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AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:08:56
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Inquiries: meet@ams.org
1992 Spring Central Section Meeting
Springfield, MO, March 20-21, 1992
Meeting #873
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Friday March 20, 1992
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Friday March 20, 1992, 8:00 a.m.-10:50 a.m.
Special Session on C*-Algebras and Algebraic Topology, I
Room 344, Glass Hall
-
8:00 a.m.
Exotic index theory and the Baum-Connes conjecture for foliations.
Steven Hurder*, University of Illinois, Chicago
(873-46-45)
-
8:30 a.m.
Homotopy invariants for operator algebras.
Marius Dadarlat*, University of Maryland, College Park
(873-46-46)
-
9:00 a.m.
Bilinear forms in equivariant K-theory.
Claude Schochet*, University of Maryland, College Park
(873-19-37)
-
9:30 a.m.
K theory for p-adic algebraic groups.
Paul Baum*, Pennsylvania State University, University Park
(873-19-30)
-
10:00 a.m.
Operator K-theory and representations of p-adic groups.
Roger Plymen*, University of Manchester, England
(873-19-26)
-
10:30 a.m.
Index theory on buildings.
Nigel Higson*, Pennsylvania State University, University Park
(873-19-169)
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Friday March 20, 1992, 8:30 a.m.-10:50 a.m.
Special Session on Partial Differential Equations, I
Room 227, Glass Hall
-
8:30 a.m.
Inertial manifolds and almost-periodic reaction-diffusion equations.
Pierre A. Vuillermot*, University of Texas, Arlington
(873-35-127)
-
9:00 a.m.
Quenching for degenerate semilinear parabolic equations.
C. Y. Chan*, University of Southwestern Louisiana
P. K. Kong, University of Southwestern Louisiana
(873-35-159)
-
9:30 a.m.
Singular solutions of the conformal Scalar curvature equation.
Robert C. McOwen*, Northeastern University
(873-35-126)
-
10:00 a.m.
A characterization of criticality for the Schodinger operator.
Z. Zhao*, University of Missouri, Columbia
(873-13-133)
-
10:30 a.m.
Informal Discussion
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Harmonic Analysis, I
Room 262, Glass Hall
-
9:00 a.m.
A comparison theorem on convergence rates of random walks on groups.
Kenneth A. Ross*, University of Oregon
Daming Xu, University of Oregon
(873-60-25)
-
9:30 a.m.
On the entropy norm spaces and the Hardy space ReH^1.
W. Christopher Lang*, Mississippi State University
(873-42-09)
-
10:00 a.m.
Brownian motion and thin sets in Vilenkin groups.
D. J. Grubb*, Kansas State University
(873-42-54)
-
10:30 a.m.
Existence of a basis in the "big disk algebra" and in some C_cap lambda.
Florence Lancien*, Equipe D'analyses, France
(873-42-175)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Combinatorics and Discrete Geometry, I
Room 230, Glass Hall
-
9:00 a.m.
Relations of various conjectures on latin squares and straightening coefficients.
Rosa Q. Huang*, University of Michigan, Ann Arbor
(873-05-131)
-
9:30 a.m.
Convexity conjectures concerning Gaussian coefficients.
Kathy M. O'Hara*, University of Iowa
Dennis Stanton, University of Minnesota, Minneapolis
(873-05-182)
-
10:00 a.m.
Characteristic polynomials of hyperplane arrangements interpolating between root systems.
Tadeusz J\'ozefiak, Michigan State University
Bruce E. Sagan*, Michigan State University
(873-51-21)
-
10:30 a.m.
Connections between fundamental bases of the homology of the partition lattice and the free Lie algebra.
Sheila Sundaram, University of Miami
Michelle L. Wachs*, University of Miami
(873-05-183)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Commutative Algebra, I
Room 343, Glass Hall
-
9:00 a.m.
Hilbert rings arising as pullbacks.
David F. Anderson*, University of Tennessee, Knoxville
David E. Dobbs, University of Tennessee, Knoxville
Marco Fontana, Universita di Roma, Italy
(873-13-32)
-
9:30 a.m.
Catenarity of formal power series rings over a pullback.
David F. Anderson, University of Tennessee, Knoxville
David E. Dobbs*, University of Tennessee, Knoxville
Marco Fontana, Universita di Roma, Italy
Mohammed Khalis, University of Lyon I, France
(873-13-36)
-
10:00 a.m.
The existence of flat covers.
Richard G. Belshoff*, Southwest Missouri State University
Edgar E. Enochs, University of Kentucky
Jinzhong Xu, University of Kentucky
(873-13-27)
-
10:30 a.m.
Asymptotic primes and asymptotic grade for modules.
Daniel Katz*, University of Kansas
(873-13-162)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on The Geometry of Connections, I
Room 342, Glass Hall
-
9:00 a.m.
The structure of the cut-locus of the boundary for Riemannian surfaces with bounded inradius.
Stephanie B. Alexander, University of Illinois, Urbana-Champaign
Richard L. Bishop*, University of Illinois, Urbana-Champaign
(873-53-105)
-
9:30 a.m.
The geometry of connections.
James Carlson*, University of Utah
(873-58-207)
-
10:00 a.m.
Particle geometry and quantum electrodynamics.
Andrzej Derdzinski*, Ohio State University, Columbus
(873-81-120)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Classical Complex Analysis and Related Areas, I
Room 340, Glass Hall
-
9:00 a.m.
Some cases of the Sheil-Small conjecture.
W. H. J. Fuchs*, Cornell University
(873-30-190)
-
9:30 a.m.
Value distribution properties for meromorphic functions in the disk.
Linda R. Sons*, Northern Illinois University
(873-30-167)
-
10:00 a.m.
Level sets of Bloch functions.
Steffen Rohde*, University of Michigan, Ann Arbor
(873-30-178)
-
10:30 a.m.
On Julia sets of polynomials.
A. Hinkkanen*, University of Illinois, Urbana-Champaign
(873-30-172)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Lie Algebras, Cohomology, and New Applications to Quantum Mechanics, I
Room 237, Glass Hall
-
9:00 a.m.
Algebraic theory.
Francesco Iachello*, Yale University
(873-81-148)
-
9:30 a.m.
On the algebra of tensor operators fo SU(n).
L. C. Biedenharn*, Duke University
(873-20-160)
-
10:00 a.m.
Informal Discussion
-
10:30 a.m.
Lie algebras, quantization, and deformations.
Palle E. T. Jorgensen*, University of Iowa
(873-81-03)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Semigroups, I
Room 345, Glass Hall
-
9:00 a.m.
Syntactic semigroups of codes.
H. J\"urgensen*, University of Western Ontario
(873-20-225)
-
9:30 a.m.
Dense recognizable languages.
M. Ito*, Kyoto Sangyo University, Japan
M. Katsura, Kyoto Sangyo University, Japan
(873-05-33)
-
10:00 a.m.
Inverse semigroup theoretic algorithms for properties of finitely generated subgroups of free groups.
Pascal Weil, University of Paris, France
Stuart W. Margolis*, University of Nebraska, Lincoln
John Meakin, University of Nebraska, Lincoln
Robert Ruyle, University of Nebraska, Lincoln
(873-20-19)
-
10:30 a.m.
On the fundamental group of a Lie semigroup.
Karl-Hermann Neeb*, Technological Hochschule, Germany
(873-20-53)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Fourier Analysis, I
Room 350, Glass Hall
-
9:00 a.m.
Measure algebras with polynomial characters.
William C. Connett*, University of Missouri, St.\ Louis
Alan L. Schwartz, University of Missouri, St.\ Louis
(873-33-226)
-
9:30 a.m.
Supports and localization of multiple Fourier series.
John F. Price*, Maharishi International University
(873-42-42)
-
10:00 a.m.
Characterizations of convergence and Fourier character classes of trigonometric transforms.
David E. Grow*, University of Missouri, Rolla
\v Caslav V. Stanojevi\'c, University of Missouri, Rolla
(873-42-151)
-
10:30 a.m.
Harmonic analysis on semisimple Lie groups.
Rebecca A. Herb*, University of Maryland, College Park
(873-42-152)
-
Friday March 20, 1992, 9:00 a.m.-10:30 a.m.
Special Session on Approximation Theory, I
Room 226, Glass Hall
-
9:00 a.m.
Shift invariant spaces and approximation.
Carl de Boor, University of Wisconsin, Madison
Ronald A. DeVore*, University of South Carolina, Columbia
Amos Ron, University of Wisconsin, Madison
(873-41-231)
-
9:30 a.m.
Wavelet decomposition and shift-variant spaces.
George Kyriazis*, University of South Carolina, Columbia
(873-41-230)
-
10:00 a.m.
The rate of L_p-approximation of certain projection operators.
Junjiang Lei*, Oklahoma State University
(873-41-163)
-
10:30 a.m.
On the magnitude of Fourier coefficients.
Donald J. Newman, Temple University
Oved Shisha*, University of Rhode Island
(873-42-212)
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Geometry of Affine Space, I
Room 346, Glass Hall
-
9:00 a.m.
Informal Discussion
-
9:30 a.m.
Unipotent actions on affine space.
Dennis M. Snow*, University of Notre Dame
(873-14-72)
-
10:00 a.m.
Chain rule for multivariable resultants.
Charles Ching-An Cheng, Oakland University
James H. McKay, Oakland University
Stuart Sui-Sheng Wang*, Oakland University
(873-13-109)
-
10:30 a.m.
Informal Discussion
-
Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
Session on Algebra
Room 347, Glass Hall
-
9:00 a.m.
Unitary amicable pairs to 10^8.
Rudolph M. Najar*, California State University, Fresno
(873-11-192)
-
9:20 a.m.
On the index of Cohen-Macaulay local rings.
S. Ding*, Texas Technical University
(873-13-16)
-
9:40 a.m.
On the conjugacy problem for one-relator monoids with finite order elements.
Louxin Zhang*, University of Waterloo
(873-20-114)
-
10:00 a.m.
Some remarks on filtrations and plethysms.
Mihalis Maliakas*, University of Arkansas, Fayetteville
(873-20-144)
-
10:20 a.m.
Locally distributive rings.
Mary H. Wright*, Southern Illinois University
(873-16-149)
-
10:40 a.m.
Unitary **amicable integers.
Dale Woods*, University of Central Oklahoma
(873-11-143)
-
Friday March 20, 1992, 11:00 a.m.-11:50 a.m.
Invited Address
Quantization of Lie algebra cohomology and quasi-exactly solvable Schrodinger operators.
Hutchens Auditorium, Glass Hall
Peter J. Olver*, University of Minnesota, Minneapolis
(873-22-01)
-
Friday March 20, 1992, 1:30 p.m.-2:20 p.m.
Invited Address
Nilpotent structures on principal bundles.
Hutchens Auditorium, Glass Hall
Ernst A. Ruh*, Ohio State University, Columbus
(873-53-80)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Harmonic Analysis, II
Room 262, Glass Hall
-
3:00 p.m.
Sidon sets and quasi-Banach spaces.
Nigel Kalton*, University of Missouri, Columbia
(873-43-89)
-
3:30 p.m.
Symmetry conditions and operators on Triebel-Lizorkin spaces.
James E. Daly*, University of Colorado, Colorado Springs
(873-43-07)
-
4:00 p.m.
A radial phi-transform for radial functions.
Michael Frazier*, Michigan State University
(873-41-166)
-
4:30 p.m.
Bounding zeros of H^p functions via concentrations.
Maria Girardi*, University of South Carolina, Columbia
(873-30-11)
-
5:00 p.m.
Non-convolution transforms with oscillating kernels that map B_1^0,1 into itself.
Gary Sampson*, Auburn University, Auburn
(873-42-02)
-
5:30 p.m.
The role of hyperfinite sets in analysis.
Nader Vakil*, Western Illinois University
(873-42-238)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Combinatorics and Discrete Geometry, II
Room 230, Glass Hall
-
3:00 p.m.
An algebraic characterization of planar graphs.
Dan Archdeacon*, University of Vermont
C. H. C. Little, Massey University, New Zealand
P. Bonnington, University of Waikato, New Zealand
(873-05-83)
-
3:30 p.m.
On Hamilton cycles in connected vertex transitive graphs.
Henry H. Glover*, Ohio State University, Columbus
(873-05-220)
-
4:00 p.m.
Functions that bound the number of edges in a graph.
Ruth Haas*, Smith College
Michael O. Albertson, Smith College
(873-05-112)
-
4:30 p.m.
Embedding graphs in disjunctive products of lines.
Robert E. Jamison*, Clemson University
Selma Strahringer, Technological Hochschule Darmstadt, Germany
(873-52-221)
-
5:00 p.m.
Pseudospherical crossing numbers.
Jim Lawrence*, George Mason University
(873-05-124)
-
5:30 p.m.
On the average genus of graphs.
Saul Stahl*, University of Kansas
(873-05-43)
-
Friday March 20, 1992, 3:00 p.m.-6:50 p.m.
Special Session on Partial Differential Equations, II
Room 227, Glass Hall
-
3:00 p.m.
Hyperbolic systems of conservation laws with umbilic points.
Gui-Qiang Chen*, University of Chicago
Pui Tak Kan, University of Wisconsin, Madison
(873-35-194)
-
3:30 p.m.
Informal Discussion
-
4:00 p.m.
A priori estimates for solutions to nonlinear elliptic equations.
Wenxiong Chen, Southwest Missouri State University
Congming Li*, Institute for Advanced Study
(873-35-216)
-
4:30 p.m.
The existence, uniqueness and regularity of nonlinear partial differential systems.
S. Walter Wei*, University of Oklahoma
(873-35-132)
-
5:00 p.m.
Global solutions of Maxwell's equations in an electromagnetic field with the temperature-dependent electrial conductivity.
Hong-Ming Yin*, University of Toronto
(873-35-04)
-
5:30 p.m.
Nonstandard finite-difference schemes for PDE's.
Ronald E. Mickens*, Clark Atlanta University
(873-65-108)
-
6:00 p.m.
An elliptic-parabolic system of degenerate type.
Xiangsheng Xu*, University of Arkansas, Fayetteville
(873-35-101)
-
6:30 p.m.
Fundamental solutions of subelliptic differential operators.
Chuan-Yi Xu*, University of Florida
(873-35-146)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Commutative Algebra, II
Room 343, Glass Hall
-
3:00 p.m.
Hilbert coefficients and local cohomology in dimension 2.
Judith D. Sally*, Northwestern University
(873-13-66)
-
3:30 p.m.
On graded rings associated to analytic deviation one ideals of small height.
Sam Huckaba*, Florida State University
(873-13-64)
-
4:00 p.m.
Resolutions of Gorenstein ideals.
Hema Srinivasan*, University of Missouri, Columbia
(873-13-119)
-
4:30 p.m.
Hilbert functions and Betti numbers.
E. Graham Evans, Jr*, University of Illinois, Urbana-Champaign
(873-13-137)
-
5:00 p.m.
Passing across linkage.
Susan M. Palmer*, Southwest Missouri State University
(873-13-102)
-
5:30 p.m.
Fixed rings of coherent regular rings.
Sarah Glaz*, University of Connecticut, Storrs
(873-13-128)
-
Friday March 20, 1992, 3:00 p.m.-6:50 p.m.
Special Session on The Geometry of Connections, II
Room 342, Glass Hall
-
3:00 p.m.
Nonabelian Hodge theory and intersection cohomology.
Kevin Corlette*, University of Chicago
(873-57-110)
-
3:30 p.m.
Connection preserving actions of lattices in SL(n,R).
Renato Feres*, University of Chicago
(873-58-171)
-
4:00 p.m.
On the local structure of collapsed manifolds.
Patrick Ghanaat*, University of Basel, Switzerland
(873-53-232)
-
4:30 p.m.
Rigidity problems for hypersurfaces in complex projective spaces.
Gary R. Jensen*, Washington University
Emilio Musso, Istituo Matematico, Italy
(873-53-74)
-
5:00 p.m.
Scalar curvature rigidity.
Maung Min-oo*, McMaster University
(873-53-85)
-
5:30 p.m.
Metric pinching of locally symmetric spaces.
Conrad Plaut*, Ohio State University, Columbus
(873-58-79)
-
Friday March 20, 1992, 3:00 p.m.-5:20 p.m.
Special Session on Classical Complex Analysis and Related Areas, II
Room 340, Glass Hall
-
3:00 p.m.
Extremal problems involving logarithmic and Green capacity.
Richard Laugesen*, Washington University
(873-31-106)
-
3:30 p.m.
The boundary absolute continuity of quasiconformal mappings.
Juha Heinonen*, University of Michigan, Ann Arbor
(873-30-98)
-
4:00 p.m.
Structural instability of exponential functions.
Zhuan Ye*, Purdue University, West Lafayette
(873-30-210)
-
4:30 p.m.
Null sets for doubling and dyadic doubling measures.
Jang-Mei Wu*, University of Illinois, Urbana-Champaign
(873-28-107)
-
5:00 p.m.
Some recent results of potential theory.
M. Sodin*, Purdue University, West Lafayette
(873-31-199)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Lie Algebras, Cohomology and New Applications to Quantum Mechanics, II
Room 237, Glass Hall
-
3:00 p.m.
Algebraic approaches to molecular electronic structure.
Josef Paldus*, University of Waterloo
(873-81-228)
-
3:30 p.m.
Informal Discussion
-
4:00 p.m.
The Lie algebraic approach to q-series and q-difference equations.
Willard Miller, Jr.*, University of Minnesota, Minneapolis
E. G. Kalnins, University of Waikato, New Zealand
(873-33-198)
-
4:30 p.m.
Hidden symmetries of differential equations.
Barbara Abraham-Shrauner*, Washington University
(873-34-193)
-
5:00 p.m.
Coherent tensor operators.
Dan Flath*, University of South Alabama
(873-22-168)
-
5:30 p.m.
About polynomial solutions of differential equations.
A. V. Turbiner*, University de Luminy, France
(873-22-202)
-
Friday March 20, 1992, 3:00 p.m.-6:50 p.m.
Special Session on C*-Algebras and Algebraic Topology, II
Room 344, Glass Hall
-
3:00 p.m.
A new approach to Bott periodicity.
George A. Elliott, University of Copenhagen, Denmark
Ryszard Nest, University of Copenhagen, Denmark
Toshikazu Natsume*, State University of New York, Buffalo
(873-19-174)
-
3:30 p.m.
Power maps and Hodge decomposition in Hochschild and cyclic homology.
Dan Burghelea*, Ohio State University, Columbus
(873-46-1097)
-
4:00 p.m.
Operator convolution algebras.
Edward G. Effros, University of California, Los Angeles
Zhong-Jin Ruan*, University of Illinois, Urbana-Champaign
(873-46-58)
-
4:30 p.m.
Topological orbit equivalence.
Thierry Giordano, University of Ottawa
Ian Putnam*, University of Victoria
Christian Skau, University of Trondheim, Norway
(873-19-31)
-
5:00 p.m.
Cyclic cocycles, index theory on open manifolds and Novikov conjecture for uniformly contractible spaces.
Guoliang Yu*, Mathematical Sciences Research Institute, Berkeley
(873-58-38)
-
5:30 p.m.
Hermitian sheaves in operator theory.
Keren Yan*, Indiana University-Purdue University, Indianapolis
(873-47-211)
-
6:00 p.m.
Quantum Riemann surfaces.
S. Klimek*, Indiana University-Purdue University, Indianapolis
(873-81-197)
-
6:30 p.m.
"Adiabatic" cobordism theorem for the analytic torsion and the eta-invariant.
Krzysztof Wojciechowski*, Indiana Univ-Purdue University at Indianapolis
(873-57-196)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Semigroups, II
Room 345, Glass Hall
-
3:00 p.m.
The largest proper ideals of certain transformation semigroups.
K. D. Magill, Jr.*, State University of New York, College at Buffalo
(873-20-15)
-
3:30 p.m.
Endormorphism monoids of generators in categories of acts.
Ulrich Knauer*, University of Oldenburg, Germany
(873-20-177)
-
4:00 p.m.
S_n-normal semigroups.
Robert B. McFadden*, University of Louisville
(873-20-158)
-
4:30 p.m.
Description of commutative semigroups in terms of their partial automorphisms.
Boris M. Schein, University of Arkansas, Fayetteville
Shu Zhang*, University of Arkansas, Fayetteville
(873-20-121)
-
5:00 p.m.
Green's relations on G_X-normal semigroups.
Inessa Levi*, University of Louisville
(873-20-12)
-
5:30 p.m.
Idempotent endomorphisms in finite-dimensional v*-algebras.
Andrew Averill*, Maharishi International Univeristy
(873-20-41)
-
Friday March 20, 1992, 3:00 p.m.-6:20 p.m.
Special Session on Fourier Analysis, II
Room 350, Glass Hall
-
3:00 p.m.
A characterization and a generalization of continuity.
J. Marshall Ash, DePaul University
Jonathan Cohen*, DePaul University
Christopher Freiling, California State University, San Bernardino
Eric Rieders, DePaul University
(873-26-71)
-
3:30 p.m.
Orthonormal trigonometric polynomial bases and the theory of wavelets.
K. I. Oskolkov*, Queen's University
(873-42-154)
-
4:00 p.m.
Eigenfunction method of solvability of periodic BVP's for semilinear hyperbolic equations.
P. S. Milojevi\'c*, New Jersey Institute of Technology
(873-47-153)
-
4:30 p.m.
Boundedness of maximal operator and some combinatorial estimates.
Bogdan Baishanski*, Ohio State University, Columbus
(873-42-217)
-
5:00 p.m.
New elementary transcendental functions and generalzied trigonometric series.
Everett McCoy*, University of Missouri, Rolla
(873-42-241)
-
5:30 p.m.
A spectral version of harmonic analysis on R^n.
William O. Bray*, University of Maine
(873-42-246)
-
6:00 p.m.
Characterization of Lipschitz spaces via the commutator operator of Coifman, Rochberg, and Weiss.
Maciej Paluszynski, Washington University
Mitchell Taibleson*, Washington University
Guido Weiss, Washington University
(873-42-247)
-
Friday March 20, 1992, 3:00 p.m.-5:20 p.m.
Special Session on Approximation Theory, II
Room 226, Glass Hall
-
3:00 p.m.
Exponential decay and resolvents of banded infinite matrices.
Dale T. Smith*, Gadsden, Alabama
(873-47-155)
-
3:30 p.m.
Wavelet decompositions via multiresolution.
Carl de Boor, University of Wisconsin, Madison
Ronald A. DeVore, University of South Carolina
Amos Ron*, University of Wisconsin, Madison
(873-41-239)
-
4:00 p.m.
L^p properties of multivariate cardinal splines.
W. R. Madych*, University of Connecticut, Storrs
(873-41-206)
-
4:30 p.m.
An analytic monotone extension of boundary data.
Xingping Sun, Southwest Missouri State University
Xiangming Yu*, Southwest Missouri State University
(873-41-240)
-
5:00 p.m.
Univariant appproximation by superpositions of a sigmoidal function.
Bo Gao, Temple University
Yuan Xu*, University of Arkansas, Little Rock
(873-41-156)
-
Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Geometry of Affine Space, II
Room 346, Glass Hall
-
3:00 p.m.
G_alpha actions on C^n and primitive ideals in enveloping algebras of nilpotent Lie algebras.
David R. Finston*, New Mexico State University, Las Cruces
Mai Gehrke, New Mexico State University, Las Cruces
(873-14-73)
-
3:30 p.m.
On Jacobian conjecture.
T. T. Moh*, Purdue University, West Lafayette
(873-13-55)
-
4:00 p.m.
Homotopy of sections of projective modules.
Satyagopol Mandal*, University of Kansas
(873-13-68)
-
4:30 p.m.
On the automorphisms of k[X,Y,Z].
Gene Freudenburg*, Washington University
(873-14-60)
-
5:00 p.m.
Informal Discussion
-
Friday March 20, 1992, 3:00 p.m.-4:30 p.m.
Session on Combinatorics, Applications, Geometry and Topology
Room 347, Glass Hall
-
3:00 p.m.
Counting vetices and edges in Penrose tilings.
Catherine A. Gorini*, Maharishi International University
Robert L. Wofford, Livingston Manor, New York
(873-51-82)
-
3:20 p.m.
Dependence systems: Mappings, constructions, congruences.
Marcin Jan Schroeder*, Southern Illinois University
(873-06-141)
-
3:40 p.m.
Expansiveness and shift homeomorphisms.
Fred Worth*, Henderson State University
(873-54-142)
-
4:00 p.m.
Studies on optimum preventive maintenance policies for general repair result.
Hai-yan Gu*, Shanghai University of Technology, China
(873-60-22)
-
4:20 p.m.
Semimodules and generalizations of the algebra of binary relations.
Jack M. Anderson*, South Dakota State University
Fan Zhang, South Dakota State University
(873-20-244)
Saturday March 21, 1992
-
Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
Special Session on Combinatorics and Discrete Geometry, III
Room 230, Glass Hall
-
8:00 a.m.
Placing the d-cube in Lexicographic order.
Fariba Bigdeli*, Kentucky State University
(873-52-129)
-
8:30 a.m.
A combinatorial decomposition of simplicial complexes.
Art Duval*, University of Texas, El Paso
(873-05-104)
-
9:00 a.m.
H-shellings and h-complexes.
Paul H. Edelman*, University of Minnesota, Minneapolis
Victor Reiner, University of Minnesota, Minneapolis
(873-05-17)
-
9:30 a.m.
Convex polytopes and stress.
Carl W. Lee*, University of Kentucky
(873-52-39)
-
10:00 a.m.
Lemke paths on simple polytopes.
Walter D. Morris, Jr.*, George Mason University
(873-90-130)
-
10:30 a.m.
Combinatorial conditions for freeness of modules of piecewise polynomials.
Lauren L. Rose*, Wellesley College
(873-05-184)
-
Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
Special Session on Partial Differential Equations, III
Room 227, Glass Hall
-
8:30 a.m.
Uniqueness results for semilinear elliptic equations.
Man Kam Kwong*, Argonne National Laboratory
Yi Li, University of Rochester
(873-35-229)
-
9:00 a.m.
The effect of the domain geometry on the number of positive solutions for nonlinear Neumann problems with critical exponents.
Zhi-Qiang Wang*, Utah State University
(873-35-214)
-
9:30 a.m.
Heat flow of P-harmonic maps with values into spheres.
Yun-mei Chen*, University of Florida
Min-chun Hong, ICTP, Italy
(873-35-215)
-
10:00 a.m.
On strongly nonlinear operator equations and applications.
P. S. Milojevic*, New Jersey Institute of Technology
(873-35-176)
-
10:30 a.m.
Informal Discussion
-
Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
Special Session on Commutative Algebra, III
Room 343, Glass Hall
-
8:00 a.m.
Homological invariants of powers of ideals.
Vijay Kodiyalam*, Purdue University, West Lafayette
(873-13-81)
-
8:30 a.m.
Integral uppers over Henselian domains.
Chandni Shah*, University of Texas, Austin
(873-13-138)
-
9:00 a.m.
Chern classes of matrices.
Paul C. Roberts*, University of Utah
(873-13-76)
-
9:30 a.m.
Chow groups of a regular local ring.
S. P. Dutta*, University of Illinois, Urbana-Champaign
(873-13-47)
-
10:00 a.m.
Annihilation of homology of certain finite free complexes.
Cameron Wickham*, Southwest Missouri State University
(873-13-122)
-
10:30 a.m.
Structure of a local homomorphism.
Luchezar L. Avramov*, Purdue University, West Lafayette
Hans-Bjorn Foxby, University of Copenhagen, Denmark
Bernd Herzog, Leipzig University, Germany
(873-13-136)
-
Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
Special Session on Lie Algebras, Cohomology and New Applications to Quantum Mechanics, III
Room 237, Glass Hall
-
8:00 a.m.
Asymptotic expansion in momentum of the time-dependent Schrodinger equation.
D. J. Kaup*, Clarkson University
(873-81-205)
-
8:30 a.m.
Informal Discussion
-
9:00 a.m.
Representations of quantum algebras and applications.
Luc Vinet*, University of Montreal
(873-20-243)
-
9:30 a.m.
Differential operators and trees on algebraic groups.
Robert Grossman*, University of Chicago
(873-17-236)
-
10:00 a.m.
Quasi-exactly solvable spectral problems and conformal field theory.
Mikhail A. Shifman*, University of Minnesota, Minneapolis
(873-81-186)
-
10:30 a.m.
Exact solutions to operator differential equations.
Carl M. Bender*, Washington University
(873-81-204)
-
Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
Special Session on C*-Algebras and Algebraic Topology, III
Room 344, Glass Hall
-
8:00 a.m.
Dixmier-Douady classes of dynamical systems and crossed products.
Iain Raeburn, University of Newcastle, Australia
Dana P. Williams*, Dartmouth College
(873-46-40)
-
8:30 a.m.
Unbounded Fredholm modules and automorphisms of C*-algebras.
Efton Park*, Indiana University-Purdue University, Indianapolis
(873-46-59)
-
9:00 a.m.
KK theory and Lie groups.
Jeffrey Fox, State University of New York, Albany and Univeristy of Colorado, Boulder
Peter Haskell*, Virginia Polytechnic Institute and State University
(873-46-24)
-
9:30 a.m.
Traces on twisted group C*-algebras and cyclic cohomology.
Ronghui Ji*, Indiana University-Purdue University, Indianapolis
(873-46-28)
-
10:00 a.m.
C*-surgery obstructions.
John G. Miller*, Indiana University-Purdue University, Indianapolis
(873-58-96)
-
10:30 a.m.
K-theory and homotopy of certain groups and infinite Grassmann spaces associated with C*-algebras.
Shuang Zhang*, University of Cincinnati
(873-46-44)
-
Saturday March 21, 1992, 8:20 a.m.-10:50 a.m.
Special Session on The Geometry of Connections, III
Room 342, Glass Hall
-
8:20 a.m.
The spectrum of the Laplacian on manifolds of positive curvature.
Jose F. Escobar*, Indiana University, Bloomington
(873-53-170)
-
9:00 a.m.
Pointwise curvature characterizations in practice.
Walter Seaman*, University of Iowa
(873-53-189)
-
9:40 a.m.
Non self-dual Yang-Mills connections with quadrupole symmetry.
Jan Segert*, University of Missouri, Columbia
Lorenzo Sadun, University of Texas, Austin
(873-81-75)
-
10:20 a.m.
The inverse problem of Lagrangian dynamics.
Gerard Thompson*, University of Toledo
(873-58-63)
-
Saturday March 21, 1992, 8:30 a.m.-10:50 a.m.
Special Session on Classical Complex Analysis and Related Areas, III
Room 340, Glass Hall
-
8:30 a.m.
Cauchy data for divergence form elliptic equations.
Thomas H. Wolff*, California Institute of Technology
(873-35-118)
-
9:00 a.m.
On a conditional theorem of Littlewood for quasiregular entire functions.
John Lewis*, University of Kentucky
(873-30-147)
-
9:30 a.m.
On the dimension of the range of a quasiconformal mapping.
Matti Vuorinen*, University of Helsinki, Finland and University of Michigan, Ann Arbor
(873-30-237)
-
10:00 a.m.
Distortion of area and conditioned Brownian motion.
P. Griffin, Syracuse University
G. Verchota, Syracuse University
A. Vogel*, Syracuse University
(873-30-209)
-
10:30 a.m.
Gap theorems for differentially algebraic functions.
Georg Martin Reinhart*, University of Illinois, Urbana-Champaign
(873-30-134)
-
Saturday March 21, 1992, 8:30 a.m.-10:50 a.m.
Special Session on Semigroups, III
Room 345, Glass Hall
-
8:30 a.m.
Congruences on left Clifford semigroup.
Kar-Ping Shum*, Chinese University of Hong Kong, Hong Kong
(873-20-115)
-
9:00 a.m.
The congruence extension property for semigroups.
Peter R. Jones*, Marquette University
(873-20-94)
-
9:30 a.m.
Semigroups of order 8.
Masamichi Tokizawa*, Chuo University, Japan
(873-20-123)
-
10:00 a.m.
On the elementary theories of relatively free semigroups.
Bella V. Rozenblat*, Open University, Israel
(873-20-140)
-
10:30 a.m.
Commutative semigroup cohomology.
Pierre A. Grillet*, Tulane University
(873-20-08)
-
Saturday March 21, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Harmonic Analysis, III
Room 262, Glass Hall
-
9:00 a.m.
On the duality for the generalized Lorentz spaces.
Sadahiro Saeki*, Kansas State University
(873-46-165)
-
9:30 a.m.
Superharmonic functions in Holder domains.
David Stegenga, University of Hawaii
David Ullrich*, Oklahoma State University, Stillwater
(873-31-51)
-
10:00 a.m.
A probabilistic proof of Furstenberg's theorem.
Andrew G. Bennett*, Kansas State University
(873-60-111)
-
10:30 a.m.
A representation of N_alpha^+ as a union of weighted Hardy spaces.
C. M. Eoff*, University of Arkansas, Fayetteville
(873-30-191)
-
Saturday March 21, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Approximation Theory, III
Room 226, Glass Hall
-
9:00 a.m.
Multivariate probabilistic approximation in wavelet structure.
George Anastassiou*, Memphis State University
Xiang Ming Yu, Southwest Missouri State University
(873-41-06)
-
9:30 a.m.
Constructive ridge function approximation.
E. W. Cheney*, University of Texas, Austin
W. A. Light, University of Leicester, England
Yuan Xu, University of Arkansas, Little Rock
(873-41-87)
-
10:00 a.m.
Good polynomial approximations of functions and their derivatives in L^p[-1,1].
Theodore Kilgore*, Auburn University, Auburn
(873-41-173)
-
10:30 a.m.
A short proof of Burdzy's theorem on the angular derivative.
Stephen J. Gardiner*, McGill University and Univeristy College, Ireland
(873-41-235)
-
Saturday March 21, 1992, 9:00 a.m.-10:50 a.m.
Special Session on Geometry of Affine Space, III
Room 346, Glass Hall
-
9:00 a.m.
Purely inseparable extensions of k[X,Y].
Daniel Daigle*, University of Ottawa
(873-14-92)
-
9:30 a.m.
Smooth contractable hypersurfaces in C^n and exotic algebraic structures on C^3.
Shulim Kaliman*, University of Miami
(873-14-56)
-
10:00 a.m.
Polynomials with smooth fibers and linear differential operators generated by them.
Yosef Stein*, Center of Technological Education, Israel
(873-14-113)
-
10:30 a.m.
Discriminant criterion in characteristic two: Calculations and applications.
Shreeram Abhyankar, Purdue University, West Lafayette
Jun Ou, Purdue University, West Lafayette
Avinash Sathaye*, University of Kentucky
(873-14-91)
-
Saturday March 21, 1992, 9:20 a.m.-10:10 a.m.
Session on Analysis, I
Room 347, Glass Hall
-
9:20 a.m.
The spectral radius of layer-potential operators on convex sets in R^n.
Mark Sand*, Northwest Missouri State University
(873-31-62)
-
9:40 a.m.
Removable singular set of solutions of variational problems.
Libin Mou*, University of Southern California
(873-35-86)
-
10:00 a.m.
Generalizing the contraction condition for non-linear semi-groups.
David Gurney*, Southeastern Louisiana University
(873-46-145)
-
Saturday March 21, 1992, 11:00 a.m.-11:50 a.m.
Invited Address
-
Saturday March 21, 1992, 1:30 p.m.-2:20 p.m.
Invited Address
Algorithms based on guessing: Infinitely nested priority arguments.
Hutchens Auditorium, Glass Hall
Julia F. Knight*, University of Notre Dame
(873-03-233)
-
Saturday March 21, 1992, 3:00 p.m.-4:50 p.m.
Special Session on Harmonic Analysis, IV
Room 262, Glass Hall
-
3:00 p.m.
A remark on singular integrals and power weights.
Fernando Soria, University Autonoma de Madrid, Spain
Guido Weiss*, Washington University
(873-42-14)
-
3:30 p.m.
Spheroidal wave functions and hypergroups.
Clemens Markett, Rheinisch-West Technological University, Germany
William C. Connett*, University of Missouri at St Louis
Alan L. Schwartz, University of Missouri at St Louis
(873-33-117)
-
4:30 p.m.
Special atomic decomposition of Besov spaces on fractal sets.
Geraldo De Souza*, Auburn University
Archil Gulisashvili, Georgia Academy of Sciences, USSR
(873-46-05)
-
Saturday March 21, 1992, 3:00 p.m.-5:20 p.m.
Special Session on Combinatorics and Discrete Geometry, IV
Room 230, Glass Hall
-
3:00 p.m.
Perfect matchings and perfect squares.
William Jockusch*, Massachusetts Institute of Technology
(873-05-78)
-
3:30 p.m.
Combinatorial triality.
Jon Phillips*, Iowa State University
(873-05-23)
-
4:00 p.m.
Transversals for polytopes.
N. Prabhu*, Purdue University, West Lafayette
(873-05-227)
-
4:30 p.m.
A class of Greedoids derived from matroids.
Mark Purtill*, Institute for Defense Analysis and Communications Research Division, New Jersey
(873-05-48)
-
5:00 p.m.
Veldkamp spaces.
Ernest E. Shult*, Kansas State University
(873-51-157)
-
Saturday March 21, 1992, 3:00 p.m.-6:50 p.m.
Special Session on Partial Differential Equations, IV
Room 227, Glass Hall
-
3:00 p.m.
Nonexistence of non-parametric minimal submanifolds with prescribed boundary.
Zhiren Jin*, University of Michigan, Ann Arbor
(873-35-70)
-
3:30 p.m.
Ricci flow on manifolds with boundary generalized Weyl problem.
Georgi Kamberov*, Rice University
(873-53-213)
-
4:00 p.m.
Density condition at infinity and resonance in nonlinear elliptic equations.
M. N. Nkashama*, University of Alabama, Birmingham
(873-35-180)
-
4:30 p.m.
Regularity of higher-dimensional gauge fields.
Thomas Otway*, Yeshiva University
(873-35-100)
-
5:00 p.m.
Finite extinction time for solutions of nonlinear parabolic equations.
Alan V. Lair*, Air Force Institute of Technology
(873-35-61)
-
5:30 p.m.
Hyperbolic degeneracy and blow-up.
Ralph Saxton*, University of New Orleans
(873-35-150)
-
6:00 p.m.
Prescribing Gaussian curvature on surfaces with conical singularities.
Wenxiong Chen*, Southwest Missouri State University
Congming Li, Institute for Advanced Study
(873-35-161)
-
6:30 p.m.
A Neumann problem in subdomain of S^2.
Kanghui Guo, Southwest Missouri State University
Shou Chuan Hu*, Southwest Missouri State University
(873-35-195)
-
Saturday March 21, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Commutative Algebra, IV
Room 343, Glass Hall
-
3:00 p.m.
Indecomposable Cohen-Macaulay modules over one-dimensional rings.
Roger Wiegand, University of Nebraska, Lincoln
Sylvia Wiegand*, University of Nebraska, Lincoln
(873-13-88)
-
3:30 p.m.
Informal Discussion
-
4:00 p.m.
Purity theorems for schemes of small deviation.
S. D. Cutkosky*, University of Missouri, Columbia
(873-13-164)
-
4:30 p.m.
Modules approximated by projectives.
Roger Wiegand*, University of Nebraska, Lincoln
(873-13-65)
-
5:00 p.m.
Descent properties.
D. Weston*, University of Missouri, Columbia
(873-13-242)
-
5:30 p.m.
Flatness of diagonal Rees algebras.
Gary Kennedy*, Ohio State University, Mansfield
(873-13-135)
-
Saturday March 21, 1992, 3:00 p.m.-6:10 p.m.
Special Session on The Geometry of Connections, IV
Room 342, Glass Hall
-
3:00 p.m.
Mean curvature of gauge orbits.
Yohiaki Maeda, Keio University, Japan
Steven Rosenberg, Boston University
Philippe Tondeur*, University of Illinois, Urbana-Champaign
(873-58-90)
-
3:30 p.m.
On the structure of complete embedded simply connected minimal surfaces.
Frederico Xavier*, University of Notre Dame
(873-53-188)
-
4:00 p.m.
Hamilton-Jacobi distributions and almost Hermitian geometry on the cotangent bundle.
Geoffrey Martin*, University of Toledo
(873-53-67)
-
4:30 p.m.
The functional logdet and the geometry of the space of nonparametrised curves on a surface.
Dan Burghelea*, Ohio State University, Columbus
(873-53-103)
-
5:00 p.m.
Holomorphic curves in SO(6)/U(3).
Andrew V. Talmadge*, Arkansas State University
Kichoon Yang, Arkansas State University
(873-53-69)
-
Saturday March 21, 1992, 3:00 p.m.-4:50 p.m.
Special Session on Classical Complex Analysis and Related Areas, IV
Room 340, Glass Hall
-
3:00 p.m.
The space BMO and Teichmuller theory.
Michel Zinsmeister*, University of Bordeaux, France and University of Michigan, Ann Arbor
Kari Astala, University of Helsinki, Finland
(873-30-222)
-
3:30 p.m.
On the zeros of the derivative of a meromorphic function.
A. Eremenko, Purdue University, West Lafayette
J. Langley, Univeristy of Nottingham, England
J. Rossi*, Virginia Polytech Institute & State University
(873-30-223)
-
4:00 p.m.
Circle packings and analytic function theory.
Ken Stephenson*, University of Tennessee, Knoxville
(873-30-99)
-
4:30 p.m.
Informal Discussion
-
Saturday March 21, 1992, 3:00 p.m.-4:50 p.m.
Special Session on Lie Algebras, Cohomology and New Applications to Quantum Mechanics, IV
Room 237, Glass Hall
-
3:00 p.m.
Algebraic approach to scattering.
Y. Alhassid*, Yale University
(873-08-203)
-
3:30 p.m.
Scattering theory and the group representation matrix.
Joseph N. Ginocchio*, Los Alamos National Laboratory
(873-81-179)
-
4:00 p.m.
Some results regarding low-order Hamiltonian operators.
David B. Cooke*, Hastings College
(873-35-181)
-
4:30 p.m.
Embeddings of a Lie algebra into its universal envoloping algebra.
V. Ovsienko*, University de Luminy, France
A. V. Turbiner, University de Luminy, France
(873-22-200)
-
Saturday March 21, 1992, 3:00 p.m.-6:20 p.m.
Special Session on C*-Algebras and Algebraic Topology, IV
Room 344, Glass Hall
-
3:00 p.m.
K-theory of C*-algebras deformed by actions of R^d.
Marc A. Rieffel*, University of California, Berkeley
(873-46-10)
-
3:30 p.m.
Spatial deformation quantization for C*-algebras.
Gabriel Nagy*, University of California, Berkeley
(873-47-187)
-
4:00 p.m.
The rectifiable metric on the space of projections in a C*-algebra.
N. Christopher Phillips*, University of Oregon
(873-46-49)
-
4:30 p.m.
Cuntz-Krieger algebras associated with Fuchsian groups.
Jack Spielberg*, Arizona State University
(873-46-185)
-
5:00 p.m.
Primitive ideal spaces of central twisted crossed product C*-algebras.
Lawrence Baggett, University of Colorado, Boulder
Judith A. Packer*, University of Colorado, Boulder
(873-46-29)
-
5:30 p.m.
Projective C*-algebras.
Terry A. Loring*, University of New Mexico
(873-46-219)
-
6:00 p.m.
Cohomology for operator algebras.
Frank Gilfeather*, University of New Mexico
Roger R. Smith, Texas A\thsp\&\thsp M University, College Station
(873-47-57)
-
Saturday March 21, 1992, 3:00 p.m.-5:50 p.m.
Special Session on Semigroups, IV
Room 345, Glass Hall
-
3:00 p.m.
Q-universal quasivarieties of algebras.
M. E. Adams*, State University of New York, College at New Paltz
W. Dziobiak, N. Copernicus Univeristy, Poland
(873-20-84)
-
3:30 p.m.
Semigroup varieties closed for the Bruck extension.
Francis J. Pastijn*, Marquette University
Xiaoying Yan, Marquette University
(873-20-35)
-
4:00 p.m.
Varieties of inverse semigroups and strongly unsolvable word problem.
John C. Meakin, University of Nebraska, Lincoln
Mark V. Sapir*, University of Nebraska, Lincoln
(873-20-139)
-
4:30 p.m.
Inverse algebras.
Jonathan Leech*, Westmont College
(873-20-95)
-
5:00 p.m.
One-relator orthogroups.
K. S. Ajan*, Marquette University
(873-20-34)
-
5:30 p.m.
The height of the set of principal ideals in the semigroup of binary relations.
Mike Breen*, Tennessee Technological University
(873-20-20)
-
Saturday March 21, 1992, 3:00 p.m.-5:20 p.m.
Special Session on Geometry of Affine Space, IV
Room 346, Glass Hall
-
3:00 p.m.
Orthogonal and symplectic matrix invariants.
George Seelinger*, Northern Illinois University
(873-14-93)
-
3:30 p.m.
Unramified coverings of the affine line in nonzero characteristic.
Shreeram S. Abhyankar*, Purdue University, West Lafayette
(873-14-13)
-
4:00 p.m.
On the face problem for automorphisms and birational maps of affine spaces.
Wei Li*, McGill University
Jietai Yu, University of Notre Dame
(873-14-18)
-
4:30 p.m.
Power-exact, nilpotent, homogeneous matrices and ten questions about Keller's Jacobian conjecture.
Gary Meisters*, University of Nebraska, Lincoln
Czeslaw Olech, Polish Academy of Sciences, Poland
(873-15-125)
-
5:00 p.m.
Rationally triangulable G_a actions.
James K. Deveney*, Virginia Commonwealth University
David Finston, New Mexico State University, Las Cruces
(873-12-50)
-
Saturday March 21, 1992, 3:00 p.m.-3:50 p.m.
Session on Analysis, II
Room 347, Glass Hall
-
3:00 p.m.
Boolean lattices of function algebras on rectangular groups in Euclidean spaces.
Hassan Sedaghat*, Virginia Commonwealth University
(873-22-77)
-
3:20 p.m.
On the deficiencies of oriented functions.
Arturo Fernandez Arias*, Universidad a Distancia, Spain and University of Wisconsin, Madison
(873-31-208)
-
3:40 p.m.
Invariant extensions of holomorphic motions.
Zbigniews Slodkowski*, University of Illinois, Chicago
(873-30-234)
Inquiries: meet@ams.org
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