AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:08:42
1990 Central Section Meeting
Manhattan, KS, March 1617, 1990
Meeting #855
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Saturday March 17, 1990

Saturday March 17, 1990, 7:00 a.m.9:50 a.m.
Special Session on Geometric Function Theory, III
Room 144, Cardwell Hall

7:00 a.m.
A maximum principle for the Bergman space.
Boris Korenblum*, State University of New York, Albany
(8553004) 
7:30 a.m.
Maximal functions, A_infinitymeasures and quasiconformal maps.
Susan G. Staples*, University of Texas, Austin
(85530104) 
8:00 a.m.
The quasihyperbolic metric is exponentially integrable on H\"older domains in R^n.
Wayne Smith, University of Washington
David A. Stegenga*, University of Hawaii, Honolulu
(85530110) 
8:30 a.m.
The boundary distributions of analytic functions on the disc.
Carl Sundberg*, University of Tennessee, Knoxville
(85530135) 
9:00 a.m.
The BMOAdistance of a function from VMOA.
David Stegenga, University of Hawaii, Manoa
Kenneth Stephenson*, University of Tennessee, Knoxville
(85530134) 
9:30 a.m.
The Cauchy integral operator and the eigenvalue problem for the Laplacian.
Dmitry Khavinson*, University of Arkansas, Fayetteville
J. M. Anderson, University College, England
Victor Lomonosov, Moscow, USSR
(8553010)

7:00 a.m.

Saturday March 17, 1990, 7:00 a.m.9:20 a.m.
Special Session on Partial Differential Equations, III
Room 129, Cardwell Hall

7:00 a.m.
Fully nonlinear parabolic boundary value problems in higher space dimensions, II.
ChinYuan Lin*, Texas A & M University, College Station
(8553553) 
7:30 a.m.
Bifurcation turning points in combustion equations.
Karl Gustafson*, University of Colorado, Boulder
(8553506) 
8:00 a.m.
Optimal control for elliptic VolterraLotka type equations.
Anthony Leung*, University of Cincinnati
Srdjan Stojanovic, University of Cincinnati
(85535154) 
8:30 a.m.
Reactiondiffusion models and elliptic eigenvalue problems.
Chris Cosner*, University of Miami
(85535155) 
9:00 a.m.
The wave equation with nonlinear boundary conditions.
Irena Lasiecka, University of Virginia
Andreas Stahel*, University of Utah
(85535153)

7:00 a.m.

Saturday March 17, 1990, 7:00 a.m.9:50 a.m.
Special Session on Graph Theory, III
Room 146, Cardwell Hall

7:00 a.m.
Edgegraceful cubic graphs.
John Watkins*, Colorado College
(8550591) 
7:30 a.m.
Ramsey problems and their relation to Turan type extremal problems.
R. J. Faudree*, Memphis State University
M. Simonovits, Hungarian Academy of Sciences, Hungary
(85505111) 
8:00 a.m.
On peripheral vertices in graphs.
Gary Chartrand*, Western Michigan University
Garry Johns, Saginaw Valley State University
Ortrud R. Oellermann, University of Natal, South Africa
(8550592) 
8:30 a.m.
Some unconventional games on graphs.
Paul Erd\"os*, Hungarian Academy of Sciences, Hungary
(8550565) 
9:00 a.m.
Minimum Boolean factorization of tournament codes.
Greg Bain, University of Colorado, Denver
J. Richard Lundgren*, University of Colorado, Denver
John S. Maybee, University of Colorado, Boulder
(8550571) 
9:30 a.m.
The dimension of a random partial order of height one.
W. T. Trotter*, Arizona State University
H. Kierstead, Arizona State University
P. Erd\"os, Hungarian Academy of Sciences, Hungary
(85505101)

7:00 a.m.

Saturday March 17, 1990, 7:00 a.m.9:50 a.m.
Special Session on Groups and Geometries, III
Room 145, Cardwell Hall

7:00 a.m.
Affine cap lambdabuildings.
Curtis Bennett*, University of Chicago
(8555166) 
7:30 a.m.
Extended generalized polygons.
Richard Weiss*, Tufts University
(8552013) 
8:00 a.m.
The embeddings of flagtransitive classical locally polar geometries of rank 3.
Satoshi Yoshiara*, Tufts University
(8555134) 
8:30 a.m.
Embeddings of polar spaces.
Peter M. Johnson*, Wayne State University
(85551172) 
9:00 a.m.
Locally polar spaces with affine planes.
Hans Cuypers*, Michigan State University
Antonio Pasini, University of Naples, Italy
(85551106) 
9:30 a.m.
Totally irregular collineation groups.
Chat Yin Ho*, University of Florida
(8552023)

7:00 a.m.

Saturday March 17, 1990, 7:30 a.m.9:50 a.m.
Special Session on Commutative Algebra, III
Room 102, Cardwell Hall

7:30 a.m.
Strongly regular ring.
Budh Nashier*, Florida State University
(85513122) 
8:00 a.m.
Conormal bundle of determinantal curves.
A. Prabhakar Rao*, University of Missouri, St.\ Louis
(85514178) 
8:30 a.m.
Rings with low dimensional formal fibres.
Christel Rotthaus*, Michigan State University
(8551316) 
9:00 a.m.
Space curves as complete intersection.
Avinash Sathaye*, University of Kentucky
Jon Stenerson, University of Kentucky
(85514195) 
9:30 a.m.
Zero cycles and the number of generators of modules.
M. P. Murthy*, University of Chicago
(85513123)

7:30 a.m.

Saturday March 17, 1990, 7:30 a.m.9:50 a.m.
Special Session on Inverse Problems and Scattering Theory, III
Room 143, Cardwell Hall

7:30 a.m.
Inversion of the backscatter data in the 3D potential scattering problem.
Reese T. Prosser*, Dartmouth College
(85581156) 
8:20 a.m.
Inverse spectral theory in one and two dimensions.
Roger Knobel, Rensselaer Polytechnic Institute
Joyce R. McLaughlin*, Rensselaer Polytechnic Institute
(85534174) 
9:10 a.m.
On an inverse boundary value problem in two dimensions.
Ziqi Sun*, University of Washington
(8553501)

7:30 a.m.

Saturday March 17, 1990, 8:00 a.m.9:50 a.m.
Special Session on Harmonic Analysis and Probability Theory, III
Room 131, Cardwell Hall

8:00 a.m.
Another lacunarity property for Fourier series.
Kenneth A. Ross*, University of Oregon
(8554355) 
8:30 a.m.
A homomorphism theorem for maximal multiplier transforms.
Nakhle' Asmar*, University of Missouri, Columbia
Earl Berkson, University of Illinois, UrbanaChampaign
T. Alastair Gillespie, University of Edinburgh, Scotland
(8554317) 
9:00 a.m.
Theta function of a Riemannian manifold with boundary.
Pei Hsu*, Northwestern University
(8555864) 
9:30 a.m.
The angular part of Brownian motion on negatively curved Riemannian manifolds.
Anton Thalmaier*, University of Texas, Austin
(8556099)

8:00 a.m.

Saturday March 17, 1990, 8:00 a.m.9:50 a.m.
Special Session on Orthostructures, III
Room 121, Cardwell Hall

8:00 a.m.
Constructible hypergraphs.
Christian Schindler*, University of Denver
(85505186) 
8:30 a.m.
Generalized measure theory on orthostructures.
Gottfried T. R\"uttimann*, University of Bern, Switzerland
(85528167) 
9:00 a.m.
An undecidability result in lattice theory.
Otmar Spinas*, Mathematisches Institut Universit\"at Z\"urich, Switzerland
(85506169) 
9:30 a.m.
Maximum likelihood estimation on quasimanuals.
Matthias P. Kl\"ay*, Sandoz AG, Switzerland
David J. Foulis, University of Massachusetts, Amherst
(85560165)

8:00 a.m.

Saturday March 17, 1990, 8:00 a.m.9:50 a.m.
Special Session on Numerical Analysis, II
Room 122, Cardwell Hall

8:00 a.m.
Series expansions for solitary waves.
Steve Pennell*, University of Lowell
(8556579) 
8:30 a.m.
Simulations of incompressible flows containing interfaces using front tracking methods.
Gretar Tryggvason*, University of Michigan, Ann Arbor
Ozen Unverdi, University of Michigan, Ann Arbor
Kahled Sbeih, University of Michigan, Ann Arbor
(8556582) 
9:00 a.m.
A secondorder accurate scheme for the incompressible NavierStokes equations.
John Strikwerda*, University of Wisconsin, Madison
(8556580) 
9:30 a.m.
A new class of nonoscillatory discontinuous Galerkin finite element methods for conservation laws in multidimensions.
Bernardo Cockburn, University of Minnesota, Minneapolis
Suchung Hou, University of Minnesota, Minneapolis
ChiWang Shu*, Brown University
(8556581)

8:00 a.m.

Saturday March 17, 1990, 8:00 a.m.9:50 a.m.
Special Session on Ergodic Theory, III
Room 130, Cardwell Hall

8:00 a.m.
On the converse of the dominated ergodic theorem.
Laszlo I. Szabo*, Ohio State University, Columbus
(8552897) 
8:30 a.m.
Measures with prescribed marginals, extreme points and measure preserving transformations.
M. B. Rao*, North Dakota State University
K. Subramanyam, University of North Carolina, Wilmington
(85528151) 
9:00 a.m.
Almost everywhere divergence and the "strong sweeping out property".
Alexandra Bellow*, Northwestern University
(85528105) 
9:30 a.m.
Weak sequential compactness and a. e. convergence of Cesaro averages.
Dogan Comez*, North Dakota State University
(85547150)

8:00 a.m.

Saturday March 17, 1990, 8:00 a.m.9:50 a.m.
Special Session on Applications of Category Theory, III
Room 103, Cardwell Hall

8:00 a.m.
Topological EilenbergMoore algebras.
Sergio Salbany*, University of Zimbabwe, Zimbabwe
D. Pumpl\"un, Fern Universit\"at Hagen, Federal Republic of Germany
(8551828) 
8:30 a.m.
Regular closure operators and compactness.
Gabriele Castellini*, University of Puerto Rico, Mayag\"uez
(8551819) 
9:00 a.m.
Appropriate domains for infinite dimensional calculus.
L. D. Nel*, Carleton University
(8555830) 
9:30 a.m.
Special objects in the category of cap gammaconvex spaces.
Helmut Rohrl*, La Jolla, California
(8551820)

8:00 a.m.

Saturday March 17, 1990, 10:00 a.m.11:00 a.m.
Invited Address
Examples of CauchyRiemann structures.
Room 101, Cardwell Hall
JeanPierre Rosay*, University of Wisconsin, Madison
(85532202) 
Saturday March 17, 1990, 12:30 p.m.1:30 p.m.
Invited Address
Harmonic measure and applications.
Room 101, Cardwell Hall
JangMei Wu*, University of Illinois, UrbanaChampaign
(8553090) 
Saturday March 17, 1990, 2:00 p.m.4:20 p.m.
Special Session on Harmonic Analysis and Probability Theory, IV
Room 131, Cardwell Hall

2:00 p.m.
Nonexplosion of a stochastic partial differential equation.
Carl Mueller*, University of Rochester
(85560189) 
2:30 p.m.
Gradient estimates using coupling.
Michael Cranston*, University of Rochester
(85560108) 
3:00 p.m.
Exponentially fast uniform convergence in one dimensinal stochastic Ising models.
Richard Holley*, University of Colorado, Boulder
Dan Stroock, Massachusetts Institute of Technology
(8556044) 
3:30 p.m.
Lifetime distribution of h processes.
Burgess Davis*, Purdue University, West Lafayette
(8556067) 
4:00 p.m.
Sharp squarefunction inequalities for conditionally symmetric martingales.
Gang Wang*, Purdue University, West Lafayette
(8556009)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.3:50 p.m.
Special Session on Orthostructures, IV
Room 121, Cardwell Hall

2:00 p.m.
Profinite orthomodular lattices.
Tae Ho Choe*, McMaster University
Richard J. Greechie, Kansas State University
(8550650) 
2:30 p.m.
Blocks and commutators in orthomodular lattices.
G\"unter Bruns, McMaster University
Richard Greechie*, Kansas State University
(85506164) 
3:00 p.m.
Orthomodular structures from sesquilinear forms.
Robert Piziak*, Baylor University
(85506166) 
3:30 p.m.
A method of constructing orthomodular lattices.
John R. Harding*, McMaster University
(85506168)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.3:50 p.m.
Special Session on Numerical Analysis, III
Room 122, Cardwell Hall

2:00 p.m.
A leastsquares finite element method for Helmholtz equation.
Ching Lung Chang*, Cleveland State University
(8553583) 
2:30 p.m.
Numerical simulation of gassolid fluid flows.
YueKuen Kwok*, San Jose State University
(8556546) 
3:00 p.m.
Lattice gas automata  a new method for solving the NavierStokes equations.
Shiyi Chen*, Los Alamos National Laboratory
Gary D. Doolen, Los Alamos National Laboratory
(85565129) 
3:30 p.m.
A comparison of some numerical conformal mapping methods for exterior regions.
Thomas K. DeLillo*, Wichita State University
Alan R. Elcrat, Wichita State University
(85565130)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.5:20 p.m.
Special Session on Geometric Function Theory, IV
Room 144, Cardwell Hall

2:00 p.m.
Goluzin inequalities and minimum energy for mappings onto nonoverlapping regions.
P. L. Duren*, University of Michigan, Ann Arbor
M. M. Schiffer, Stanford University
(8553058) 
2:30 p.m.
On a fixed area problem.
Y. J. Leung*, University of Delaware
(85530175) 
3:00 p.m.
Linear invariance and uniform local univalence.
Wancang Ma, University of Cincinnati
David Minda*, University of Cincinnati
(85530198) 
3:30 p.m.
Extremal distance and quasiconformal circle domains.
David A. Herron*, University of Cincinnati
Pekka Koskela, University of Jyv\"askyl\"a, Finland
(85530117) 
4:00 p.m.
Some numerical calculations related to the Riemann Hypothesis.
Karl Barth*, Syracuse University
(85530120) 
4:30 p.m.
Iteration and zeros of the second derivative.
A. Hinkkanen*, University of Texas, Austin
(85530103) 
5:00 p.m.
Real zeros of the second derivative of the reciprocal of an entire function.
George Csordas, University of Hawaii, Honolulu
Wayne Smith*, University of Hawaii, Honolulu
Jack Williamson, University of Hawaii, Honolulu
(85530133)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.3:50 p.m.
Special Session on Partial Differential Equations, IV
Room 129, Cardwell Hall

2:00 p.m.
Existence of travelling wave solutions for an evolutionary ecology model.
Roger Lui*, University of Utah
(8553533) 
2:30 p.m.
Slow motion manifolds for the CahnHilliard equation in 1 space dimension.
Nicholas D. Alikakos*, University of Tennessee, Knoxville
(85535203) 
3:00 p.m.
Informal Discussion

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.4:50 p.m.
Special Session on Commutative Algebra, IV
Room 102, Cardwell Hall

2:00 p.m.
Linear triangularization of homogeneous polynomial maps.
David Wright*, Washington University
(8551398) 
2:30 p.m.
Ranks of indecomposable modules over onedimensional rings, II.
Leo Chouinard, University of Nebraska, Lincoln
Sylvia Wiegand*, University of Nebraska, Lincoln
(85513158) 
3:00 p.m.
On the structure of certain normal ideals.
Craig Huneke, Purdue University, West Lafayette
Wolmer Vasconcelos, Rutgers University, New Brunswick
Bernd Ulrich*, Michigan State University
(85513119) 
3:30 p.m.
Rees algebras of twodimensional CohenMacaulay local rings.
Jugal Verma*, Louisiana State University, Baton Rouge
(85513145) 
4:00 p.m.
Divisorial properties of the canonical module for invariant subrings.
Dana T. Weston*, University of Missouri, Columbia
(8551332) 
4:30 p.m.
On the nonexistence of a minimal algebra resolution despite vanishing of Avramov obstructions.
Hema Srinivasan*, University of Missouri, Columbia
(85513121)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.4:20 p.m.
Special Session on Inverse Problems and Scattering Theory, IV
Room 143, Cardwell Hall

2:00 p.m.
Informal Discussion

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.3:50 p.m.
Special Session on Ergodic Theory, IV
Room 130, Cardwell Hall

2:00 p.m.
Multiparameter and subsequence ergodic theorems.
James H. Olsen*, North Dakota State University
(85547131) 
2:30 p.m.
Mixing examples in the class of piecewise continuous and expanding interval maps.
Christopher Bose*, University of Victoria
(85528124) 
3:00 p.m.
Polynomial van der Waerden implies polynomial Szemeredi.
Vitaly Bergelson*, Ohio State University, Columbus
(85528180) 
3:30 p.m.
Counterexamples from Gaussian automorphisms.
Andr\'es del Junco*, University of Toronto
(85528190)

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.4:50 p.m.
Special Session on Groups and Geometries, IV
Room 145, Cardwell Hall

2:00 p.m.
Generalized quadrangles with s=t^2: A survey of recent results.
Stanley E. Payne*, University of Colorado, Denver
(85551126) 
2:30 p.m.
Skeletons of conical flocks.
Norman L. Johnson*, University of Iowa
(8555126) 
3:00 p.m.
Generalized quadrangles in pgroups.
Diane Herrmann*, University of Chicago
(85520132) 
3:30 p.m.
Restrictions on groups with a Kantor family.
Xu Ming Chen, Wayne State University
Daniel Frohardt*, Wayne State University
(85520171) 
4:00 p.m.
Orthogonal resolutions of designs.
Spyros S. Magliveras*, University of Nebraska, Lincoln
(8550561) 
4:30 p.m.
Informal Discussion

2:00 p.m.

Saturday March 17, 1990, 2:00 p.m.4:20 p.m.
Special Session on Applications of Category Theory, IV
Room 103, Cardwell Hall

2:00 p.m.
An internal characterization of Beta.
Guenther E. Richter*, University of Bielefeld, Federal Republic of Germany
(8551825) 
2:30 p.m.
Enriched category theory based on relations.
Jurgen Koslowski*, Macalester College
(8551847) 
3:00 p.m.
Aepimorphisms, diagonalseparation, and disconnectedness.
Harriet M. Lord*, California State Polytechnic University
(8551814) 
3:30 p.m.
Topological universe hulls inside the category of pseudotopological spaces.
Friedhelm Schwarz*, University of Toledo
(8551885) 
4:00 p.m.
Completely regular spaces.
H. L. Bentley*, University of Toledo
E. LowenColebunders, Free University of Brussels, Belgium
(8555459)

2:00 p.m.