistor contact resistence.
    Weifu Fang*, Claremont Graduate School
    Ellis Cumberbatch, Claremont Graduate School
    (854-35-156)
  • 1:15 p.m.
    A nonlinear heat equation in R1.
    Zhixiong Cai*, Ohio University, Athens
    Nicolae Pavel, Ohio University, Athens
    (854-35-180)
  • 1:30 p.m.
    Radial solutions to a Dirichlet problem involving critical exponents.
    Alfonso Castro, University of North Texas
    Alexandra Kurepa*, Texas Christian University
    (854-35-210)
  • 1:45 p.m.
    A study of bifurcations in a reversible system from a reaction-diffusion system.
    Joseph G. Yan*, University of North Carolina, Wilmington
    (854-35-298)
• Friday January 19, 1990, 12:00 p.m.-3:10 p.m.
  AMS Session on Differential Geometry and General Topology
  

  • 12:00 p.m.
    When is a topological space quasimetrizable?
    R. D. Kopperman*, City College, City University of New York
    (854-54-341)
  • 12:15 p.m.
    On the cohomology of transitive Lie algebras.
    Klaus Volpert*, Villanova University
    (854-53-265)
  • 12:30 p.m.
    Quadric representation and submanifolds of finite type.
    Ivko Dimitric*, Michigan State University
    (854-53-308)
  • 12:45 p.m.
    Pseudoconvexity of Lorentzian doubly warped products.
    Dean Allison*, Southern Illinois University, Carbondale
    (854-53-338)
  • 1:00 p.m.
    Sympletic and Riemannian foliations.
    Paul D. Scofield*, University of Illinois, Urbana-Champaign
    (854-53-486)
  • 1:15 p.m.
    Non-existence of Riemannian foliation on a compact negatively curved Riemann manifold.
    Hobum Kim*, University of Illinois, Urbana-Champaign
    (854-53-518)
  • 1:30 p.m.
    An intrinsic characterization of a class of minimal surfaces in constant curvature manifolds.
    Gene Douglas Johnson*, Franklin & Marshall College
    (854-53-528)
  • 1:45 p.m.
    The space of geodesics.
    John K. Beem, University of Missouri, Columbia
    Phillip E. Parker*, Wichita State University
    (854-53-546)
  • 2:00 p.m.
    Groups of transformations of almost r-paracontact manifolds.
    Andrzej Bucki*, Lycoming College
    (854-53-564)
  • 2:15 p.m.
    Uniformly regular quasi-uniform spaces.
    P. Fletcher, Virginia Polytechnic Institute and State University
    W. Hunsaker*, Southern Illinois University, Carbondale
    (854-54-02)
  • 2:30 p.m.
    Self-similarity.
    Gary Lewellen*, Appalachian State University
    (854-54-91)
  • 2:45 p.m.
    Homogeneity and (sigma)-discrete sets.
    Ben Fitzpatrick, Jr.*, Auburn University, Auburn
    Hao-Xuan Zhou, State University of New York, Buffalo
    (854-54-197)
  • 3:00 p.m.
    Normal spaces with prescribed Stone-Cech remainders.
    Jack R. Porter, University of Kansas
    R. Grant Woods*, University of Manitoba
    (854-54-237)
• Friday January 19, 1990, 12:00 p.m.-3:10 p.m.
  AMS Session on General Topology
  

  • 12:00 p.m.
    The calculus laboratory as a forum for learning.
    Susan Hurley, Siena College
    Thomas H. Rousseau*, Siena College
    (854-54-269)
  • 12:15 p.m.
    Topological entropy of homeomorphism on a tree.
    Rahim G. Karimpour*, Southern Illinois University, Edwardsville
    (854-54-272)
  • 12:30 p.m.
    Q-binary spaces.
    Andrzej Szyma\'nski*, Slippery Rock University
    (854-54-335)
  • 12:45 p.m.
    Accessible spaces.
    Aaron R. Todd*, Bernard M. Baruch College, City University of New York
    Edward Beckenstein, Saint John's University, Notre Dame College
    Lawrence Narici, Saint John's University
    (854-54-423)
  • 1:00 p.m.
    Hyperspaces as a tool in iterated function theory.
    Bruce S. Burdick*, Bates College
    (854-54-434)
  • 1:15 p.m.
    Hausdorff solutions to the Scarborough-Stone problem.
    Jerry E. Vaughan*, University of North Carolina, Greensboro
    (854-54-440)
  • 1:30 p.m.
    On extensionable topological hulls.
    Friedhelm Schwarz*, University of Toledo
    (854-54-453)
  • 1:45 p.m.
    Adherent compact and H-closed adherent-seminormal spaces.
    Robert L. Krystock*, Norton, Virginia
    (854-54-465)
  • 2:00 p.m.
    Construction of compactifications using essential lattice homomorphisms.
    G. D. Faulkner*, North Carolina State University
    A. Caterino, University of Perugia, Italy
    M. C. Vipera, University of Perugia, Italy
    (854-54-494)
  • 2:15 p.m.
    On the open-open game.
    Peg Daniels, Auburn University, Auburn
    Hao-Xuan Zhou*, State University of New York, Buffalo
    (854-54-550)
  • 2:30 p.m.
    Banach category theorems and Blumberg's categorical almost continuity-applications.
    Zbigniew Piotrowski*, Youngstown State University
    (854-54-551)
  • 2:45 p.m.
    Some topological groups with, and some without, proper dense subgroups.
    W. W. Comfort*, Wesleyan University
    Jan Van Mill, Vrije Universiteit, The Netherlands
    (854-54-613)
  • 3:00 p.m.
    Periodic boundary value problems of first order differential equations with impulses.
    A. S. Vatsala*, University of Southwestern Louisiana
    (854-34-548)
• Friday January 19, 1990, 12:00 p.m.-3:10 p.m.
  AMS Session on Algebraic and General Topology and Manifolds
  

  • 12:00 p.m.
    Planes in Whitehead manifolds of finite genus at infinity.
    Bobby Winters*, Pittsburg State University
    (854-57-503)
  • 12:15 p.m.
    Approximation of relative spectrum of an element in Banach algebra.
    Abhay K. Gaur*, Duquesne University
    (854-46-382)
  • 12:30 p.m.
    A note on continuity points of functions.
    Zbigniew Piotrowski, Youngstown State University
    Eric Wingler*, Youngstown State University
    (854-54-552)
  • 12:45 p.m.
    Projective covers of some sequential spaces.
    Ananda V. Gubbi*, Southwest Missouri State University
    (854-54-580)
  • 1:00 p.m.
    Monogenic s-systems: A semigroup approach.
    J. D. Lawson, Louisiana State University, Baton Rouge
    Amha Lisan*, Louisiana State University, Baton Rouge
    (854-54-581)
  • 1:15 p.m.
    Polynomial cochains on nilmanifolds.
    Bohumil Cenkl, Northeastern University
    Richard Porter*, Northeastern University
    (854-55-270)
  • 1:30 p.m.
    K-fold products on braids.
    Stefanos Gialamas*, Columbia College
    (854-55-427)
  • 1:45 p.m.
    Changing fixed points and coincidences to roots.
    Robin Brooks, Bates College
    Peter Wong*, Bates College
    (854-55-433)
  • 2:00 p.m.
    On the minimal v-degree of the generalized Jones polynomial.
    Chris Sligar*, University of Georgia
    (854-55-522)
  • 2:15 p.m.
    Fixed point minimization and homeomorphisms of low-dimensional manifolds.
    Michael Kelly*, University of Idaho
    (854-55-584)
  • 2:30 p.m.
    Andreotti invariant of real projective spaces.
    Gregory A. Fredricks*, Lewis & Clark College
    Peter B. Gilkey, University of Oregon
    (854-57-299)
  • 2:45 p.m.
    The base orbifolds of Brieskorn manifolds.
    John W. Emert*, Ball State University
    (854-57-490)
  • 3:00 p.m.
    K (pi, 1) arrangements.
    Michael J. Falk*, Northern Arizona University
    (854-57-526)
• Friday January 19, 1990, 12:00 p.m.-2:55 p.m.
  AMS Session on Probability and Stochastic Processes
  

  • 12:00 p.m.
    The geometry of mutual exclusion in competitive systems.
    John E. Franke, North Carolina State University
    Abdul-Aziz Yakubu*, North Carolina State University
    (854-58-163)
  • 12:15 p.m.
    3-Determinacy for Hamiltonians of Henon-Heiles type.
    Christopher Cotter*, University of Northern Colorado
    (854-58-600)
  • 12:30 p.m.
    An example of a harmonizable process whose spectral domain is not complete.
    A. B. Miamee*, Hampton University
    H. Salehi, Michigan State University
    (854-60-12)
  • 12:45 p.m.
    On remaining busy periods of GI/G/c queues and its relations with stationary point processes.
    Saeed Ghahramani*, Towson State University
    (854-60-85)
  • 1:00 p.m.
    Zonoids and expected absolute random determinants.
    Richard A. Vitale*, University of Connecticut, Storrs
    (854-60-174)
  • 1:15 p.m.
    Lotto jackpot as an occupancy problem.
    G. Rubin Thomas*, Benedict College
    (854-60-441)
  • 1:30 p.m.
    Conditions for convergence in an infinite urn model.
    Michael Dutko*, University of Scranton
    (854-60-435)
  • 1:45 p.m.
    Prophet inequality for independent random variables with a discount factor.
    Frans Boshuizen*, Vrije Universiteit, The Netherlands
    (854-60-415)
  • 2:00 p.m.
    A generalized Ito formula for N-dimensional time.
    Mylan Redfern*, University of Southern Mississippi
    David Betounes, University of Southern Mississippi
    (854-60-386)
  • 2:15 p.m.
    Brownian motion as the strong limit of the difference of two Poisson processes with an application to queueing theory.
    Madjid A. Amir*, University of Illinois, Urbana-Champaign
    (854-60-325)
  • 2:30 p.m.
    Toward a dispersive number line.
    Dennis Collins*, University of Puerto Rico, Mayaguez
    (854-60-321)
  • 2:45 p.m.
    Minimax-optimal stop rules and distributions in secretary problems.
    Theodore P. Hill*, Georgia Institute of Technology
    Ulrich Krengel, University of G\"ottingen, Federal Republic of Germany
    (854-60-296)
• Friday January 19, 1990, 12:00 p.m.-3:10 p.m.
  AMS Session on Calculus of Variations and Convexity
  

  • 12:00 p.m.
    On equations in Banach spaces involving composition products of set valued mappings.
    Frank U. Williamson*, Vitry sur Seine, France
    (854-49-25)
  • 12:15 p.m.
    Angular momentum optimization of rigid body trajectories.
    Michael Enos*, Syracuse University
    (854-49-100)
  • 12:30 p.m.
    Pointwise versions of the maximum theorem with applications in optimization.
    I. E. Schochetman*, Oakland University
    (854-49-211)
  • 12:45 p.m.
    A variational approach for optimal control of time-delay systems with distributed parameters.
    Ibrahim Sadek*, University of North Carolina, Wilmington
    (854-49-214)
  • 1:00 p.m.
    The numerical solution of optimal control problems by methods in the calculus of variations.
    John Gregory*, Southern Illinois University, Carbondale
    Cantian Lin, Southern Illinois University, Carbondale
    (854-49-390)
  • 1:15 p.m.
    Attainable sets and holding sets for discrete control systems.
    Emilio O. Roxin*, University of Rhode Island
    (854-49-477)
  • 1:30 p.m.
    The Euler - Lagrange equations for nonregular extremum problems in Banach spaces.
    Urszula Ledzewicz-Kowalewska*, Southern Illinois University, Edwardsville
    (854-49-537)
  • 1:45 p.m.
    Satellite configurations and the Petersen graph.
    Sandra Lach Arlinghaus*, Institute of Mathematical Geography
    (854-51-501)
  • 2:00 p.m.
    Steinhardt's inequality in the Minkowski plane.
    Mostafa Ghandehari*, Naval Postgraduate School
    (854-52-05)
  • 2:15 p.m.
    Disk packing with Kleinian groups.
    D. Bessis, CEN-Saclay, France
    S. Demko*, Georgia Institute of Technology
    (854-52-274)
  • 2:30 p.m.
    A functional from metric geometry.
    Allen D. Rogers*, University of Illinois, Urbana-Champaign
    (854-52-496)
  • 2:45 p.m.
    On the Lie curvature of Dupin hypersurfaces.
    Thomas E. Cecil*, College of the Holy Cross
    (854-53-182)
  • 3:00 p.m.
    Isometric immersions of compact Tiemannian surfaces of genus one into (bold R to the three) with given mean curvature.
    Ioannis M. Roussos*, University of South Alabama
    Shing-Hwang Doong, University of South Alabama
    (854-53-207)
• Friday January 19, 1990, 12:00 p.m.-2:55 p.m.
  MAA Session on Recent Developments in Placement, Part B
  

  • 12:00 p.m.
    ACT 1052 - The impact on higher education in Arkansas.
    Travis Thompson*, Harding University
  • 12:30 p.m.
    California placement in the 90's.
    Wallace A. Etterbeek*, California State University, Sacramento
  • 1:00 p.m.
    State mandated entry-level testing in Florida.
    Bill Jordan*, Seminole Community College
  • 1:30 p.m.
    Illinois cooperative mathematics placement project.
    John Bradburn*, Elgin Community College
  • 2:00 p.m.
    The Texas Academic Skills Program - An attempt at state wide placement, among other things.
    Joe E. Cude*, Tarleton State University
  • 2:30 p.m.
    Application of placement throughout the nation.
    Louis F. Hoelzle*, Bucks County Community College
• Friday January 19, 1990, 12:00 p.m.-2:25 p.m.
  MAA Session on Classic Classroom Calculus Problems, Part B
  

  • 12:00 p.m.
    Planting some seeds with \integral_a^x f(t)dt.
    Deborah A. Frantz*, University of Pennsylvania
  • 12:15 p.m.
    Modified Newton's method for evaluating roots.
    Roger H. Hou*, Mobile, Alabama
  • 12:30 p.m.
    The distance from a point to a line.
    Monty Taylor*, Pan American University
  • 12:45 p.m.
    Derivative of the sine and cosine functions using the arc length formula for the definite integral.
    Peter A. Lindstrom*, North Lake College
  • 1:00 p.m.
    A non-routine extremum problem.
    Alan Gorfin*, Western New England College
  • 1:15 p.m.
    Motivating the definite integral.
    Robert P. Webber*, Longwood College
  • 1:30 p.m.
    Tuition functions.
    William E. Fenton*, Bellarmine College
  • 1:45 p.m.
    Optimal areas and perimeters in planar regions.
    Lee H. Minor*, Western Carolina University
  • 2:00 p.m.
    Correct use of a miscellaneous substitution.
    Paul M. Perdew*, University of Scranton
  • 2:15 p.m.
    Intergration by subtraction.
    John F. Lucas*, University of Wisconsin, Oshkosh
• Friday January 19, 1990, 12:00 p.m.-3:10 p.m.
  MAA Session on A Core in Mathematics
  

  • 12:00 p.m.
    An introduciton to discrete dynamical modelling.
    James T. Sandefur*, Georgetown University
  • 12:25 p.m.
    Mathematics for psychology students.
    Paul M. Perdew*, University of Scranton
  • 12:40 p.m.
    Data analysis in the mathematics core curriculum.
    Richard Barshinger*, Pennsylvania State University, Dunmore
  • 12:55 p.m.
    Simple, but interesting, projects for a mathematics core.
    Russell Jay Hendel*, Dowling College
  • 1:10 p.m.
    Elementary mathematical modeling as an option for the core.
    Helen Christensen*, Loyola College
  • 1:25 p.m.
    Programming for mathematical development among undergraduate students [a model for action planning].
    Charles H. Roberts*, Michigan State University
  • 1:50 p.m.
    Graphics in a core mathematics course.
    David E. Zitarelli*, Temple University, Philadelphia
  • 2:05 p.m.
    The poetry of mathematics.
    Barbara A. Jur*, University of Tennessee, Chattanooga
  • 2:20 p.m.
    Lines and planes of support and quadratics.
    James W. Petticrew*, University of Texas and Pan American University
  • 2:45 p.m.
    An argument for increasing the scope of the mathematics core.
    Kathleen M. Shannon*, Salisbury State University
  • 3:00 p.m.
    Mathematical modeling in calculus with computers or graphing calculators.
    Robert Decker*, University of Hartford
• Friday January 19, 1990, 12:15 p.m.-1:05 p.m.
  MAA CUPM Subcommittee on Symbolic Computation Special Presentation
  Applications of symbolic mathematics to mathematics
• Friday January 19, 1990, 1:15 p.m.-2:05 p.m.
  MAA Invited Address
  Fractals for everyone.
  Michael F. Barnsley*, Iterated Systems, Inc. and Georgia Institute of Technology
• Friday January 19, 1990, 1:15 p.m.-3:10 p.m.
  Rocky Mountain Mathematics Consortium Board of Directors' Meeting
• Friday January 19, 1990, 2:20 p.m.-3:10 p.m.
  MAA Retiring Presidential Address
  Teaching programs that work.
  Leonard Gillman*, University of Texas, Austin
• Friday January 19, 1990, 3:25 p.m.-4:30 p.m.
  MAA Business Meeting
• Friday January 19, 1990, 6:00 p.m.-8:00 p.m.
  MAA Minicourse #13: Part B
  A survey of educational software
  Organizers:
  Virginia E. Knight, Meredith College
  Vivian Yoh Kraines, Meredith College
• Friday January 19, 1990, 6:30 p.m.-8:00 p.m.
  Joint Policy Board for Mathematics: National Meeting of Department Heads
• Friday January 19, 1990, 6:30 p.m.-8:30 p.m.
  MAA Computer Algebra Systems Session
  CAS Workshop Reunion
  Organizers:
  Donald B. Small, Colby College
• Friday January 19, 1990, 6:45 p.m.-7:45 p.m.
  MAA Committee on Participation of Women Panel Discussion
  Unity in diversity\endash Challenge for change
• Friday January 19, 1990, 8:00 p.m.-9:30 p.m.
  AMS-MAA Panel Discussion
  Teaching undergraduate mathematics: Insights from education research

Saturday January 20, 1990

• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Homotopy Theory, III
  

  • 7:00 a.m.
    A formula in the Adams spectral sequence which may interest some people.
    James E. McClure*, University of Kentucky
    Ross Staffeldt, New Mexico State University, Las Cruces
    (854-55-363)
  • 7:30 a.m.
    Stable spherical classes factoring through BV's.
    Nicholas J. Kuhn*, University of Virginia
    (854-55-32)
  • 8:00 a.m.
    Multiplicities of summands in the classifying space of a finite group.
    Stewart Priddy*, Northwestern University
    John Martino, Yale University
    (854-55-362)
  • 8:30 a.m.
    Generalized RO(G)-graded Borel, coBorel, and Tate cohomology.
    J. P. C. Greenlees*, University of Chicago
    J. P. May, University of Chicago
    (854-55-457)
  • 9:00 a.m.
    Completions of G-spectra at ideals of the Burnside ring.
    J. P. May*, University of Chicago
    J. P. C. Greenlees, University of Chicago
    M. J. Hopkins, Massachusetts Institute of Technology
    (854-55-456)
  • 9:30 a.m.
    Small H-spaces.
    David J. Anick*, Massachusetts Institute of Technology
    (854-55-291)
• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Control of Infinite Dimensional Systems, II
  

  • 7:00 a.m.
    A controlled diffusion with no strict sense optimal control.
    Raymond Rishel*, University of Kentucky
    Vaclav Benes, Columbia University
    Ioannis Karatzas, Rutgers University, New Brunswick
    (854-49-170)
  • 7:30 a.m.
    Optimal control of the running max.
    Arthur C. Heinricher, University of Kentucky
    Richard H. Stockbridge*, University of Kentucky
    (854-93-292)
  • 8:00 a.m.
    Numerical methods for an optimal investment-consumption model.
    Ben Fitzpatrick*, University of Tennessee
    Wendell H. Fleming, Brown University
    (854-93-159)
  • 8:30 a.m.
    Computational aspects of feedback control for parabolic evolution systems.
    H. T. Banks*, University of Southern California
    Chunming Wang, University of Southern California
    (854-93-300)
  • 9:00 a.m.
    Parameter estimation in multidimensional moving boundary problems.
    Katherine A. Murphy*, University of North Carolina, Chapel Hill
    (854-65-366)
  • 9:30 a.m.
    Application of RKH space methods to the design of robust controls for linear hereditary systems.
    James A. Reneke*, Clemson University
    Robert E. Fennell, Clemson University
    (854-93-172)
• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Geometric Function Theory in One and Several Complex Variables, III
  

  • 7:00 a.m.
    A variational method for Moebius transformations of starlike mappings.
    Roger W. Barnard*, Texas Tech University
    Glenn Schober, Indiana University, Bloomington
    (854-30-74)
  • 7:25 a.m.
    Two-point distortion for convex univalent functions.
    Seong-A Kim, University of Cincinnati
    David Minda*, University of Cincinnati
    (854-30-105)
  • 7:50 a.m.
    Biholomorphic mappings of the ball onto convex domains.
    Ted J. Suffridge*, University of Kentucky
    (854-32-101)
  • 8:15 a.m.
    Distortion theorem and growth theorem in several complex variables.
    Sheng Gong*, University of Science and Technology of China, People's Republic of China
    (854-32-13)
  • 8:40 a.m.
    Meromorphic typically real functions.
    Evelyn Pupplo-Cody*, University of Kentucky
    (854-30-384)
  • 9:05 a.m.
    Radii problems for generalized sections of convex functions.
    Richard Fournier, Universit\'e de Montr\'eal
    Herb Silverman*, College of Charleston
    (854-30-149)
  • 9:30 a.m.
    Classes of univalent integral operators.
    Sanford S. Miller*, State University of New York, College at Brockport
    Petru T. Mocanu, Babes-Bolyai University, Romania
    (854-30-539)
• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Mathematics and Education Reform, II
  

  • 7:00 a.m.
    Some ideas and programs regarding pre-college mathematics education.
    Richard A. Alo*, University of Houston, Downtown
    (854-97-147)
  • 7:25 a.m.
    Testing, mathematics preparation, and success in college.
    Franklin Demana*, Ohio State University, Columbus
    (854-97-144)
  • 7:50 a.m.
    Problem solving: Mathematicians and teachers working together.
    Thomas Berger*, National Science Foundation
    (854-97-146)
  • 8:15 a.m.
    The university and precollege educational interface: Using master teachers in the university environment.
    Raymond O. Wells, Jr.*, Rice University
    (854-97-164)
  • 8:40 a.m.
    Mathematicians in the elementary school: Curriculum and implementation issues.
    Philip Wagreich*, University of Illinois, Chicago
    (854-96-137)
  • 9:05 a.m.
    Obstacles to change: The implications for undergraduate mathematics of the NCTM standards.
    T. Christine Stevens*, Saint Louis University
    (854-98-139)
  • 9:30 a.m.
    Neglected connections: Teaching mathematics to a changing population.
    Uri Treisman*, University of California, Berkeley
    (854-98-138)
• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Algebraic Geometry, III
  

  • 7:00 a.m.
    A higher-order contact formula for plane curves.
    Susan Jane Colley*, Oberlin College
    Gary Kennedy, Oberlin College
    (854-14-148)
  • 7:30 a.m.
    Automorphisms of Jacobian Kummer surfaces.
    Jonghae Keum*, University of Utah
    (854-14-120)
  • 8:00 a.m.
    On higher Weierstrass points.
    Fernando Cukierman*, University of California, Los Angeles
    Lung-Ying Fong, Brandeis University
    (854-14-481)
  • 8:30 a.m.
    Stratified variations of Hodge structure.
    Donu Arapura*, Purdue University, West Lafayette
    (854-14-285)
  • 9:00 a.m.
    Equivariant K-theory and Chow groups of geometric quotients.
    Angelo Vistoli*, Harvard University
    (854-14-544)
  • 9:30 a.m.
    Rank 2 bundles and double structures on codimension 2 subvarieties.
    J\"urgen Rathmann*, University of California, Los Angeles
    (854-14-508)
• Saturday January 20, 1990, 7:00 a.m.-9:50 a.m.
  AMS Special Session on Optimization and Nonlinear Analysis, II
  

  • 7:00 a.m.
    Herve's theorem for noncompact convex sets.
    S. Swaminathan*, Dalhousie University
    (854-46-73)
  • 7:30 a.m.
    Monotone varational inequalities in reflexive Banach spaces.
    Lynn McLinden*, University of Illinois, Urbana-Champaign
    (854-49-591)
  • 8:00 a.m.
    On the optimal control, relaxation and variational stabililty of nonlinear distributed parameter systems.
    Nikolaos S. Papageorgiou*, University of California, Davis
    (854-49-399)
  • 8:30 a.m.
    Bounds on complexity for nonexpansive fixed points.
    Jonathan Spingarn*, Georgia Institute of Technology
    (854-65-293)
  • 9:00 a.m.
    The contingent cone on the boundary of the set of stable matrices.
    Jim Burke*, University of Washington
    Michael Overton, Courant Institute of Mathematical Sciences, New York University
    (854-15-444)
  • 9:30 a.m.
    Nonsmooth equations and mathematical programs.
    Jong-Shi Pang*, Johns Hopkins University, Baltimore
    (854-90-401)
• Saturday January 20, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Numerical Analysis
  

  • 7:00 a.m.
    On the numerical solution of inverse problems of partial differential equations.
    J. P. Zhu*, State University of New York, Stony Brook
    Y. M. Chen, State University of New York, Stony Brook
    (854-65-281)
  • 7:15 a.m.
    Numerical determination of the well-posedness of boundary value problems.
    David Pollack*, Youngstown State University
    (854-65-378)
  • 7:30 a.m.
    Finding eigenvalues of -delta + q in bold R^ 2 with finite elements that are large for large |x|.
    Al Shenk*, University of California at San Diego, La Jolla
    (854-65-403)
  • 7:45 a.m.
    N-step quadratic convergence of the conjugate gradient method.
    Holly Peters Hirst*, Ohio State University, Columbus
    (854-65-421)
  • 8:00 a.m.
    Grid adaptation for 2-point boundary value problems.
    William C. Connett, University of Missouri, St.\ Louis
    Wojciech Golik, University of Missouri, St.\ Louis
    Alan L. Schwartz*, University of Missouri, St.\ Louis
    (854-65-431)
  • 8:15 a.m.
    Transformation of discrete Runge-Kutta formulas of orders four and five into C^1 formulas.
    Leroy Derr, University of New Orleans
    Diran Sarafyan*, University of New Orleans
    Curtis Outlaw, University of New Orleans
    (854-65-480)
  • 8:30 a.m.
    Modifying relaxation schemes for solving nonlinear boundary value problems.
    Abdul J. Jerri, Clarkson University and Kuwait University, Kuwait
    Russell L. Herman*, Saint Lawrence University
    (854-65-507)
  • 8:45 a.m.
    Generalized two parametric MSOR and AOR methods.
    Saadat Moussavi*, University of Wisconsin, Oshkosh
    (854-65-510)
  • 9:00 a.m.
    An algorithm for finding roots of functions using clustering methods.
    David Goldstein, Los Alamos National Laboratory
    James M. Hyman, Los Alamos National Laboratory
    Sandria N. Kerr*, Winston-Salem State University
    (854-65-561)
  • 9:15 a.m.
    Numerical approximation of the solution for a model 2-D hypersingular integral equation.
    V. J. Ervin*, Clemson University
    (854-65-568)
  • 9:30 a.m.
    Random polynomials.
    Masilamani Sambandham*, Morehouse College
    (854-65-579)
  • 9:45 a.m.
    Convergence of KV-trapezoidal integral formula for cubic spline functions.
    Krishnanand Verma*, University of Wisconsin, Whitewater
    (854-65-612)
• Saturday January 20, 1990, 7:00 a.m.-9:55 a.m.
  AMS Session on Behavioral Sciences, Systems and Control
  

  • 7:00 a.m.
    DNA and regular languages.
    R. W. Gatterdam*, University of Alaska, Fairbanks
    (854-68-205)
  • 7:15 a.m.
    An algorithm for the partitioning problem.
    Henry Potoczny*, Air Force Institute of Technology
    (854-68-323)
  • 7:30 a.m.
    Continued fractions from quadratic equations.
    Bella Wiener*, University of Texas - Pan American University
    (854-98-320)
  • 7:45 a.m.
    A simple pursuit problem and a result from diophantine approximation.
    Rohan Hemasinha, University of West Florida
    David L. Stout*, University of West Florida
    (854-98-436)
  • 8:00 a.m.
    Helping calculus students become more active learners.
    Douglas Underwood*, Whitman College
    (854-98-479)
  • 8:15 a.m.
    The calculus companion.
    Diane L. Johnson*, University of Rhode Island
    Edmund A. Lamagna, University of Rhode Island
    (854-98-576)
  • 8:30 a.m.
    Interacting cells: Automata and continuous counterparts.
    Leah Edelstein-Keshet*, University of British Columbia
    Bard Ermentrout, University of Pittsburgh, Pittsburgh
    (854-92-558)
  • 8:45 a.m.
    Mathematical models for the control of tumor growth by diffusion of mitotic inhibitor.
    S. A. Maggelakis*, Old Dominion University
    J. A. Adam, Old Dominion University
    (854-92-599)
  • 9:00 a.m.
    A mathematical model of retinal processing.
    M. Nouri-Moghadam*, Pennsylvania State University, Lehman
    (854-92-587)
  • 9:15 a.m.
    Nonlinear matrix differential equations and mathematical modelling and simulation.
    John Jones, Jr.*, Air Force Institute of Technology
    (854-93-133)
  • 9:30 a.m.
    Optimal feedback laws for a class of quadratic control problems with random coefficients.
    S. J. Lee*, University of South Florida
    A. N. V. Rao, University of South Florida
    (854-93-346)
  • 9:45 a.m.
    On multi-time method for filtering problems.
    G. S. Ladde, University of Texas, Arlington
    O. Sirisaengtaksin*, University of Houston, Downtown
    (854-93-532)
• Saturday January 20, 1990, 7:00 a.m.-8:50 a.m.
  MAA Committee on Computers in Mathematics Education Panel Discussion
  Providing computer resources for mathematics
• Saturday January 20, 1990, 7:30 a.m.-9:50 a.m.
  AMS Special Session on Linear Operators, Matrix Functions and Control, II
  

  • 7:30 a.m.
    Orthogonal systems related to infinite Hankel matrices.
    Robert L. Ellis*, University of Maryland, College Park
    (854-47-228)
  • 8:00 a.m.
    A review of moment problems.
    H. J. Landau*, AT&T Bell Laboratories, Murray Hill, New Jersey
    (854-42-549)
  • 8:30 a.m.
    Factorization theory and H^infinity optimal control.
    Madanpal S. Verma*, McGill University
    (854-93-541)
  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    Controllability and spectrum assignment in Banach spaces.
    Leiba Rodman*, College of William and Mary
    (854-47-290)
• Saturday January 20, 1990, 7:30 a.m.-9:20 a.m.
  AMS Special Session on Geometric Spectral and Inverse Spectral Problems, III
  

  • 7:30 a.m.
    Pair correlation of eigenvalues.
    Alejandro Uribe*, Institute for Advanced Study and University of Michigan, Ann Arbor
    (854-58-294)
  • 8:00 a.m.
    Functional analysis and the nonlinear dynamics of almost periodic motions.
    Melvyn Berger*, University of Massachusetts, Amherst
    (854-42-47)
  • 8:30 a.m.
    The $overline{\partial}$--Neumann problem and Hodge theory.
    Richard B. Melrose*, Massachusetts Institute of Technology
    Charles L. Epstein, University of Pennsylvania
    (854-32-610)
  • 9:00 a.m.
    The inaudible geometry of nilmanifolds.
    Dennis DeTurck*, University of Pennsylvania
    Herman Gluck, University of Pennsylvania
    Carolyn Gordon, Washington University
    David Webb, Washington University
    (854-53-448)
• Saturday January 20, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #15: Part A
  Mathematica and college teaching
  Organizers:
  Stan Wagon, Smith College and the University of Washington
• Saturday January 20, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #16: Part A
  Starting, funding and sustaining mathematics laboratories
  Organizers:
  Stavros N. Busenberg, Harvey Mudd College and sponsored by the MAA Science Policy Committee
• Saturday January 20, 1990, 7:30 a.m.-9:30 a.m.
  MAA Minicourse #17: Part A
  The informed consumer's instructional guide to graphing calculators
  Organizers:
  John W. Kenelly, Clemson University
  Iris B. Fetta, Clemson University
• Saturday January 20, 1990, 8:00 a.m.-8:55 a.m.
  MAA Session on Classic Classroom Calculus Problems, Part C
  

  • 8:00 a.m.
    Calculus crumbs.
    Homer W. Austin*, Salisbury State University
  • 8:15 a.m.
    Manipulatives for calulus? Of course!
    Gloria S. Dion*, Pennsylvania State University, Ogontz Campus
  • 8:30 a.m.
    How not to land at Lake Tahoe!
    Richard Barshinger*, Pennsylvania State University, Dunmore
  • 8:45 a.m.
    From Pythagoras to Einstein to Hiroshima via \integral f center dot dr.
    Lawrence Braden*, Saint Paul's School
• Saturday January 20, 1990, 8:00 a.m.-9:00 a.m.
  NAM Panel Discussion
  How to make mathematics work for minorities
• Saturday January 20, 1990, 9:00 a.m.-9:55 a.m.
  NAM Business Meeting
• Saturday January 20, 1990, 9:05 a.m.-9:55 a.m.
  MAA Invited Address
  Displacement structure of matrices and operators.
  Thomas Kailath*, Stanford University
• Saturday January 20, 1990, 10:10 a.m.-11:00 a.m.
  AMS-MAA Invited Address
  A century of representation theory of finite groups.
  Charles W. Curtis*, University of Oregon
• Saturday January 20, 1990, 11:00 a.m.-12:00 p.m.
  National Science Foundation
• Saturday January 20, 1990, 12:00 p.m.-12:30 p.m.
  MAA Invited Address
  Developing the teacher's ability to encourage creativity in students, II.
  Arnold E. Ross*, Ohio State University, Columbus
• Saturday January 20, 1990, 12:00 p.m.-1:50 p.m.
  AMS Special Session on Linear Operators, Matrix Functions and Control, III
  

  • 12:00 p.m.
    A resolvent formula for self-adjoint Toeplitz operators on multiply connected domains.
    Kevin F. Clancey*, University of Georgia
    (854-47-355)
  • 12:30 p.m.
    The asymptotic behaviour of bounded semigroups in a Banach algebra.
    Hari Bercovici*, Indiana University, Bloomington
    (854-47-371)
  • 1:00 p.m.
    Ricatti partial differential equations for factoring nonlinear systems.
    Asher Ben-Artzi*, University of California at San Diego, La Jolla
    J. William Helton, University of California at San Diego, La Jolla
    (854-47-557)
  • 1:30 p.m.
    Inner-outer factorization of nonlinear systems.
    J. William Helton*, University of California at San Diego, La Jolla
    (854-47-556)
• Saturday January 20, 1990, 12:00 p.m.-1:10 p.m.
  AMS Special Session on Homotopy Theory, IV
  

  • 12:00 p.m.
    The homology of some mapping spaces.
    Joseph Neisendorfer*, University of Rochester
    (854-55-473)
  • 12:25 p.m.
    A proof of the (n + 1)-ad connectivity theorem.
    Christopher Stover*, University of Chicago
    (854-55-361)
  • 12:50 p.m.
    On the Lie ring analyzer.
    Paul Goerss*, University of Washington
    (854-55-229)
• Saturday January 20, 1990, 12:00 p.m.-3:50 p.m.
  AMS Special Session on Oscillation Theory in Ordinary Differential Equations, II
  

  • 12:00 p.m.
    The current status of Sturm's oscillation theorem.
    Angelo B. Mingarelli*, University of Ottawa
    (854-34-39)
  • 12:30 p.m.
    On Dulac's criterion.
    Yi Li, University of Alberta
    James S. Muldowney*, University of Alberta
    (854-34-374)
  • 1:00 p.m.
    Properties of Green's functions as functions of the boundary points.
    Paul W. Eloe*, University of Dayton
    (854-34-161)
  • 1:30 p.m.
    Two-point boundary value problems for L_ny + py = 0.
    W. J. Kim*, State University of New York, Stony Brook
    (854-34-295)
  • 2:00 p.m.
    Averaging techniques in oscillation theory.
    L. H. Erbe*, University of Alberta
    (854-34-260)
  • 2:30 p.m.
    Nonoscillatory solutions of an ordinary differential equation for radial solutions of a semilinear elliptic equation.
    William F. Trench*, Trinity University
    (854-34-62)
  • 3:00 p.m.
    Oscillations of a delay logistic model.
    Spiridon Kuruklis, University of Rhode Island
    Gerasimos Ladas*, University of Rhode Island
    (854-34-262)
  • 3:30 p.m.
    Oscillatory properties for certain $n^{{\rm th}}$ order differential equations.
    G. G. Hamedani*, Marquette University
    G. S. Krenz, Marquette University
    (854-34-409)
• Saturday January 20, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #10: Part B
  A seminar on women in mathematics
  Organizers:
  Miriam P. Cooney, Saint Mary's College, Notre Dame
• Saturday January 20, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #12: Part B
  An introduction to the mathematical elements of computer graphics
  Organizers:
  Joan Wyzkoski Weiss, Fairfield University
• Saturday January 20, 1990, 12:00 p.m.-2:00 p.m.
  MAA Minicourse #17: Part B
  The informed consumer's instructional guide to graphing calculators
  Organizers:
  John W. Kenelly, Clemson University
  Iris B. Fetta, Clemson University
• Saturday January 20, 1990, 12:00 p.m.-3:10 p.m.
  AMS Session on Numerical Analysis, Probability and Statistics
  

  • 12:00 p.m.
    Fourier analysis on the Sierpinski gasket.
    John Blankenbaker*, University of Texas, Austin
    (854-60-515)
  • 12:15 p.m.
    An identity of value in Poisson random variable and hypergeometric random variable.
    Prem N. Bajaj*, Wichita State University
    (854-60-520)
  • 12:30 p.m.
    A study of stochastic integrodifferential equations.
    Maged Elshamy*, University of Georgia
    (854-60-535)
  • 12:45 p.m.
    Tests based on the number of runs of fixed length.
    Anant P. Godbole*, Michigan Technological University
    (854-62-344)
  • 1:00 p.m.
    Estimation in long memory time series models.
    Sat Gupta*, University of Southern Maine
    (854-62-348)
  • 1:15 p.m.
    A metric for subspaces of bold R^n.
    Lawrence J. Crone*, The American University
    David S. Crosby, The American University
    (854-62-451)
  • 1:30 p.m.
    Importance sampling revisited.
    Timothy C. Hesterberg*, St. Olaf College
    (854-62-609)
  • 1:45 p.m.
    Splitting preconditioners for interval Newton method.
    Chen-Yi Hu*, University of Southwestern Louisiana
    Baker Kearfott, University of Southwestern Louisiana
    (854-65-63)
  • 2:00 p.m.
    Numerical approximation to the two dimensional inverse heat conduction problem.
    Lijia Guo*, University of Cincinnati
    (854-65-71)
  • 2:15 p.m.
    Exact numerical schemes and the three means.
    C. J. Harman*, Darling Downs Institute of Advanced Education, Australia
    (854-65-122)
  • 2:30 p.m.
    On the numerical stability of Volterra integral equations with delay arguments.
    Baruch Cahlon*, Oakland University
    (854-65-166)
  • 2:45 p.m.
    Piecewise polynomial collocation method for weakly singular Hammerstein equations.
    Hideaki Kaneko*, Old Dominion University
    Richard Noren, Old Dominion University
    Yuesheng Xu, Old Dominion University
    (854-65-243)
  • 3:00 p.m.
    Least-squares finite elements for Stokes problem.
    Ching Lung Chang*, Cleveland State University
    (854-65-614)
• Saturday January 20, 1990, 12:00 p.m.-2:40 p.m.
  AMS Session on General Topology and Behavioral Sciences
  

  • 12:00 p.m.
    Cohomological dimensions of DCC categories.
    Charles Ching-an Cheng*, Oakland University
    (854-99-618)
  • 12:15 p.m.
    Completions of continuity spaces.
    D. C. Kent*, Washington State University
    R. D. Kopperman, City College, City University of New York
    (854-54-328)
  • 12:30 p.m.
    On the Wallman ordered compactification of generalized rectangles.
    Margaret A. Gamon*, Gonzaga University
    (854-54-329)
  • 12:45 p.m.
    Plane continua with double or triple midset properties.
    L. D. Loveland*, Utah State University
    (854-54-426)
  • 1:00 p.m.
    A product theorem for the Richardson compactification.
    Raquel Ruiz de Eguino*, Washington State University
    (854-54-327)
  • 1:15 p.m.
    Time distribution analysis for binary search of a linked list.
    Douglas F. Hale, University of Texas of the Permian Basin
    Firooz Khosraviyani*, University of Texas of the Permian Basin
    Mohammad H. Moadab, Odessa College
    (854-68-158)
  • 1:30 p.m.
    A preliminary mathematical model of the apple twig borer and grapes on the Texas high plains.
    Linda J. S. Allen, Texas Tech University
    Monty J. Strauss*, Texas Tech University
    (854-92-16)
  • 1:45 p.m.
    An age-dependent population model and its operator.
    Xun-Cheng Huang*, New Jersey Institute of Technology
    (854-92-09)
  • 2:00 p.m.
    delta-optimal control of nonlinear systems under boundary constraints.
    A. N. V. Rao*, University of South Florida
    C. P. Tsokos, University of South Florida
    (854-93-562)
  • 2:15 p.m.
    Index of faithful normal conditional expectations.
    Sze-Kai Tsui*, Oakland University
    (854-99-622)
  • 2:30 p.m.
    On positive solutions of semilinear elliptic equation on compact manifolds.
    Tiancheng Ouyang*, University of Toledo
    (854-99-623)
• Saturday January 20, 1990, 12:00 p.m.-2:40 p.m.
  AMS Session on Mechanics
  

  • 12:00 p.m.
    Performance analysis of multi-channel queuing models.
    Dinesh Kumar*, University of Southern Maine
    Muhammad El-Taha, University of Southern Maine
    (854-94-567)
  • 12:15 p.m.
    Monotone iterative technique for nonlinear BVP of first order singular differential systems.
    Josaphat A. Uvah*, Louisiana State University, Baton Rouge
    A. S. Vatsala, University of Southwestern Louisiana
    (854-34-616)
  • 12:30 p.m.
    A non-stationary model for earthquake acceleration.
    G. R. Dargahi-Noubary*, Bloomsburg University
    (854-70-223)
  • 12:45 p.m.
    Quantitative simulation of fluid phenomena in 3-D.
    Mohsen Mahmoudi*, Fort Hays State University
    Donald Greenspan, University of Texas, Arlington
    (854-70-606)
  • 1:00 p.m.
    The Cauchy-Poisson waves in an inviscid rotating stratified liquid.
    David Rollins, University of Central Florida
    Lokenath Debnath*, University of Central Florida
    (854-76-129)
  • 1:15 p.m.
    An application of Meijer's G-function in the theory of hydrodynamic stability.
    John Russell*, Florida Institute of Technology
    (854-76-280)
  • 1:30 p.m.
    Numerically induced phase shifts in the Korteweg-deVries soliton.
    C. J. Knickerbocker*, St. Lawrence University
    (854-76-605)
  • 1:45 p.m.
    Product formula for resolvents of normal operators and the modified Feynman integral with a singular complex potential.
    Ant\'onio de Bivar-Weinholtz, Center of Mathematical Foundation, Portugal
    Michel L. Lapidus*, University of Georgia
    (854-81-124)
  • 2:00 p.m.
    Construction of eigenfunctions of the discrete spectrum and principle for selecting eigenvalues for a radial Schr\"odinger operator with nearly Coulomb potential.
    Marianna Shubov*, Texas Tech University
    (854-81-131)
  • 2:15 p.m.
    Properties of minorants in ordered linear spaces.
    Andrzej M. J. Skulimowski*, University of Mining & Metallurgy, Poland
    (854-90-01)
  • 2:30 p.m.
    Vector maximization of generalized concave functions: Connectedness of the Pareto-optimal sets.
    Tim Fosnaugh*, University of Nebraska, Lincoln
    (854-90-583)
• Saturday January 20, 1990, 12:00 p.m.-4:15 p.m.
  MAA Session on Computers in the Classroom: The Time is Right
  

  • 12:00 p.m.
    Computers in multi-variable calculus.
    Victor J. Donnay*, Princeton University (TrueBASIC on Macintosh)
  • 12:20 p.m.
    Visualization in teaching matrix algebra.
    Maurino P. Bautista*, Rochester Institute of Technology (Matlab and NCSA Visualization Tools on Macintosh)
  • 12:40 p.m.
    Using Mathematica Notebooks in multivariable calculus.
    Anne Hudson*, Armstrong State College (Mathematica on Macintosh)
    Ed Wheeler, Armstrong State College (Mathematica on Macintosh)
  • 1:00 p.m.
    The mathematics roller coasters.
    LaDawn Haws*, California State University, Chico (Mathematica on Macintosh)
    Terry Kiser, California State University, Chico (Mathematica on Macintosh)
  • 1:30 p.m.
    Computer generated spirographs.
    Howard Lewis Penn*, United States Naval Academy (Mathematics Plotting Program on IBM)
    Craig K. Bailey, United States Naval Academy (Mathematics Plotting Program on IBM)
  • 1:50 p.m.
    Graphical motivation for limits.
    Harley Flanders*, University of Michigan, Ann Arbor
    Marcelle Bessman, Frostburg State College
  • 2:10 p.m.
    Classroom demonstrations using Acrospin.
    Benny Evans*, Oklahoma State University, Stillwater (Acrospin and Derive on IBM)
    Jerry Johnson, Oklahoma State University, Stillwater (Acrospin and Derive on IBM)
  • 2:30 p.m.
    The effect that the derivative has on its function.
    Cathy Carter*, Christian Brothers College (CalcGraph on IBM)
  • 3:00 p.m.
    Picture of the simplex algorithm.
    Larry Dornhoff*, University of Illinois, Urbana-Champaign (TenCORE on IBM)
  • 3:20 p.m.
    Conjugates and cosets.
    Ladnor Geissinger*, University of North Carolina, Chapel Hill (Exploring Small Groups on IBM)
  • 3:40 p.m.
    Experimental dynamics with CAL 2.0.
    James White*, Kenyon College (CAL on IBM)
  • 4:00 p.m.
    Computers in third semester calculus.
    Paul R. Wellin*, Sonoma State University (Calculus Calculator on IBM)
• Saturday January 20, 1990, 12:30 p.m.-2:00 p.m.
  MAA Calculus Panel Discussion
  Calculus for the twenty-first century
• Saturday January 20, 1990, 12:30 p.m.-2:00 p.m.
  MAA Committee on Placement Examinations Panel Discussion
  The development of calculator-based placement testing
• Saturday January 20, 1990, 12:30 p.m.-2:00 p.m.
  MAA Committee on Two Year Colleges Panel Discussion
  Models of two-year four-year dialogues
• Saturday January 20, 1990, 12:30 p.m.-1:30 p.m.
  National Research Council MS-2000 Project
  A preview of the MS2000 study
• Saturday January 20, 1990, 1:15 p.m.-2:05 p.m.
  AMS Invited Address
• Saturday January 20, 1990, 2:20 p.m.-3:10 p.m.
  AMS Invited Address
  The structure of algebraic threefolds.
  J\'anos Koll\'ar*, University of Utah
  (854-14-34)
• Saturday January 20, 1990, 2:30 p.m.-4:30 p.m.
  MAA Minicourse #11: Part C
  Writing in mathematics courses
  Organizers:
  George D. Gopen, Duke University
  David A. Smith, Duke University
• Saturday January 20, 1990, 2:30 p.m.-4:30 p.m.
  MAA Minicourse #14: Part B
  Creating order out of chaos in freshman mathematics: Instituting a mathematics placement program
  Organizers:
  Linda H. Boyd, DeKalb College and sponsored by the Committee on Placement Examinations
• Saturday January 20, 1990, 2:30 p.m.-4:30 p.m.
  MAA Minicourse #15: Part B
  Mathematica and college teaching
  Organizers:
  Stan Wagon, Smith College and the University of Washington
• Saturday January 20, 1990, 2:30 p.m.-4:30 p.m.
  MAA Minicourse #16: Part B
  Starting, funding and sustaining mathematics laboratories
  Organizers:
  Stavros N. Busenberg, Harvey Mudd College and sponsored by the MAA Science Policy Committee

Sunday January 21, 1990