AMS Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:08:41
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
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
Inquiries: meet@ams.org