AMS Meeting Full Program
Current as of Tuesday, April 12, 2005 15:08:40
Program 
Deadlines 
Inquiries: meet@ams.org
1990 Joint Mathematics Meetings
Louisville, KY, January 1720, 1990
Meeting #854
Associate secretaries:
Joseph A Cima, AMS cima@email.unc.edu
Kenneth A Ross, MAA ross@math.uoregon.edu
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
(8542218)

7:30 a.m.
On hereditarily saturated compact group actions.
Elliot C. Gootman*, University of Georgia
Aldo J. Lazar, Tel Aviv University, Israel
(8544635)

8:00 a.m.
Continuous trace groupoid C*algebras.
Paul S. Muhly*, University of Iowa
Dana P. Williams, Dartmouth College
(8544614)

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
(8544624)

9:00 a.m.
Some examples of quantum groups.
Marc A. Rieffel*, University of California, Berkeley
(8544623)

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
(8542836)

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
(8540107)

7:30 a.m.
Dmitrii Egorov and the roots of modern Soviet mathematics.
Charles E. Ford*, Saint Louis University
(85401107)

8:05 a.m.
N. N. Luzin and the persistent problems of set theory.
Roger Cooke*, University of Vermont
(8540121)

8:40 a.m.
The Moscow school in the 1930's.
Sergei S. Demidov*, Soviet Academy of Sciences, USSR
(85401106)

9:25 a.m.
Calculus of variations and differential equations in Lagrange's mathematics 17651785.
Craig Fraser*, University of Toronto
(8540130)

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
(8546808)

7:30 a.m.
Boundaries in ndimensional discrete spaces.
Jayaram K. Udupa*, University of Pennsylvania
(85468254)

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
(8545489)

8:30 a.m.
Transformations of "animals" in E3.
K. Kuperberg*, Auburn University, Auburn
(85457119)

9:00 a.m.
The topological structure of digital images.
Erwin Kronheimer*, Birkbeck College, University of London, England
(8545426)

9:30 a.m.
Topological complexes and finite spaces in computer sciences.
Efim Khalimsky*, Ohio State University, Dayton
(85457191)

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 Hclasses of transformation semigroups.
K. D. Magill, Jr.*, State University of New York, College at Buffalo
(8542027)

7:30 a.m.
CroisotTeissier semigroups, their automorphisms and automorphism groups.
Graham Wood*, University of Canterbury, New Zealand
(8542078)

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
(85420226)

8:30 a.m.
Divisible actions of semigroups.
John A. Hildebrant*, Louisiana State University, Baton Rouge
(85420251)

9:00 a.m.
Minimal degree of arbitrary finite inverse semigroups.
Boris M. Schein*, University of Arkansas, Fayetteville
(85420252)

9:30 a.m.
The lattice of semigroup varieties (updated).
Trevor Evans*, Emory University
(85420617)

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, UrbanaChampaign
(8543541)

7:30 a.m.
Solutions of a higher order heat equation.
Deborah Tepper Haimo*, University of Missouri, St.\ Louis
Clemens Markett, RheinischWestf\"alische Technische Hochschule, Federal Republic of Germany
(85433395)

8:00 a.m.
Application of the Schwarz function to some partial differential equations.
Robert F. Millar*, University of Alberta
(85435238)

8:30 a.m.
Differential and integral equations associated with certain reproducing kernels.
M. Zuhair Nashed*, University of Delaware
(85434543)

9:00 a.m.
Some differential operators which commute with integral operators.
Gilbert G. Walter*, University of Wisconsin, Milwaukee
(85434286)

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
(8540190)

7:15 a.m.
Mathematics in the Vedas.
R. N. Kalia*, Saint Cloud State University
(85401304)

7:30 a.m.
Arthur Buchheim (1859  1888).
J. J. Tattersall*, Providence College
(85401463)

7:45 a.m.
Maximal R. E. equivalence relations.
Jeffrey S. Carroll*, Ithaca College
(85403387)

8:00 a.m.
Applications of WCWO.
Jeffry L. Hirst*, Ohio State University, Columbus
(85403422)

8:15 a.m.
Some results on egenericity and weak truth table degrees.
Richard Blaylock*, University of Illinois, UrbanaChampaign
(85403491)

8:30 a.m.
Systems of combinatory logic related to Quine's "New Foundations".
Melvin Randall Holmes*, State University of New York, Binghamton
(85403524)

8:45 a.m.
On certain measure zero, first category sets.
Kandasamy Muthuvel*, University of Wisconsin, Oshkosh
(85404202)

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
(8540519)

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
(85405181)

9:30 a.m.
Almostplanar graphs.
Bradley Gubser*, Louisiana State University, Baton Rouge
(85405215)

9:45 a.m.
Ramsey functions related to the van der Waerden numbers.
Bruce M. Landman*, University of North Carolina, Greensboro
(85405218)

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
FinitePak  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.
AMSMAA 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 manybody problem.
I. M. Sigal*, University of Toronto and University of California, Irvine
(8548165)

Wednesday January 17, 1990, 10:10 a.m.11:00 a.m.
AMSMAA 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
(85481597)

1:45 p.m.
Limits on the total charge of stable diatomic molecules.
Mary Beth Ruskai*, University of Lowell
(85481123)

2:15 p.m.
Asymptotic neutrality of molecules.
Jan Philip Solovej*, University of Michigan, Ann Arbor
(85481224)

2:45 p.m.
Asymptotic behaviour of the groundstate of large atoms.
Heinz Siedentop*, Technical University Braunschweig, Federal Republic of Germany
(85481253)

3:15 p.m.
Mathematical properties of large atoms.
Luis Seco*, California Institute of Technology
(85481225)

3:45 p.m.
Spin polarized ThomasFermi theory with an external electric field.
Jerome A. Goldstein*, Tulane University
(8543595)

4:15 p.m.
Electron energy level crossings in the timedependent BornOppenheimer approximation.
George A. Hagedorn*, Virginia Polytechnic Institute and State University
(8548149)

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
(8544754)

1:45 p.m.
Some theorems on hyponormal ntuple of operators.
Daoxing Xia*, Vanderbilt University
(8544710)

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
(85447466)

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
(85447350)

3:15 p.m.
Toeplitz and Weyl quantization.
Harald Upmeier*, University of Kansas
(85447233)

Wednesday January 17, 1990, 1:15 p.m.3:05 p.m.
AMS Special Session on Homotopy Theory, I

1:15 p.m.
Amodule 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
(8545567)

1:45 p.m.
Polynomial algebras over the Steenrod algebra and Lannes' division functors.
Robert James Shank*, University of Rochester
(85455204)

2:15 p.m.
On the [pk]series in BrownPeterson homology.
George Nakos*, United States Naval Academy
(85455113)

2:45 p.m.
A generalization of the torus theorem.
Michael Slack*, University of California at San Diego, La Jolla
(85455127)

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
(85432104)

1:45 p.m.
The Schwarz reflection principle in one and several complex variables.
Steve Bell*, Purdue University, West Lafayette
(8543253)

2:15 p.m.
Covariant operators and conformal invariants.
Reuven Harmelin*, TechnionIsrael Institute of Technology, Israel
(8543022)

2:45 p.m.
Existence of separating circles.
David A. Herron*, University of Cincinnati
Xiangyang Liu, University of Cincinnati
David Minda, University of Cincinnati
(8543031)

3:15 p.m.
Geometry of Poincare domains.
Alexander Stanoyevitch*, University of Michigan, Ann Arbor
(8543087)

3:45 p.m.
On the Sendov conjecture for polynomials of degree six.
Johnny E. Brown*, Purdue University, West Lafayette
(8543079)

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
(85432103)

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
(85411467)

1:45 p.m.
Metaplectic forms and number theory.
Jeffrey Hoffstein*, Brown University
(85411447)

2:15 p.m.
Irregularities in the distribution of primes.
John Friedlander*, University of Toronto
(85411588)

2:45 p.m.
Fractional moments of the zetafunction.
Steven Gonek*, University of Rochester
(85411468)

3:15 p.m.
The coefficients of cyclotomic polynomials.
Helmut Maier*, University of Georgia
(85411455)

3:45 p.m.
The second central moment of additive functions.
Jungseob Lee*, Oklahoma State University, Stillwater
(85411231)

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
(85458368)

1:45 p.m.
L^2index theorems for perturbed Dirac operators.
Nicolae Anghel*, University of North Texas
(85458112)

2:15 p.m.
Isospectral families of conformally equivalent Riemannian metrics.
Robert Brooks, University of Southern California
Carolyn Gordon*, Washington University
(85458540)

2:45 p.m.
Geometry and analysis on singular varieties.
Peter Haskell*, Virginia Polytechnic Institute and State University
(85458185)

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
(85458360)

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
(85460476)

1:45 p.m.
Stratonovich stochastic differential equations.
Jaime San Martin*, Purdue University, West Lafayette
(85460236)

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
(85460410)

2:45 p.m.
Symmetries and functions of Markov processes.
Joseph Glover, University of Florida
Joanna Mitro*, University of Cincinnati
(85460460)

3:15 p.m.
Conditional limit distributions of critical branching Brownian motions.
TzongYow Lee*, University of Maryland, College Park
(8546059)

3:45 p.m.
Expected number of level crossings of random curves.
Kambiz Farahmand*, University of Cape Town, Republic of South Africa
(85460126)

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 noncommutative semigroups.
Vitaly Bergelson, Ohio State University, Columbus
Neil Hindman*, Howard University
(85405258)

1:30 p.m.
Finding facehugging Euler tours in plane triangulations.
Jerrold W. Grossman*, Oakland University
(85405267)

1:45 p.m.
Wide posets with fixed height and cutset number.
Andr\'e E. K\'ezdy*, University of Illinois, UrbanaChampaign
Matthew Markert, University of Illinois, UrbanaChampaign
Douglas B. West, University of Illinois, UrbanaChampaign
(85405307)

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
(85405313)

2:15 p.m.
Latin triangles getting bigger.
Carlos Alves*, Trenton State College
(85405417)

2:30 p.m.
Designs on vector spaces over finite fields.
D. K. RayChaudhuri, Ohio State University, Columbus
Erin J. Schram*, Ohio State University, Columbus
(85405425)

2:45 p.m.
Extending matchings in planar graphs.
M. D. Plummer*, Vanderbilt University
(85405430)

3:00 p.m.
The group of automorphisms of some tensor products.
John C. George*, University of Illinois, UrbanaChampaign
(85405488)

3:15 p.m.
A minimization problem on the product of simplices.
Hosien Moghadam*, University of Wisconsin, Oshkosh
(85405511)

3:30 p.m.
Graphs critical with respect to independence number and number of connected components.
Jennifer Zito*, University of Pennsylvania
(85405560)

3:45 p.m.
Small graphical structures with given automorphism group.
William C. Arlinghaus*, Lawrence Technological University
(85405509)

4:00 p.m.
On edgegraceful regular kpartite graphs.
SinMin Lee*, San Jose State University
E. Seah, University of Manitoba
(85405565)

4:15 p.m.
More from hyperfinite lattice theory.
Mai Gehrke*, Vanderbilt University
Klaus Kaiser, University of Houston, Downtown
(85406162)

4:30 p.m.
On prime ideals and associated spectrum of BCKalgebras.
E. Y. Deeba*, University of Houston, Downtown
J. Ahsan, QuaidIAzam University, Pakistan
A. B. Thaneem, QuaidIAzam University, Pakistan
(85406380)

4:45 p.m.
Universal properties of lattice ordered modules.
Mona Cherri*, Texas Woman's University
Wayne B. Powell, Oklahoma State University, Stillwater
(85406517)

5:00 p.m.
Congruence posets of finitary models.
Teo Sturm*, University of Natal, Republic of South Africa
(85408533)

5:15 p.m.
Irrational phrase structure grammars.
Russell Jay Hendel*, Dowling College
(85411177)

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
(85412566)

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
(85413314)

1:45 p.m.
Betti numbers of multigraded modules.
Hara Charalambous*, University of Illinois, UrbanaChampaign
(85413498)

2:00 p.m.
Gorenstein algebras with unimodal $h$sequences.
Mark B. Beintema*, University of South Carolina, Columbia
(85413497)

2:15 p.m.
Isolated elements.
Alan Loper*, Lawrence University
Hiroshi Gunji, University of Wisconsin, Madison
(85413525)

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
(85413602)

2:45 p.m.
Families of plane algebraic curves.
Robert Treger*, Pennsylvania State University, Delaware County Campus
(8541464)

3:00 p.m.
The numerical ranges of operators.
Shuan Hu*, University of Connecticut, Storrs
(85415259)

3:15 p.m.
Geometric properties of distance matrices.
WeiMin Liu*, Indiana UniversityPurdue University, Indianapolis
(85415256)

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
(85415222)

3:45 p.m.
Matrices positive semidefinite on a subspace.
Jim Wells*, University of Kentucky
(85415216)

4:00 p.m.
Identifying identities and idempotents in finite rings by computable means.
William A. Kiele*, United States Air Force Academy
(8541670)

4:15 p.m.
Serial rings with Krull dimension: Primes and localization.
Mary H. Wright*, Southern Illinois University, Carbondale
(85416201)

4:30 p.m.
The Galois cohomology of dihedral groups.
Susan Williamson*, Newton Centre, Massachusetts
(85416241)

4:45 p.m.
Compact rings.
JoAnn Cohen*, North Carolina State University
K. Koh, North Carolina State University
(85416516)

5:00 p.m.
The inverse resistivity problem.
Gilbert Strang*, Massachusetts Institute of Technology
(85415193)

Wednesday January 17, 1990, 1:15 p.m.5:25 p.m.
AMS Session on Number Theory

1:15 p.m.
More on ErdosStraus conjecture.
Mohammad H. Ahmadi*, University of Wisconsin, Whitewater
(85411249)

1:30 p.m.
On the sizes of elements in the complement of a monoid of integers.
Chungwu Ho*, Southern Illinois University, Edwardsville
James L. Parish, Southern Illinois University, Edwardsville
J.S. Shiue, University of Nevada, Las Vegas
(85411271)

1:45 p.m.
A note on B_h(g) sequences.
Zhigang Sun*, Southern Illinois University, Edwardsville
(85411301)

2:00 p.m.
Upsidenumbers.
Robert E. Kennedy*, Central Missouri State University
Curtis N. Cooper, Central Missouri State University
(85411312)

2:15 p.m.
An identity involving N\"orlund polynomials.
C. Snyder*, University of Maine, Orono
(85411324)

2:30 p.m.
On the zeros of a class of Dirichlet series.
Don Redmond*, Southern Illinois University, Carbondale
(85411347)

2:45 p.m.
A complex sum related to Newman polynomials.
Bart Goddard*, University of Nebraska, Lincoln
(85411412)

3:00 p.m.
Formally idempotent series of integers.
Rodney T. Hood*, Franklin College
(85411413)

3:15 p.m.
Decomposition of Pascal's kernels mod p^2.
Richard P. Kubelka*, San Jose State University
(85411464)

3:30 p.m.
A sequence welldispersed on the sphere.
J. P. Lambert*, University of Alaska, Fairbanks
R. Tichy, Technical University of Vienna, Austria
(85411484)

3:45 p.m.
A new lower bound for corresponding residue systems in totally ramified padic fields.
Steven R. Benson*, Saint Olaf College
(85411493)

4:00 p.m.
Belonging to a group polynomial.
Joel Brawley*, Clemson University
David Brown, Clemson University
(85411519)

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
(85411574)

4:30 p.m.
Periodic parity patterns of 3x + 1 conjecture.
Mohammad Riazi*, Fort Hays State University
(85411607)

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
(85412303)

5:00 p.m.
Constructing quaternionic fields of degree 8.
Theresa P. Vaughan*, University of North Carolina, Greensboro
(85412438)

5:15 p.m.
Automorphically isomorphic field extensions.
James K. Deveney*, Virginia Commonwealth University
(85412499)

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 twodimensional operator field.
Djurdjica Takaci*, Institute of Mathematics, Yugoslavia and Virginia Commonwealth University
(85444246)

1:30 p.m.
Multidimensional Hausdorff moment problems.
James D. Chandler, Jr.*, East Carolina University
(85444273)

1:45 p.m.
Some results on associated pairs.
Joyati Debnath*, Winona State University
(85444553)

2:00 p.m.
Stability of Voltera system with impulse effect.
S. Sivasundaram*, EmbryRiddle Aeronautical University
M. Rama Mohana Rao, Indian Institute of Technology, India
(8544568)

2:15 p.m.
Asymptotic behavior of solutions to a class of timedependent Volterra equations.
Sergiu Aizicovici*, Ohio University, Athens
Stig Olof Londen, Helsinki University of Technology, Finland
Simeon Reich, University of Southern California
(85445189)

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
(85445219)

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
(85445244)

3:00 p.m.
An inverse boundary problem for the heat equation.
Wojciech Golik*, University of Missouri, St.\ Louis
(85445547)

3:15 p.m.
Mackey convergence and sequentially webbed spaces.
Thomas E. Gilsdorf*, University of Wisconsin, River Falls
(85446217)

3:30 p.m.
New generalized function of K'(M_p) type.
Arpad Takaci*, Institute of Mathematics, Yugoslavia and Virginia Commonwealth University
(85446245)

3:45 p.m.
RadonNikodym properties associated with subsets of discrete abelian groups.
Patrick N. Dowling*, Miami University, Oxford
(85446279)

4:00 p.m.
Closability of differentiation in the uniform norm.
Thomas R. Fanney*, Virginia Wesleyan College
(85447332)

4:15 p.m.
Pairs of separating vectors and reflexivity.
Lifeng Ding*, University of Georgia
(85447372)

4:30 p.m.
Approximation and fixed point theorems on cone in ordered Banach spaces.
YuhChing Chen, Fordham University
Li Guozhen*, Jianxi Normal University, People's Republic of China
(8544703)

4:45 p.m.
Invariant operator ranges of strictly cyclic algebras.
Ben Mathes*, Dalhousie University
(85447615)

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
(85446340)

1:30 p.m.
Composition of distributions.
Piotr Antosik*, New Mexico State University, Las Cruces
(85446592)

1:45 p.m.
A stone approximation theorem for TMpartition spaces.
Hueytzen J. Wu*, Texas A\thsp\&\thsp I University, Kingsville
(85446596)

2:00 p.m.
Some recent results on the structure of certain simple C*algebras.
Shuang Zhang*, University of Kansas
(85446608)

2:15 p.m.
Joint maximal spatial numerical range and tensor products.
Ram Verma*, University of Central Florida
(8544757)

2:30 p.m.
On the decomposability of multiplication operators and multipliers.
Michael M. Neumann*, Mississippi State University
(85447315)

2:45 p.m.
Multiplicity and uniformization maps.
John Spraker*, Western Kentucky University
(85447373)

3:00 p.m.
Strongly dense simultaneous similarity orbits of operators.
Jose Barria*, Santa Clara Univesity
(85447379)

3:15 p.m.
HilbertSchmidt Hankel operators on the Fock space.
Karel Stroethoff*, University of Montana
(85447482)

3:30 p.m.
Continuity properties of hyperlat and reducing subspaces.
A. A. Jafarian*, University of Victoria
A. R. Sourour, University of Victoria
(85447504)

3:45 p.m.
Sums of homomorphisms on Banach lattices.
David C. Carothers*, Hope College
William A. Feldman, University of Arkansas, Fayetteville
(85447506)

4:00 p.m.
Closure of invertible operators on a Hilbert space.
Richard Bouldin*, University of Georgia
(85447531)

4:15 p.m.
A parametrization of canonically Koszul invertible pairs.
Ximena Catepillan*, University of Iowa
(85447545)

4:30 p.m.
On the solvability of functional equations involving maccretive operators perturbed by compact mappings.
Claudio Morales*, University of Alabama, Huntsville
(85447572)

4:45 p.m.
Second order differential inclusions at resonance.
Dan D. Pascali*, National Science Foundation
(85447604)

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
(85411212)

1:30 p.m.
Iwasawa theory of elliptic curves with additive reduction.
John W. Jones*, University of Texas, Austin
(85411206)

1:45 p.m.
Gradations and structure of KacMoody algebras.
SeokJin Kang*, Yale University
(85417183)

2:00 p.m.
The local KonstantPBW ordering: Inductive properties.
Robert W. Deckhart*, Northern Arizona University
(85417283)

2:15 p.m.
Grassmann extension of a Lie algebra.
Jerzy Kocik*, Southern Illinois University, Carbondale
(85417381)

2:30 p.m.
Algebras with a nilpotent derivation.
David R. Finston*, Virginia Commonwealth University
(85417489)

2:45 p.m.
Automorphism groups of noncommutative matrix Jordan algebras.
Robert B. Brown, Ohio State University, Columbus
Nora C. Hopkins*, Indiana State University
(85417523)

3:00 p.m.
Crossed modules as Gcategories.
Robert Gordon*, Temple University, Philadelphia
(85418439)

3:15 p.m.
A characterization of semisimple semigroups.
Eric E. Lund*, University of Iowa
(8542098)

3:30 p.m.
The lattice of completely regular monoid varieties.
Colleen Vachuska*, Marquette University
(85420132)

3:45 p.m.
Nilsemigroups on trees.
P. A. Grillet*, Tulane University
(85420250)

4:00 p.m.
How Hamiltonian can a finite group be?
Gary J. Sherman*, RoseHulman Institute of Technology
Thomas J. Tucker, Harvard University
Mark E. Walker, New Mexico State University, Las Cruces
(85420277)

4:15 p.m.
Torsioncompact groups.
Temple H. Fay, University of Southern Mississippi
Gary L. Walls*, University of Southern Mississi
(85420278)

4:30 p.m.
Cgroups.
George Yeh*, State University of New York, Binghamton
(85420309)

4:45 p.m.
A closure operation for Lockert classes.
Benjamin Brewster*, State University of New York, Binghamton
(85420310)

5:00 p.m.
Inner plethysm in the representation ring of some classical groups.
Essam Abotteen*, Emporia State University
(85420318)

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 CollegeLevel 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.
AMSMAA 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.
AMSMAA 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

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
(85481116)

7:30 a.m.
Time dependent treatment of radiation conditions in quantum scattering.
Ira Herbst*, National Science Foundation
Erik Skibsted, Aarhus University, Denmark
(85481188)

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
(85458155)

8:30 a.m.
Equivalence of subcritical properties for the Schrodinger operator.
Z. Zhao*, University of Missouri, Columbia
(85460264)

9:00 a.m.
Extremals of functionals with competing symmetries.
Eric Carlen, Princeton University
Michael Loss*, Georgia Institute of Technology
(85481200)

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
(85481169)

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 WienerHopf operators and the Kgroups of Toeplitz algebras of Reinhardt domains.
Albert JeuLiang Sheu*, University of Kansas
(8544646)

7:30 a.m.
Bishop's property (beta) and functional models.
Ernst Albrecht*, Universit\"at des Saarlandes, Federal Republic of Germany
(85447356)

8:00 a.m.
Spectral pictures of Reinhardt measures.
Keren Yan*, Indiana UniversityPurdue University, Indianapolis
(85447351)

8:30 a.m.
Quotients of the Hardy Hilbert modules.
Ronald G. Douglas*, State University of New York, Stony Brook
(8544793)

9:00 a.m.
Generalized rational hulls.
Gustavo Corach*, Instituto Argentino de Matem\'atica, Argentina
(85446349)

9:30 a.m.
Composition operators on H2(B).
Warren R. Wogen*, University of North Carolina, Chapel Hill
(85447184)

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
(85439110)

7:30 a.m.
Functional equations and distributions.
John A. Baker*, University of Waterloo
(85439198)

8:00 a.m.
Small solutions of f(x+f(y)) = f(x+y).
T. M. K. Davison*, McMaster University
(85439232)

8:30 a.m.
The BinetCauchy functional equation and nonsingular multiindexed matrices.
Konrad J. Heuvers*, Michigan Technological University
Daniel S. Moak, Michigan Technological University
(8543920)

9:00 a.m.
Belousov equations on binary and ternary quasigroups.
A. Krapez, Mathematical Institute, Yugoslavia
M. A. Taylor*, Acadia University
(85439190)

9:30 a.m.
A class of discontinuous associative functions.
Gerianne M. Krause*, San Francisco State University
(85439555)

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
(85430186)

7:25 a.m.
An extreme absolutely continuous RPmeasure.
John N. McDonald*, Arizona State University
(8543060)

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
(85430118)

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
(85432117)

8:40 a.m.
Line bundle convexity of pseudoconvex domains in complex manifolds.
Karen R. Pinney*, University of Kentucky
(85432102)

9:05 a.m.
On a problem of A. Hurwitz.
Carlos A. Berenstein*, University of Maryland, College Park
Ahmed Sebbar, University of Bordeaux, France
(8543088)

9:30 a.m.
Linear fractional transformations of circular domains in operator spaces.
Lawrence A. Harris*, University of Kentucky
(85446134)

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
(85496136)

7:25 a.m.
The role of teachers in mathematics education reform.
Joseph Rosenstein*, Rutgers University, New Brunswick
(85497141)

7:50 a.m.
Creative involvement of the very young.
Arnold Ross*, Ohio State University, Columbus
(85497140)

8:15 a.m.
Programs for mathematically talented city elementary and high school students.
Paul J. Sally, Jr.*, University of Chicago
(85497542)

8:40 a.m.
Teaching via problemsolving in a semidirected format.
Bert Fristedt*, University of Minnesota, Minneapolis
(85498143)

9:05 a.m.
Can we maintain our research programs and still do something useful for school mathematics?
C. Herbert Clemens*, University of Utah
(85498145)

9:30 a.m.
The role of mathematicians in state coalitions.
Harvey B. Keynes*, University of Minnesota, Minneapolis
(85498142)

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 onetoone transformations.
Inessa Levi*, University of Louisville
W. Wiley Williams, University of Louisville
(85420358)

7:30 a.m.
One relator inverse monoids and rational subsets of one relator groups.
J. B. Stephen*, Northern Illinois University
(85420462)

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
(85420474)

8:30 a.m.
Free products of inverse semigroups.
Peter R. Jones*, Marquette University
(85420483)

9:00 a.m.
On congruences and congruence lattices of G_Xnormal semigroups.
Inessa Levi, University of Louisville
Steven Seif*, University of Louisville
(85420603)

9:30 a.m.
The P(G)= BG conjecture.
John Rhodes*, University of California, Berkeley
(85499611)

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 closedform Bergman kernels for secondorder partial differential equations in two complex variables.
Erwin O. Kreyszig*, Carleton University
(8543581)

8:00 a.m.
Characterizing solutions to a class of elliptic PDE's.
Peter A. McCoy*, United States Naval Academy
(85435235)

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
(85435287)

9:00 a.m.
Predictability in the absence of chaos.
John W. Neuberger*, University of North Texas
(8542680)

9:30 a.m.
Dimensionality of invariant sets for nonautonomous processes.
Tepper L. Gill, Howard University
W. W. Zachary*, Howard University
(8543592)

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
(85435125)

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
(8545815)

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
(85435475)

8:30 a.m.
Determinants of Laplacians on Riemannian surfaces.
Hala Halim Khuri*, University of California, Santa Cruz
(85458192)

9:00 a.m.
The Riemannzeta function and the WeylBerry conjecture for fractal drums.
Michel L. Lapidus*, University of Georgia
Carl Pomerance, University of Georgia
(8543586)

9:30 a.m.
Spectral theory for Dirac operators on manifolds with corners and Etainvariants.
Werner M\"uller*, Institute for Advanced Study
(85458571)

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
(8542269)

7:15 a.m.
The structure of the space of coadjoint orbits of an exponential lie group.
Bradley Currey*, Saint Louis University
(85422111)

7:30 a.m.
Resolution of the multiplicity problem for GL(N,C) using shift operators.
Randall Gordon Wills*, University of Iowa
(85422432)

7:45 a.m.
Semitopological groups.
Ellen L. Clay*, University of Southwestern Louisiana
(85422449)

8:00 a.m.
A sufficient condition for the equality of Hausdorff and fractal dimension for a class of selfaffine fractal sets.
Steve Gilbert, West Georgia College
Peter R. Massopust*, West Georgia College
(85426242)

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
(85426585)

8:30 a.m.
Representation of functionals as generalized integrals.
P. C. Deliyannis*, Illinois Institute of Technology
(85428334)

8:45 a.m.
Nonconstant dimensions based on Henstock integration.
Steve Gibert*, West Georgia College
(85428339)

9:00 a.m.
Duality theory for cardinal algebras.
R. M. Shortt*, Wesleyan University
(85428389)

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
(8543004)

9:30 a.m.
Pluriharmonic maps on the unit ball of C^n.
Abdul Hadi, Kuwait University, Kuwait
Yu AbuMuhanna*, Kuwait University, Kuwait
M. Marzuq, Kuwait University, Kuwait
(8543044)

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
(85412257)

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
(85420336)

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
(85420365)

7:30 a.m.
On the isomorphism problem for twogenerator onerelator groups.
Todd Haynes, Vanderbilt University
John Ratcliffe*, Vanderbilt University
(85420414)

7:45 a.m.
The trace functions as an extension of group character theory.
Kenneth W. Johnson*, Iowa State University
(85420478)

8:00 a.m.
On classifying free Bieberbach groups.
Raymond F. Tennant*, Canisius College
(85420442)

8:15 a.m.
On the group of units of matrix ring over finite local ring.
Chul Kim*, North Carolina State University
(85420437)

8:30 a.m.
On dualstandard subgroups.
Giovanni Zacher*, Miami University
(85420529)

8:45 a.m.
Nonnormal projectivities of metacyclic pgroups.
Charles Holmes*, Miami University
(85420530)

9:00 a.m.
P_G  subgroups and X  system normalizers.
Mark C. Hofmann*, Skidmore College
(85420534)

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
(85420582)

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
(8542055)

9:45 a.m.
A new species of local motion.
Ray Killgrove*, California State University, Los Angeles
Carl Gordon, California State University, Los Angeles
(85451536)

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
(85434175)

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
(85434179)

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
(85434221)

7:45 a.m.
Continuous spectrum eigenfunction expansions for ordinary and partial differential operators.
Robert M. Kauffman*, University of Alabama, Birmingham
(85434248)

8:00 a.m.
Characteristic multipliers of periodic solutions of singularly perturbed delay equations.
Jiangping Fan*, Brown University
John MalletParet, Brown University
(85434266)

8:15 a.m.
Disfocality criteria for linear difference equations.
Timothy Peil*, University of Nebraska, Lincoln
Allan Peterson, University of Nebraska, Lincoln
(85434305)

8:30 a.m.
Sampling expansions associated with ordinary differential equations.
Nasser Dastrange*, Buena Vista College
(85434326)

8:45 a.m.
A two point connection problem for a certain nth order ordinary homogeneous differential equation.
T. K. Puttaswamy*, Ball State University
(85434345)

9:00 a.m.
Asymptotic behavior of a competing species model with timevarying coefficients.
V. W. Noonburg*, University of Hartford
(85434388)

9:15 a.m.
On lower bounds of eigenvalues for fourth order boundary value problem with a singularity.
Hyun J. Ahn*, Loyola Marymount University
(85434450)

9:30 a.m.
Stability analysis of systems of stochastic differential equations.
G. S. Ladde*, University of Texas, Arlington
(85434495)

9:45 a.m.
Essential extensions of finitedimensional simple sl(2,C) modules.
Randall P. Dahlberg*, Seton Hall University
(85416331)

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
(85435311)

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
(85435306)

7:30 a.m.
Some approximation theorems for linear and nonlinear firstorder equations governed by linear C_0semigroups.
Seth F. Oppenheimer*, Mississippi State University
(85435317)

7:45 a.m.
Partial differential equations with piecewise constant delays.
Joseph Wiener*, University of Texas  Pan American University
(85435319)

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
(85435391)

8:15 a.m.
Quenching for parabolic mixed boundaryvalue problems.
C. Y. Chan, University of Southwestern Louisiana
Shannon S. Cobb*, University of Southwestern Louisiana
(85435392)

8:30 a.m.
Unstability of nonnegative solutions for a class of semipositone problems.
K. J. Brown, HeriotWatt University, Scotland
R. Shivaji*, Mississippi State University
(85435393)

8:45 a.m.
Approximation of differentiable functions by C^infinity functions.
William Margulies*, California State University, Long Beach
(85435396)

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
(85432194)

7:15 a.m.
Holomorphic extension of proper meromorphic mappings.
Stephen A. Chiappari*, University of Illinois, UrbanaChampaign
(85432284)

7:30 a.m.
Generators and relations for some cyclic quotient singularities in C^3.
Mary B. Eron*, Bates College
(85432512)

7:45 a.m.
Embedding analytic bigmanifolds in uniform algebra spectra.
Toma V. Tonev*, University of Toledo
(85432527)

8:00 a.m.
Bounds for largest and smallest zeros of orthogonal polynomials.
Mourad E. H. Ismail*, University of South Florida
(8543383)

8:15 a.m.
Zeros of orthogonal polynomials and Mellin transforms.
George T. Gilbert*, Saint Olaf College
(85433160)

8:30 a.m.
Generalized Chebyshev polynomials.
H. B. Coonce, Mankato State University
R. A. Strachan, Mankato State University
Mary Wiest*, Mankato State University
(85433247)

8:45 a.m.
Asymptotics of Racah coefficients and polynomials.
LiChen Chen*, Beloit College
Mourad E. H. Ismail, University of South Florida
(85433404)

9:00 a.m.
Contiguous relations, continued fractions, and orthogonal polynomials II.
Carl Libis*, Arizona State University
(85433514)

9:15 a.m.
Polya Turan inequalities for Jensen polynomials.
Carl Prather*, Virginia Polytechnic Institute and State University
(85433554)

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
(85433578)

9:45 a.m.
Continuous dependence of nonmonotonic discontinuous differential equations.
Daniel C. Biles*, Western Kentucky University
(85434151)

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
(85430130)

7:15 a.m.
Some results on univalent functions with quasiconformal extensions.
Paul Jeffry Deiermann*, Shreveport, Louisiana
(85430153)

7:30 a.m.
The L^p PhragmenLindeloef theorem.
Ruben N. Mera*, University of Puerto Rico, Humacao College
(85430220)

7:45 a.m.
Harmonic mappings and applications to minimal surfaces.
Sook Heui Jun*, Indiana University, Bloomington
(85430333)

8:00 a.m.
Univalent functions with range of prescribed transfinite diameter.
Robin Cunningham*, University of Michigan, Ann Arbor
(85430383)

8:15 a.m.
A note on neighborhoods of analytic functions having positive real part.
Janice B. Walker*, Xavier University
(85430416)

8:30 a.m.
Extension domain.
Ghamsari Manouchehr*, University of Michigan, Ann Arbor
(85430452)

8:45 a.m.
The generalized Riemann integral and its applications to various generalizations of the CauchyGoursat theorem.
Rao V. Nagisetty*, University of Toledo
(85430454)

9:00 a.m.
The Poincare inequality: A necessary and sufficient condition.
Valentin V. Andreev*, University of Michigan, Ann Arbor
(85430469)

9:15 a.m.
Some results concerning spirallikeness of a class of analytic functions.
O. P. Ahuja*, University of California, Davis
(85430505)

9:30 a.m.
Cyclic vectors for invariant subspaces in some classes of analytic functions.
A. Matheson*, Lamar University
(85430586)

9:45 a.m.
Boundary behavior of solutions of the Helmholtz equation.
Robert Berman, Wayne State University
David Singman*, George Mason University
(85431394)

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*, RoseHulman 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
FinitePak  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 CollegeLevel 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 UWO.
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.
AMSMAA 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
(8544766)

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 supercritical Sobolev exponents.
Yu Qingyu*, Lanzhou University, People's Republic of China and Memphis State University
Ma Tian, Lanzhou University, People's Republic of China
(85435418)

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
(85435424)

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
(85435428)

2:00 p.m.
Solution of a RiemannHilbert problem by using a Fredholm integral equation.
T. Aktosun*, University of Texas, Dallas
C. van der Mee, University of Delaware
(85435500)

2:15 p.m.
Scattering and the Stark effect with almost periodic potentials.
Denis A. W. White*, University of Toledo
(85435521)

2:30 p.m.
Semigroup linearization for nonlinear parabolic equations.
James F. Epperson*, University of Alabama, Huntsville
(85435573)

2:45 p.m.
Uniqueness property of wave equations.
Kanghui Guo*, Southwest Missouri State University
(85435589)

3:00 p.m.
Fixed points of asymptotically linear maps and applications to PDEs.
Shouchuan Hu*, Southwest Missouri State University
(85435593)

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 KacFeynman integral equation for conditional Wiener integrals.
Chull Park, Miami University, Oxford
David Skoug*, University of Nebraska, Lincoln
(85460208)

1:30 p.m.
Setting the stage for a more general ProkhorovLeCam theorem: C_b (X)^* for a general class of topological spaces X.
John M. Morrison*, University of Delaware
(85460209)

1:45 p.m.
Strong consistency in regression.
B. B. Bhattacharyya, North Carolina State University
G. D. Richardson*, University of Central Florida
(85462419)

2:00 p.m.
Optimal control of linear timevarying systems with quadratic cost functional via shifted Chebyshev polynomials.
Mohsen Razzaghi*, Mississippi State University
(85493316)

2:15 p.m.
Differential stability in nonLipschitzian optimization.
Doug Ward*, Miami University, Oxford
(8549058)

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
TaSun Wu, Case Western Reserve University
(85422337)

2:45 p.m.
Boundary value problems for multisolute flow in a nephron of the kidney.
J. B. Garner*, Mississippi State University
(85434330)

3:00 p.m.
On solutions of some singular, nonlinear 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
(85434420)

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
(85446443)

1:30 p.m.
A Wold decomposition for endomorphisms of $B(\cal H)$.
Marcelo E. Laca*, University of Calgary
(85446485)

1:45 p.m.
Some examples related to the atomic space problem.
Margaret L. Reese*, St. Olaf College
(85446487)

2:00 p.m.
Type and cotype in MusielakOrlicz spaces.
A. Kami\'nska, Memphis State University and A. Mickiewicz University, Poland
B. Turett*, Oakland University
(85446492)

2:15 p.m.
A new fixed point property for L_1.
Christopher J. Lennard*, University of Pittsburgh, Pittsburgh
(85446559)

2:30 p.m.
Amenable semigroup algebras.
John Duncan*, University of Arkansas, Fayetteville
Alan Paterson, University of Mississippi
(85446577)

2:45 p.m.
On subsets of a Hilbert space that have finite Hausdorff's or fractal dimension.
Victor Shubov*, Texas Tech University
(8544682)

3:00 p.m.
A topological approach to a problem in geometric function theory.
Massoud Jahangiri*, University of California, Davis
(8544699)

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
(85439157)

1:30 p.m.
The integrated Cauchy functional equation on semigroups and its applications.
KaSing Lau, University of Pittsburgh, Pittsburgh
WeiBin Zeng*, University of Louisville
(85439297)

1:45 p.m.
Approximately mulitplicative functions.
Dwayne Dicks*, University of Waterloo
(85439302)

2:00 p.m.
Nonhomogeneous Cauchy functional equations and their uses.
Donald R. Snow*, Brigham Young University
(85439595)

2:15 p.m.
Cauchy criteria for Rtype summability method.
Jeff Connor*, Ohio University, Athens
(85440513)

2:30 p.m.
On monotone approximation.
George A. Anastassiou*, Memphis State University
(8544184)

2:45 p.m.
On some LP inequalities and their applications to best approximation theory.
TeckCheong Lim*, George Mason University
(8544194)

3:00 p.m.
Sampling series approximation for differentiable functions of polynomial growth.
Selvaratnam Sridharma*, Northern Michigan University
(85441276)

Thursday January 18, 1990, 1:15 p.m.3:10 p.m.
NAM Contributed Paper Session

Thursday January 18, 1990, 1:15 p.m.2:45 p.m.
MAA Committee on TwoYear 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.
SunYung Alice Chang*, University of California, Los Angeles
(85435570)

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.
AMSMAA 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
(85446240)

7:30 a.m.
The death of an index theorem.
Robin Harte*, University of Alaska, Fairbanks
Manuel Gonzalez, Santander, Spain
(85447199)

8:00 a.m.
Operator theory and mean oscillation in the Bergman metric.
Lewis A. Coburn*, State University of New York, College at Buffalo
(8544776)

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. PecuchHerrero, Arizona State University
(85447230)

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. PecuchHerrero, Arizona State University
(85447227)

9:30 a.m.
Polynomially subnormal tuples of operators.
Edwin Franks*, University of California at San Diego, La Jolla
(85447459)

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
(85439322)

7:30 a.m.
Cauchy's equation on cap delta^+.
Thomas Riedel*, University of Massachusetts, Amherst
(8543940)

8:00 a.m.
Sum form functional equation of multiplicative type.
PL. Kannappan, University of Waterloo
P. K. Sahoo*, University of Louisville
(8543961)

8:30 a.m.
Functional equations in characterising additive and nonadditive meanvalue measures of information for noiseless and noisy channels.
Bhu Dev Sharma*, Xavier University of Louisiana
(8549448)

9:00 a.m.
Weighted entropies.
PL Kannappan*, University of Waterloo
(85439109)

9:30 a.m.
Hairpins and signed doubly stochastic measures.
Michael D. Taylor*, University of Central Florida
(85460108)

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
(8549342)

7:30 a.m.
Differential Riccati equations in Hilbert space with unbounded coefficients.
Irena Lasiecka*, University of Virginia
(8544956)

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
(85493115)

8:30 a.m.
Analysis and computations in some nonlinear distributed control problems.
Srdjan Stojanovic*, University of Cincinnati
(85435171)

9:00 a.m.
Exact controllability and uniform stabilization of a Kirchoff plate with only one active control.
Roberto Triggiani*, University of Virginia
(85493594)

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
(85493359)

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: Pointset to digital to domain theory.
George M. Reed*, University of Oxford, England
(85468408)

7:30 a.m.
Tests for connectivity preservation.
Richard W. Hall*, University of Pittsburgh, Pittsburgh
(85468255)

8:00 a.m.
A digital fundamental group.
T. Y. Kong, Queens College, City University of New York
A. W. Roscoe*, Oxford University, England
(85468407)

8:30 a.m.
Pointset, algebraic, geometric topology in image recognition.
Monique L. Pavel*, Universit\'e de Paris, France
(85468405)

9:00 a.m.
Topology preservation in 3D image thinning.
T. Y. Kong*, Queens College, City University of New York
(85468598)

9:30 a.m.
A Jordan curve theorem for locally Hamiltonian planar graphs.
Victor NeumannLara, University National Autonoma of Mexico, Mexico
Richard G. Wilson*, University Autonoma Metropolitana, Mexico
(85468406)

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
(85414377)

7:30 a.m.
On (mu)=const deformations.
Yakov Karpishpan*, Johns Hopkins University, Baltimore
(85414203)

8:00 a.m.
Two characteristic numbers for smooth plane curves of any degree.
Paolo Aluffi*, Oklahoma State University, Stillwater
(85414150)

8:30 a.m.
NoetherLefschetz locus for surfaces.
SungOck Kim*, Providence, Rhode Island
(85414165)

9:00 a.m.
Orbits of plane curves.
Carel Faber*, University of Chicago
Paolo Aluffi, Oklahoma State University, Stillwater
(85414239)

9:30 a.m.
Topology of moduli spaces of semistable torsion free rank two sheaves on elliptic surfaces.
Kieran O'Grady*, Columbia University
(85414275)

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
(85460502)

7:30 a.m.
Lyapunov exponent and rotation number of linear systems with multiplicative real noise.
Mark A. Pinsky*, Northwestern University
(8546011)

8:00 a.m.
Potential theory of reflecting Brownian motion.
Rich Bass, University of Washington
Pei Hsu*, Northwestern University
(85460402)

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
(85460152)

9:00 a.m.
The stationary distribution of the infinitelymanyneutralalleles diffusion model with parentdependent mutation.
S. N. Ethier*, University of Utah
(85460354)

9:30 a.m.
Nonlinear stochastic integrators.
Ren\'e Carmona*, University of California, Irvine
(85460590)

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
(85442343)

7:15 a.m.
Spherical harmonics and a singular integral.
Javad Namazi*, Fairleigh Dickinson University, Madison
(85442538)

7:30 a.m.
A ParsevalGoldstein type theorem and its applications.
Osman Y\"urekli*, Ithaca College
(85444196)

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
(85444213)

8:00 a.m.
Dentability, trees, and DunfordPettis operators on L_1.
Maria Girardi*, University of Illinois, UrbanaChampaign
(85446282)

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
(85446342)

8:30 a.m.
Type and cotype in vector valued function spaces.
Anna Kami\'nska*, Memphis State University
(85446385)

8:45 a.m.
Finite codimensional ideals in Banach algebras with one generator.
Krzysztof Jarosz*, Southern Illinois University, Edwardsville
(85446429)

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.
Computergenerated 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 5Day Workshops Panel Discussion
MAA Section 5Day 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.
AMSMAASIAM 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.
AMSMAA Invited Address
Nonwellfounded 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.
MERMSEB 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 ClaytorWoodard 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
(85447601)

12:30 p.m.
A maximum entropy principle in the general framework of the band method.
I. Gohberg, TelAviv University, Israel
M. A. Kaashoek*, Vrije Universiteit, The Netherlands
H. J. Woerdeman, University of California at San Diego, La Jolla
(85447289)

1:00 p.m.
Interpolation and completion problems: An abstract approach.
Joseph A. Ball*, Virginia Polytechnic Institute and State University
(85447353)

1:30 p.m.
The spectral NevanlinnaPick interpolation problem.
Hari Bercovici, Indiana University, Bloomington
Ciprian Foias*, Indiana University, Bloomington
Allen Tannenbaum, University of Minnesota, Minneapolis and Israel Institute of Technology, Israel
(85447352)

2:00 p.m.
Commutant lifting in Krein spaces.
Louis de Branges*, Purdue University, West Lafayette
(8544717)

2:30 p.m.
Extension theorems for contraction operators on Krein spaces.
Michael A. Dritschel, Purdue University, West Lafayette
James Rovnyak*, University of Virginia
(85447288)

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 nsphere Schrodinger theory: Inverse spectral problem and rigidity.
David Gurarie*, Case Western Reserve University
(8543506)

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
(8544738)

1:00 p.m.
On the span of squared eigenfunctions.
John Sylvester*, University of Washington
(85435168)

1:30 p.m.
L^Pestimates for the Schr\"odinger equation.
JL. Journ\'e, Princeton University
A. Soffer*, Princeton University
C. Sogge, Princeton University
(85481357)

2:00 p.m.
Reconstruction in the inverse scattering problem at fixed energy.
Adrian I. Nachman*, University of Rochester
(85435367)

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
(85434154)

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
(85455458)

12:30 p.m.
Root invariants and v_1periodic families.
Hal Sadofsky*, Massachusetts Institute of Technology
(85455364)

1:00 p.m.
Some v_2periodic homotopy in S^3.
Mark Mahowald*, Northwestern University
(85455261)

1:30 p.m.
Some unstable v_2periodic homotopy classes.
Mark Mahowald, Northwestern University
Robert Thompson*, Northwestern University
(85455461)

2:00 p.m.
The homotopy type of Spec Z[1/p].
W. G. Dwyer*, University of Notre Dame
E. M. Friedlander, Northwestern University
(85455263)

2:30 p.m.
On the v_1periodic homotopy of S^3.
Frederick R. Cohen*, University of Rochester
(85455472)

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
(8544328)

12:30 p.m.
Distributions on Heisenberg groups.
Raymond Fabec*, Louisiana State University, Baton Rouge
(8542277)

1:00 p.m.
Triangular AF algebras.
Justin R. Peters*, Iowa State College, Ames
(8544629)

1:30 p.m.
Ktheory for Frechet algebras.
N. Christopher Phillips*, University of Georgia
(8544650)

2:00 p.m.
Finite groups, groupoids and hypergroups from a C*algebra viewpoint.
Martin Walter*, University of Colorado, Boulder
(8542051)

2:30 p.m.
Nonmonomial 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
(8542245)

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
(85401234)

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
(85401268)

1:15 p.m.
Ninetyfour years ago and now.
Marcia Ascher*, Ithaca College
(8540137)

1:50 p.m.
Mathematics as a profession in ancient Maya society.
Michael Closs*, University of Ottawa
(85401470)

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
(85401135)

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
(85434121)

12:30 p.m.
Positive solutions and extremal points for differential equations.
Johnny Henderson*, Auburn University, Auburn
Darrel Hankerson, Auburn University, Auburn
(8543433)

1:00 p.m.
Effective calculation of the length of disconjugacy intervals for linear differential equations.
Jerry Ridenhour*, Utah State University
(85434471)

1:30 p.m.
Oscillation of matrix difference equations, I.
Allan Peterson*, University of Nebraska, Lincoln
Jerry Ridenhour, Utah State University
(8543452)

2:00 p.m.
On Sturmian theory for nonselfadjoint systems.
Shair Ahmad*, University of Texas, San Antonio
(85434369)

2:30 p.m.
Sturmian theory for nonselfadjoint systems.
E. C. Tomastik*, University of Connecticut, Storrs
(85434370)

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
(85414376)

12:30 p.m.
An approach to the Abundance Conjecture for 3folds and its application to a study of complex hyperbolic 3manifold.
Kenji Matsuki*, Brandeis University
(85414178)

1:00 p.m.
BrillNoether for stable vector bundles.
Montserrat Teixidor i Bigas*, Tufts University
(85414173)

1:30 p.m.
A note on the Hodge index theorem.
T. Luo*, University of Utah
(8541497)

2:00 p.m.
Characterizations of rational surface singularities.
Steven Dale Cutkosky*, University of Missouri, Columbia
(8541475)

2:30 p.m.
Complete extensions of line bundles on a curve.
Aaron Bertram*, Harvard University
(85414375)

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
(85449398)

12:30 p.m.
Stochastic optimization with generalized derivatives.
John Birge*, University of Michigan, Ann Arbor
(85449400)

1:00 p.m.
Miminal convex USCOs and their applications.
Jonathan Michael Borwein*, Dalhousie University
(8544643)

1:30 p.m.
Basic properties of generalized gradients.
Jay S. Treiman*, Western Michigan University
(85490176)

2:00 p.m.
The rank1 generalized Jacobian.
Daniel Ralph*, University of Wisconsin, Madison
(85426397)

2:30 p.m.
Necessary optimality conditions for differential inclusions.
Boris Mordukhovich*, Wayne State University
(85449187)

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 Lseries associated with cusp forms.
Brian Conrey*, Oklahoma State University, Stillwater
(85411569)

12:30 p.m.
Estimates for Fourier coefficients of cusp forms.
William Duke*, Rutgers University, New Brunswick
Henryk Iwaniec, Rutgers University, New Brunswick
(85411446)

1:00 p.m.
Lower bounds for least quadratic nonresidues.
S. W. Graham*, Michigan Technological University
C. J. Ringrose, Leeds, England
(8541196)

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
(85411445)

2:00 p.m.
The asymptotic behavior of the solutions of a class of differentialdifference equations.
Adolf Hildebrand*, University of Illinois, UrbanaChampaign
(85411411)

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
(85447575)

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
(85434563)

12:30 p.m.
Existence and stabilities of periodic solutions for competingspecies diffusion systems.
Guangwei Fan*, University of Cincinnati
Anthony Leung, University of Cincinnati
(8543572)

12:45 p.m.
An interior discontinuity of a nonlinear elliptichyperbolic system.
Sen Huei Chen*, Howard University
R. Bruce Kellogg, University of Maryland, College Park
(85435128)

1:00 p.m.
Inverse problems for transistor contact resistence.
Weifu Fang*, Claremont Graduate School
Ellis Cumberbatch, Claremont Graduate School
(85435156)

1:15 p.m.
A nonlinear heat equation in R1.
Zhixiong Cai*, Ohio University, Athens
Nicolae Pavel, Ohio University, Athens
(85435180)

1:30 p.m.
Radial solutions to a Dirichlet problem involving critical exponents.
Alfonso Castro, University of North Texas
Alexandra Kurepa*, Texas Christian University
(85435210)

1:45 p.m.
A study of bifurcations in a reversible system from a reactiondiffusion system.
Joseph G. Yan*, University of North Carolina, Wilmington
(85435298)

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
(85454341)

12:15 p.m.
On the cohomology of transitive Lie algebras.
Klaus Volpert*, Villanova University
(85453265)

12:30 p.m.
Quadric representation and submanifolds of finite type.
Ivko Dimitric*, Michigan State University
(85453308)

12:45 p.m.
Pseudoconvexity of Lorentzian doubly warped products.
Dean Allison*, Southern Illinois University, Carbondale
(85453338)

1:00 p.m.
Sympletic and Riemannian foliations.
Paul D. Scofield*, University of Illinois, UrbanaChampaign
(85453486)

1:15 p.m.
Nonexistence of Riemannian foliation on a compact negatively curved Riemann manifold.
Hobum Kim*, University of Illinois, UrbanaChampaign
(85453518)

1:30 p.m.
An intrinsic characterization of a class of minimal surfaces in constant curvature manifolds.
Gene Douglas Johnson*, Franklin & Marshall College
(85453528)

1:45 p.m.
The space of geodesics.
John K. Beem, University of Missouri, Columbia
Phillip E. Parker*, Wichita State University
(85453546)

2:00 p.m.
Groups of transformations of almost rparacontact manifolds.
Andrzej Bucki*, Lycoming College
(85453564)

2:15 p.m.
Uniformly regular quasiuniform spaces.
P. Fletcher, Virginia Polytechnic Institute and State University
W. Hunsaker*, Southern Illinois University, Carbondale
(8545402)

2:30 p.m.
Selfsimilarity.
Gary Lewellen*, Appalachian State University
(8545491)

2:45 p.m.
Homogeneity and (sigma)discrete sets.
Ben Fitzpatrick, Jr.*, Auburn University, Auburn
HaoXuan Zhou, State University of New York, Buffalo
(85454197)

3:00 p.m.
Normal spaces with prescribed StoneCech remainders.
Jack R. Porter, University of Kansas
R. Grant Woods*, University of Manitoba
(85454237)

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
(85454269)

12:15 p.m.
Topological entropy of homeomorphism on a tree.
Rahim G. Karimpour*, Southern Illinois University, Edwardsville
(85454272)

12:30 p.m.
Qbinary spaces.
Andrzej Szyma\'nski*, Slippery Rock University
(85454335)

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
(85454423)

1:00 p.m.
Hyperspaces as a tool in iterated function theory.
Bruce S. Burdick*, Bates College
(85454434)

1:15 p.m.
Hausdorff solutions to the ScarboroughStone problem.
Jerry E. Vaughan*, University of North Carolina, Greensboro
(85454440)

1:30 p.m.
On extensionable topological hulls.
Friedhelm Schwarz*, University of Toledo
(85454453)

1:45 p.m.
Adherent compact and Hclosed adherentseminormal spaces.
Robert L. Krystock*, Norton, Virginia
(85454465)

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
(85454494)

2:15 p.m.
On the openopen game.
Peg Daniels, Auburn University, Auburn
HaoXuan Zhou*, State University of New York, Buffalo
(85454550)

2:30 p.m.
Banach category theorems and Blumberg's categorical almost continuityapplications.
Zbigniew Piotrowski*, Youngstown State University
(85454551)

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
(85454613)

3:00 p.m.
Periodic boundary value problems of first order differential equations with impulses.
A. S. Vatsala*, University of Southwestern Louisiana
(85434548)

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
(85457503)

12:15 p.m.
Approximation of relative spectrum of an element in Banach algebra.
Abhay K. Gaur*, Duquesne University
(85446382)

12:30 p.m.
A note on continuity points of functions.
Zbigniew Piotrowski, Youngstown State University
Eric Wingler*, Youngstown State University
(85454552)

12:45 p.m.
Projective covers of some sequential spaces.
Ananda V. Gubbi*, Southwest Missouri State University
(85454580)

1:00 p.m.
Monogenic ssystems: A semigroup approach.
J. D. Lawson, Louisiana State University, Baton Rouge
Amha Lisan*, Louisiana State University, Baton Rouge
(85454581)

1:15 p.m.
Polynomial cochains on nilmanifolds.
Bohumil Cenkl, Northeastern University
Richard Porter*, Northeastern University
(85455270)

1:30 p.m.
Kfold products on braids.
Stefanos Gialamas*, Columbia College
(85455427)

1:45 p.m.
Changing fixed points and coincidences to roots.
Robin Brooks, Bates College
Peter Wong*, Bates College
(85455433)

2:00 p.m.
On the minimal vdegree of the generalized Jones polynomial.
Chris Sligar*, University of Georgia
(85455522)

2:15 p.m.
Fixed point minimization and homeomorphisms of lowdimensional manifolds.
Michael Kelly*, University of Idaho
(85455584)

2:30 p.m.
Andreotti invariant of real projective spaces.
Gregory A. Fredricks*, Lewis & Clark College
Peter B. Gilkey, University of Oregon
(85457299)

2:45 p.m.
The base orbifolds of Brieskorn manifolds.
John W. Emert*, Ball State University
(85457490)

3:00 p.m.
K (pi, 1) arrangements.
Michael J. Falk*, Northern Arizona University
(85457526)

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
AbdulAziz Yakubu*, North Carolina State University
(85458163)

12:15 p.m.
3Determinacy for Hamiltonians of HenonHeiles type.
Christopher Cotter*, University of Northern Colorado
(85458600)

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
(8546012)

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
(8546085)

1:00 p.m.
Zonoids and expected absolute random determinants.
Richard A. Vitale*, University of Connecticut, Storrs
(85460174)

1:15 p.m.
Lotto jackpot as an occupancy problem.
G. Rubin Thomas*, Benedict College
(85460441)

1:30 p.m.
Conditions for convergence in an infinite urn model.
Michael Dutko*, University of Scranton
(85460435)

1:45 p.m.
Prophet inequality for independent random variables with a discount factor.
Frans Boshuizen*, Vrije Universiteit, The Netherlands
(85460415)

2:00 p.m.
A generalized Ito formula for Ndimensional time.
Mylan Redfern*, University of Southern Mississippi
David Betounes, University of Southern Mississippi
(85460386)

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, UrbanaChampaign
(85460325)

2:30 p.m.
Toward a dispersive number line.
Dennis Collins*, University of Puerto Rico, Mayaguez
(85460321)

2:45 p.m.
Minimaxoptimal stop rules and distributions in secretary problems.
Theodore P. Hill*, Georgia Institute of Technology
Ulrich Krengel, University of G\"ottingen, Federal Republic of Germany
(85460296)

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
(8544925)

12:15 p.m.
Angular momentum optimization of rigid body trajectories.
Michael Enos*, Syracuse University
(85449100)

12:30 p.m.
Pointwise versions of the maximum theorem with applications in optimization.
I. E. Schochetman*, Oakland University
(85449211)

12:45 p.m.
A variational approach for optimal control of timedelay systems with distributed parameters.
Ibrahim Sadek*, University of North Carolina, Wilmington
(85449214)

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
(85449390)

1:15 p.m.
Attainable sets and holding sets for discrete control systems.
Emilio O. Roxin*, University of Rhode Island
(85449477)

1:30 p.m.
The Euler  Lagrange equations for nonregular extremum problems in Banach spaces.
Urszula LedzewiczKowalewska*, Southern Illinois University, Edwardsville
(85449537)

1:45 p.m.
Satellite configurations and the Petersen graph.
Sandra Lach Arlinghaus*, Institute of Mathematical Geography
(85451501)

2:00 p.m.
Steinhardt's inequality in the Minkowski plane.
Mostafa Ghandehari*, Naval Postgraduate School
(8545205)

2:15 p.m.
Disk packing with Kleinian groups.
D. Bessis, CENSaclay, France
S. Demko*, Georgia Institute of Technology
(85452274)

2:30 p.m.
A functional from metric geometry.
Allen D. Rogers*, University of Illinois, UrbanaChampaign
(85452496)

2:45 p.m.
On the Lie curvature of Dupin hypersurfaces.
Thomas E. Cecil*, College of the Holy Cross
(85453182)

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
ShingHwang Doong, University of South Alabama
(85453207)

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 entrylevel 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 nonroutine 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.
AMSMAA 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
(85455363)

7:30 a.m.
Stable spherical classes factoring through BV's.
Nicholas J. Kuhn*, University of Virginia
(8545532)

8:00 a.m.
Multiplicities of summands in the classifying space of a finite group.
Stewart Priddy*, Northwestern University
John Martino, Yale University
(85455362)

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
(85455457)

9:00 a.m.
Completions of Gspectra 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
(85455456)

9:30 a.m.
Small Hspaces.
David J. Anick*, Massachusetts Institute of Technology
(85455291)

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
(85449170)

7:30 a.m.
Optimal control of the running max.
Arthur C. Heinricher, University of Kentucky
Richard H. Stockbridge*, University of Kentucky
(85493292)

8:00 a.m.
Numerical methods for an optimal investmentconsumption model.
Ben Fitzpatrick*, University of Tennessee
Wendell H. Fleming, Brown University
(85493159)

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
(85493300)

9:00 a.m.
Parameter estimation in multidimensional moving boundary problems.
Katherine A. Murphy*, University of North Carolina, Chapel Hill
(85465366)

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
(85493172)

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
(8543074)

7:25 a.m.
Twopoint distortion for convex univalent functions.
SeongA Kim, University of Cincinnati
David Minda*, University of Cincinnati
(85430105)

7:50 a.m.
Biholomorphic mappings of the ball onto convex domains.
Ted J. Suffridge*, University of Kentucky
(85432101)

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
(8543213)

8:40 a.m.
Meromorphic typically real functions.
Evelyn PupploCody*, University of Kentucky
(85430384)

9:05 a.m.
Radii problems for generalized sections of convex functions.
Richard Fournier, Universit\'e de Montr\'eal
Herb Silverman*, College of Charleston
(85430149)

9:30 a.m.
Classes of univalent integral operators.
Sanford S. Miller*, State University of New York, College at Brockport
Petru T. Mocanu, BabesBolyai University, Romania
(85430539)

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 precollege mathematics education.
Richard A. Alo*, University of Houston, Downtown
(85497147)

7:25 a.m.
Testing, mathematics preparation, and success in college.
Franklin Demana*, Ohio State University, Columbus
(85497144)

7:50 a.m.
Problem solving: Mathematicians and teachers working together.
Thomas Berger*, National Science Foundation
(85497146)

8:15 a.m.
The university and precollege educational interface: Using master teachers in the university environment.
Raymond O. Wells, Jr.*, Rice University
(85497164)

8:40 a.m.
Mathematicians in the elementary school: Curriculum and implementation issues.
Philip Wagreich*, University of Illinois, Chicago
(85496137)

9:05 a.m.
Obstacles to change: The implications for undergraduate mathematics of the NCTM standards.
T. Christine Stevens*, Saint Louis University
(85498139)

9:30 a.m.
Neglected connections: Teaching mathematics to a changing population.
Uri Treisman*, University of California, Berkeley
(85498138)

Saturday January 20, 1990, 7:00 a.m.9:50 a.m.
AMS Special Session on Algebraic Geometry, III

7:00 a.m.
A higherorder contact formula for plane curves.
Susan Jane Colley*, Oberlin College
Gary Kennedy, Oberlin College
(85414148)

7:30 a.m.
Automorphisms of Jacobian Kummer surfaces.
Jonghae Keum*, University of Utah
(85414120)

8:00 a.m.
On higher Weierstrass points.
Fernando Cukierman*, University of California, Los Angeles
LungYing Fong, Brandeis University
(85414481)

8:30 a.m.
Stratified variations of Hodge structure.
Donu Arapura*, Purdue University, West Lafayette
(85414285)

9:00 a.m.
Equivariant Ktheory and Chow groups of geometric quotients.
Angelo Vistoli*, Harvard University
(85414544)

9:30 a.m.
Rank 2 bundles and double structures on codimension 2 subvarieties.
J\"urgen Rathmann*, University of California, Los Angeles
(85414508)

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
(8544673)

7:30 a.m.
Monotone varational inequalities in reflexive Banach spaces.
Lynn McLinden*, University of Illinois, UrbanaChampaign
(85449591)

8:00 a.m.
On the optimal control, relaxation and variational stabililty of nonlinear distributed parameter systems.
Nikolaos S. Papageorgiou*, University of California, Davis
(85449399)

8:30 a.m.
Bounds on complexity for nonexpansive fixed points.
Jonathan Spingarn*, Georgia Institute of Technology
(85465293)

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
(85415444)

9:30 a.m.
Nonsmooth equations and mathematical programs.
JongShi Pang*, Johns Hopkins University, Baltimore
(85490401)

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
(85465281)

7:15 a.m.
Numerical determination of the wellposedness of boundary value problems.
David Pollack*, Youngstown State University
(85465378)

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
(85465403)

7:45 a.m.
Nstep quadratic convergence of the conjugate gradient method.
Holly Peters Hirst*, Ohio State University, Columbus
(85465421)

8:00 a.m.
Grid adaptation for 2point 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
(85465431)

8:15 a.m.
Transformation of discrete RungeKutta 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
(85465480)

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
(85465507)

8:45 a.m.
Generalized two parametric MSOR and AOR methods.
Saadat Moussavi*, University of Wisconsin, Oshkosh
(85465510)

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*, WinstonSalem State University
(85465561)

9:15 a.m.
Numerical approximation of the solution for a model 2D hypersingular integral equation.
V. J. Ervin*, Clemson University
(85465568)

9:30 a.m.
Random polynomials.
Masilamani Sambandham*, Morehouse College
(85465579)

9:45 a.m.
Convergence of KVtrapezoidal integral formula for cubic spline functions.
Krishnanand Verma*, University of Wisconsin, Whitewater
(85465612)

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
(85468205)

7:15 a.m.
An algorithm for the partitioning problem.
Henry Potoczny*, Air Force Institute of Technology
(85468323)

7:30 a.m.
Continued fractions from quadratic equations.
Bella Wiener*, University of Texas  Pan American University
(85498320)

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
(85498436)

8:00 a.m.
Helping calculus students become more active learners.
Douglas Underwood*, Whitman College
(85498479)

8:15 a.m.
The calculus companion.
Diane L. Johnson*, University of Rhode Island
Edmund A. Lamagna, University of Rhode Island
(85498576)

8:30 a.m.
Interacting cells: Automata and continuous counterparts.
Leah EdelsteinKeshet*, University of British Columbia
Bard Ermentrout, University of Pittsburgh, Pittsburgh
(85492558)

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
(85492599)

9:00 a.m.
A mathematical model of retinal processing.
M. NouriMoghadam*, Pennsylvania State University, Lehman
(85492587)

9:15 a.m.
Nonlinear matrix differential equations and mathematical modelling and simulation.
John Jones, Jr.*, Air Force Institute of Technology
(85493133)

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
(85493346)

9:45 a.m.
On multitime method for filtering problems.
G. S. Ladde, University of Texas, Arlington
O. Sirisaengtaksin*, University of Houston, Downtown
(85493532)

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
(85447228)

8:00 a.m.
A review of moment problems.
H. J. Landau*, AT&T Bell Laboratories, Murray Hill, New Jersey
(85442549)

8:30 a.m.
Factorization theory and H^infinity optimal control.
Madanpal S. Verma*, McGill University
(85493541)

9:00 a.m.
Discussion

9:30 a.m.
Controllability and spectrum assignment in Banach spaces.
Leiba Rodman*, College of William and Mary
(85447290)

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
(85458294)

8:00 a.m.
Functional analysis and the nonlinear dynamics of almost periodic motions.
Melvyn Berger*, University of Massachusetts, Amherst
(8544247)

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
(85432610)

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
(85453448)

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.
AMSMAA 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 selfadjoint Toeplitz operators on multiply connected domains.
Kevin F. Clancey*, University of Georgia
(85447355)

12:30 p.m.
The asymptotic behaviour of bounded semigroups in a Banach algebra.
Hari Bercovici*, Indiana University, Bloomington
(85447371)

1:00 p.m.
Ricatti partial differential equations for factoring nonlinear systems.
Asher BenArtzi*, University of California at San Diego, La Jolla
J. William Helton, University of California at San Diego, La Jolla
(85447557)

1:30 p.m.
Innerouter factorization of nonlinear systems.
J. William Helton*, University of California at San Diego, La Jolla
(85447556)

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
(85455473)

12:25 p.m.
A proof of the (n + 1)ad connectivity theorem.
Christopher Stover*, University of Chicago
(85455361)

12:50 p.m.
On the Lie ring analyzer.
Paul Goerss*, University of Washington
(85455229)

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
(8543439)

12:30 p.m.
On Dulac's criterion.
Yi Li, University of Alberta
James S. Muldowney*, University of Alberta
(85434374)

1:00 p.m.
Properties of Green's functions as functions of the boundary points.
Paul W. Eloe*, University of Dayton
(85434161)

1:30 p.m.
Twopoint boundary value problems for L_ny + py = 0.
W. J. Kim*, State University of New York, Stony Brook
(85434295)

2:00 p.m.
Averaging techniques in oscillation theory.
L. H. Erbe*, University of Alberta
(85434260)

2:30 p.m.
Nonoscillatory solutions of an ordinary differential equation for radial solutions of a semilinear elliptic equation.
William F. Trench*, Trinity University
(8543462)

3:00 p.m.
Oscillations of a delay logistic model.
Spiridon Kuruklis, University of Rhode Island
Gerasimos Ladas*, University of Rhode Island
(85434262)

3:30 p.m.
Oscillatory properties for certain $n^{{\rm th}}$ order differential equations.
G. G. Hamedani*, Marquette University
G. S. Krenz, Marquette University
(85434409)

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
(85460515)

12:15 p.m.
An identity of value in Poisson random variable and hypergeometric random variable.
Prem N. Bajaj*, Wichita State University
(85460520)

12:30 p.m.
A study of stochastic integrodifferential equations.
Maged Elshamy*, University of Georgia
(85460535)

12:45 p.m.
Tests based on the number of runs of fixed length.
Anant P. Godbole*, Michigan Technological University
(85462344)

1:00 p.m.
Estimation in long memory time series models.
Sat Gupta*, University of Southern Maine
(85462348)

1:15 p.m.
A metric for subspaces of bold R^n.
Lawrence J. Crone*, The American University
David S. Crosby, The American University
(85462451)

1:30 p.m.
Importance sampling revisited.
Timothy C. Hesterberg*, St. Olaf College
(85462609)

1:45 p.m.
Splitting preconditioners for interval Newton method.
ChenYi Hu*, University of Southwestern Louisiana
Baker Kearfott, University of Southwestern Louisiana
(8546563)

2:00 p.m.
Numerical approximation to the two dimensional inverse heat conduction problem.
Lijia Guo*, University of Cincinnati
(8546571)

2:15 p.m.
Exact numerical schemes and the three means.
C. J. Harman*, Darling Downs Institute of Advanced Education, Australia
(85465122)

2:30 p.m.
On the numerical stability of Volterra integral equations with delay arguments.
Baruch Cahlon*, Oakland University
(85465166)

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
(85465243)

3:00 p.m.
Leastsquares finite elements for Stokes problem.
Ching Lung Chang*, Cleveland State University
(85465614)

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 Chingan Cheng*, Oakland University
(85499618)

12:15 p.m.
Completions of continuity spaces.
D. C. Kent*, Washington State University
R. D. Kopperman, City College, City University of New York
(85454328)

12:30 p.m.
On the Wallman ordered compactification of generalized rectangles.
Margaret A. Gamon*, Gonzaga University
(85454329)

12:45 p.m.
Plane continua with double or triple midset properties.
L. D. Loveland*, Utah State University
(85454426)

1:00 p.m.
A product theorem for the Richardson compactification.
Raquel Ruiz de Eguino*, Washington State University
(85454327)

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
(85468158)

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
(8549216)

1:45 p.m.
An agedependent population model and its operator.
XunCheng Huang*, New Jersey Institute of Technology
(8549209)

2:00 p.m.
deltaoptimal control of nonlinear systems under boundary constraints.
A. N. V. Rao*, University of South Florida
C. P. Tsokos, University of South Florida
(85493562)

2:15 p.m.
Index of faithful normal conditional expectations.
SzeKai Tsui*, Oakland University
(85499622)

2:30 p.m.
On positive solutions of semilinear elliptic equation on compact manifolds.
Tiancheng Ouyang*, University of Toledo
(85499623)

Saturday January 20, 1990, 12:00 p.m.2:40 p.m.
AMS Session on Mechanics

12:00 p.m.
Performance analysis of multichannel queuing models.
Dinesh Kumar*, University of Southern Maine
Muhammad ElTaha, University of Southern Maine
(85494567)

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
(85434616)

12:30 p.m.
A nonstationary model for earthquake acceleration.
G. R. DargahiNoubary*, Bloomsburg University
(85470223)

12:45 p.m.
Quantitative simulation of fluid phenomena in 3D.
Mohsen Mahmoudi*, Fort Hays State University
Donald Greenspan, University of Texas, Arlington
(85470606)

1:00 p.m.
The CauchyPoisson waves in an inviscid rotating stratified liquid.
David Rollins, University of Central Florida
Lokenath Debnath*, University of Central Florida
(85476129)

1:15 p.m.
An application of Meijer's Gfunction in the theory of hydrodynamic stability.
John Russell*, Florida Institute of Technology
(85476280)

1:30 p.m.
Numerically induced phase shifts in the KortewegdeVries soliton.
C. J. Knickerbocker*, St. Lawrence University
(85476605)

1:45 p.m.
Product formula for resolvents of normal operators and the modified Feynman integral with a singular complex potential.
Ant\'onio de BivarWeinholtz, Center of Mathematical Foundation, Portugal
Michel L. Lapidus*, University of Georgia
(85481124)

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
(85481131)

2:15 p.m.
Properties of minorants in ordered linear spaces.
Andrzej M. J. Skulimowski*, University of Mining & Metallurgy, Poland
(8549001)

2:30 p.m.
Vector maximization of generalized concave functions: Connectedness of the Paretooptimal sets.
Tim Fosnaugh*, University of Nebraska, Lincoln
(85490583)

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 multivariable 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, UrbanaChampaign (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 twentyfirst century

Saturday January 20, 1990, 12:30 p.m.2:00 p.m.
MAA Committee on Placement Examinations Panel Discussion
The development of calculatorbased placement testing

Saturday January 20, 1990, 12:30 p.m.2:00 p.m.
MAA Committee on Two Year Colleges Panel Discussion
Models of twoyear fouryear dialogues

Saturday January 20, 1990, 12:30 p.m.1:30 p.m.
National Research Council MS2000 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
(8541434)

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
Inquiries: meet@ams.org