AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:10:44
2002 Fall Central Section Meeting
Madison, WI, October 1213, 2002
Meeting #980
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Sunday October 13, 2002

Sunday October 13, 2002, 8:00 a.m.12:00 p.m.
Meeting Registration
Lobby, Van Vleck Hall 
Sunday October 13, 2002, 8:00 a.m.11:20 a.m.
Special Session on Group Cohomology and Homotopy Theory, III
Room B235, Van Vleck Hall
Organizers:
Alejandro Adem, University of WisconsinMadison adem@math.wisc.edu
Jesper Grodal, Institute for Advanced Study jg@ias.edu

8:00 a.m.
HKR Theorem for Smooth $S$algebras.
Randy McCarthy, University of Illinois
Vahagn Minasian*, University of Illinois
(9805535) 
8:30 a.m.
A cohomological approach to automorphism group rings.
John R. Martino, Western Michigan University
Stewart B. Priddy*, Northwestern University
(9802093) 
9:00 a.m.
The Module Structure of Rings and Cohomology of Groups.
Dikran B. Karagueuzian*, SUNY Binghamton
(98020228) 
9:30 a.m.
The pchain spectral sequence.
James F. Davis*, Indiana University
Wolfgang Lueck, University of Muenster
(9805533) 
10:00 a.m.
Localizations of Groups.
Mark Feshbach*, University of Minnesota
Bernard Badzioch, Univeristy of Minnesota
(98055181) 
10:30 a.m.
Steenrod operations on $H^*(Map_.(X, S^n))$ for surfaces $X$.
Craig C Westerland*, University of Michigan
(9805561) 
11:00 a.m.
Minimal Atomic Complexes.
A. J. Baker, Glasgow University
J. P. May*, The University of Chicago
(98055255)

8:00 a.m.

Sunday October 13, 2002, 8:00 a.m.11:20 a.m.
Special Session on Ring Theory and Related Topics, III
Room B105, Van Vleck Hall
Organizers:
Don Passman, University of WisconsinMadison passman@math.wisc.edu

8:00 a.m.
Row and column finite matrices.
Victor P. Camillo*, University of Iowa
J. J. Simon, University of Murcia
F. J. CostaCano, University of Murcia
(9801639) 
8:30 a.m.
Classical Simple Lie Superalgebras, Clifford Algebras and Induced Modules.
Ian M. Musson*, UWMilwaukee
(98016111) 
9:00 a.m.
Euler classes of crystallographic groups and Hopf algebras.
Martin Lorenz*, Temple University
(9801623) 
9:30 a.m.
Noetherianity of the Space of Irreducible Representations.
Edward S Letzter*, Temple University
(98016119) 
10:00 a.m.
Hochschild cohomology and representations of crossed products.
Sarah Witherspoon*, Amherst College
(98016180) 
10:30 a.m.
The correspondence between groups and their restricted Lie algebras for some classes of groups.
A I Lichtman*, University of Wisconsin  Parkside
(98020291) 
11:00 a.m.
On centralizers in the quantum plane algebra.
Leonid MakarLimanov*, Wayne State University
(9801663)

8:00 a.m.

Sunday October 13, 2002, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Room B227, Van Vleck Hall 
Sunday October 13, 2002, 8:30 a.m.11:25 a.m.
Special Session on Arithmetic Algebraic Geometry, III
Room B113, Van Vleck Hall
Organizers:
Ken Ono, University of WisconsinMadison ono@math.wisc.edu
Tonghai Yang, University of WisconsinMadison thyang@math.wisc.edu

8:30 a.m.
Vanishing of $L$functions and ranks of Selmer groups.
Chris Skinner*, University of Michigan
(98011317) 
9:00 a.m.
Cubic structures and lattices of cusp forms.
Ted Chinburg, University of Pennsylvania
Georgios Pappas*, Michigan State University
Martin Taylor, UMIST
(98011237) 
9:30 a.m.
Central Values for Twisted $L$Functions.
Hui Xue*, Dept. of Math, Columbia University
(98011123) 
10:00 a.m.
On certain unitary group Shimura varieties.
Elena Mantovan*, Miller Institute, UC Berkeley
(98011145) 
10:30 a.m.
Rational points on Drinfeld modular curves.
Imin Chen*, Simon Fraser University
(98011238) 
11:00 a.m.
Arithmetic of anticyclotomic $L$functions and theta functions.
Tobias Finis*, University of California, Los Angeles
(98011303)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:10 a.m.
Special Session on Several Complex Variables, III
Room B317, Van Vleck Hall
Organizers:
Pat Ahern, University of WisconsinMadison ahern@math.wisc.edu
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu
Alex Nagel, University of WisconsinMadison nagel@math.wisc.edu
JeanPierre Rosay, University of WisconsinMadison jrosay@math.wisc.edu

8:30 a.m.
Rational Proper Mappings between Balls.
John P. D'Angelo*, University of Illinois, Urbana
(9803215) 
9:30 a.m.
Sampling and Interpolation on Riemann Surfaces.
Dror Varolin*, University of Illinois
(98032316) 
10:30 a.m.
Analyticity of CR mappings.
Sergey I. Pinchuk*, Indiana University
(9803276)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:25 a.m.
Special Session on Harmonic Analysis, III
Room B341, Van Vleck Hall
Organizers:
Alex Ionescu, University of WisconsinMadison ionescu@math.wisc.edu
Andreas Seeger, University of WisconsinMadison seeger@math.wisc.edu

8:30 a.m.
Unique continuation for nonlinear dispersive equations.
Carlos E. Kenig*, University of Chicago
(98035120) 
9:30 a.m.
Geometric inequalities on hyperbolic space and SL(2,R).
William Beckner*, University of Texas at Austin
(9805884) 
10:00 a.m.
On the distribution of lattice points on spheres and kspheres.
Akos Magyar*, University of Georgia
(98042297) 
10:30 a.m.
Distribution of lattice points in random ellipsoids.
Steve Hofmann, University of Missouri
Alex Iosevich*, University of Missouri
(98011190) 
11:00 a.m.
Dispersive estimates for principally normal pseudodifferential operators.
Daniel Tataru*, UC Berkeley
(9803580)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:20 a.m.
Special Session on Partial Differential Equations and Geometry, III
Room B309, Van Vleck Hall
Organizers:
Sigurd Angenent, University of WisconsinMadison angenent@math.wisc.edu
Mikhail Feldman, University of WisconsinMadison feldman@math.wisc.edu

8:30 a.m.
Discussion 
9:00 a.m.
Stable 3d vortex solutions of the GinzburgLandau system.
Alberto Montero, Indiana University
Peter J Sternberg*, Indiana University
William Ziemer, Indiana University
(98035172) 
9:30 a.m.
Counterexamples for Local Isometric Embedding.
Nikolai Nadirashvili, University of Chicago
Yu Yuan*, University of Washington
(98053168) 
10:30 a.m.
On singularities of the KaehlerRicci flow.
HuaiDong Cao*, IPAM and TAMU
(98053116) 
11:00 a.m.
An example of neck pinching for the Ricci flow on $S^n$.
Sigurd Angenent, University of Wisconsin  Madison
Dan F Knopf*, University of Iowa
(98053301)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:25 a.m.
Special Session on Geometric Methods in Differential Equations, III
Room B305, Van Vleck Hall
Organizers:
Gloria Mari Beffa, University of WisconsinMadison maribeff@math.wisc.edu
Peter Olver, University of Minnesota olver@ima.umn.edu

8:30 a.m.
On pseudopotentials, nonlocal symmetries and integrability of some shallow water equations.
Enrique G. Reyes*, University of Oklahoma
(98035247) 
9:00 a.m.
Discussion 
9:30 a.m.
Discussion 
10:00 a.m.
Orbit reduction and Gauge Theory.
Vladimir Itskov*, MaxPlanckInstitut f\"ur Mathematik
(98053222) 
10:30 a.m.
Equivariant Isometric Immersion of Riemannian Manifolds with Symmetries.
Daniel Grossman*, University of Chicago
(98053314) 
11:00 a.m.
Discussion

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:20 a.m.
Special Session on Hyperbolic Differential Equations and Kinetic Theory, III
Room B325, Van Vleck Hall
Organizers:
Shi Jin, University of WisconsinMadison jin@math.wisc.edu
Marshall Slemrod, University of WisconsinMadison slemrod@math.wisc.edu
Athanassios Tzavaras, University of WisconsinMadison tzavaras@math.wisc.edu

9:00 a.m.
Discussion 
9:30 a.m.
Discussion 
10:00 a.m.
A hydrodynamic theory for mixtures of polymerliquid crystal polymer system.
Qi Wang*, Florida State University
(98035142) 
10:30 a.m.
An Eulerian Method for Multiphase Computations of the Schr\"odinger Equation.
Shi Jin, UWMadison
Xiantao Li*, Princeton University
(98065193) 
11:00 a.m.
Kinetic Decomposition of Approximate Solutions to Conservation Laws.
Seok Hwang*, University of Southern California
(9803560)

9:00 a.m.

Sunday October 13, 2002, 8:30 a.m.11:15 a.m.
Special Session on Lie Algebras and Related Topics, III
Room B129, Van Vleck Hall
Organizers:
Georgia Benkart, University of WisconsinMadison benkart@math.wisc.edu
Arun Ram, University of WisconsinMadison ram@math.wisc.edu

8:30 a.m.
Twisted quantum toroidal algebras.
Yun Gao*, York University
Naihuan Jing, North Carolina State University
(98017208) 
9:30 a.m.
A Hecke theoretic shadow of tensoring the crystal of the basic representation with a level $1$ perfect crystal.
Monica J Vazirani*, Caltech
(98005264) 
10:30 a.m.
Virtual Kleber algorithm.
Masato Okado, Osaka University
Anne Schilling*, UC Davis
Mark Shimozono, Virginia Tech
(98005234)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:25 a.m.
Special Session on Dynamical Systems, III
Room B215, Van Vleck Hall
Organizers:
Sergey Bolotin, University of WisconsinMadison bolotin@math.wisc.edu
Paul Rabinowitz, University of WisconsinMadison rabinowi@math.wisc.edu

8:30 a.m.
Isolating Blocks for the ThreeBody Problem.
Richard B. Moeckel*, University of Minnesota
(9807069) 
9:00 a.m.
Some variational aspects of the Newtonian Nbody problem.
KuoChang Chen*, University of Arizona
(9803767) 
9:30 a.m.
Zero entropy, nonintegrable geodesic flows and a noncommutative rotation vector.
Leo T Butler*, Northwestern University
(9803748) 
10:30 a.m.
Forcing in parabolic flows via braids.
Robert Ghrist*, University of Illinois, Urbana
Robert Vandervorst, VU Amsterdam
(9803768) 
11:00 a.m.
Bifurcations and stability analysis of a threedimensional nonautonomous model of molecular systems.
Ufuk Taneri*, Department of Mathematics, Eastern Mediterranean University
(98037309)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:20 a.m.
Special Session on Biological Computation and Learning in Intelligent Systems, III
Room B329, Van Vleck Hall
Organizers:
Shunichi Amari, RIKEN amari@brain.riken.go.jp
Amir Assadi, University of WisconsinMadison assadi@math.wisc.edu
Tomaso Poggio, Massachusetts Institute of Technology tp@ai.mit.edu

8:30 a.m.
Singularities in the geometry of statistical inference.
Kenji Fukumizu*, Institute of Statistical Mathematics
(98062179) 
9:30 a.m.
Algebraic Geometry of Neural Network Learning.
Sumio Watanabe*, Tokyo Institute of Technology
(9806899) 
10:30 a.m.
Physiological evidence of 1st order phase transitions by mesoscopic populations in neocortex.
Walter J Freeman*, University of California at Berkeley
(98092185) 
11:00 a.m.
Analysis and modeling of sensory systems with Rate Distortion Theory.
Alexander G Dimitrov*, Montana State University
(98092288)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:20 a.m.
Special Session on Combinatorics and Special Functions, III
Room B321, Van Vleck Hall
Organizers:
Richard Askey, University of WisconsinMadison askey@math.wisc.edu
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

8:30 a.m.
Sign Variations on the Macdonald Identities.
David M Bressoud*, Macalester College
(9800553) 
9:00 a.m.
New RamanujanKolberg Type Partition Identities.
Heekyoung Hahn*, UIUC
Heng Huat Chan, National University of Singapore
Richard P Lewis, University of Sussex
Siew Lian Tan, Singapore
(98011175) 
9:30 a.m.
Asymptotics of Krawtchouk polynomials and the covering radius of linear codes.
A. Ashikhmin, Bell Labs, Lucent Technologies
A. Barg*, Bell Labs, Lucent Technologies
(98094260) 
10:00 a.m.
Determinants of Period Matrices and Applications to Multidimensional Beta Integrals.
Qifu Zheng*, The College of New Jersey
(98033129) 
10:30 a.m.
Some derivative identities and applications.
Warren P Johnson*, Bates College
(98005100) 
11:00 a.m.
Generalized Frobenius partitions with $k$ colors and Generalized Frobenius partitions with $k$ repetitions.
Ae Ja Yee*, University of Illinois at UrbanaChampaign
(98005281)

8:30 a.m.

Sunday October 13, 2002, 8:30 a.m.11:20 a.m.
Special Session on Characters and Representations of Finite Groups, III
Room B119, Van Vleck Hall
Organizers:
Martin Isaacs, University of Wisconsin, Madison isaacs@math.wisc.edu
Mark Lewis, Kent State University lewis@mcs.kent.edu

8:30 a.m.
Applications of algebraic group methods to finite pgroups.
George Glauberman*, University of Chicago
(9802018) 
9:00 a.m.
Recent Progress on the k(GV) Problem.
David H. Gluck*, Wayne State University
Kay Magaard, Wayne State University
(9802070) 
9:30 a.m.
Product of characters and derived length.
Edith AdanBante*, UIUC
(9802057) 
10:00 a.m.
On the number of conjugacy classes of zeros of characters.
Alexander Moret\'o, Mathematics Department, University of Wisconsin, Madison, WI
Josu Sangroniz*, Departamento de Matem\'aticas, Universidad del Pa\'\i s Vasco, Bilbao, Spain
(98020133) 
10:30 a.m.
On the Existence and Uniqueness of Thompson's Sporadic Simple Group.
Michael Weller*, Institute for Experimental Mathematics, University of Essen, Germany
(98020114) 
11:00 a.m.
Dimensions of Gsets, sharp characters and the Burnside ring.
Kenneth W Johnson*, Penn State University, Abington College
Eirini Poimenidou, New College, Sarasota
(98020210)

8:30 a.m.

Sunday October 13, 2002, 9:00 a.m.11:20 a.m.
Special Session on Arrangements of Hyperplanes, III
Room B219, Van Vleck Hall
Organizers:
Daniel C. Cohen, Louisiana State University cohen@math.lsu.edu
Peter Orlik, University of WisconsinMadison orlik@math.wisc.edu
Anne Shepler, University of California Santa Cruz ashepler@math.ucsc.edu

9:00 a.m.
On braid groups, free groups, and the loop space of the $2$sphere.
Frederick R. Cohen*, University of Rochester
Jie Wu, National University of Singapore
(98055184) 
9:30 a.m.
Discrete models for algebraic invariants of spaces of polynomials.
Dmitry N Kozlov*, U. Bern / KTH Stockholm
(98057106) 
10:00 a.m.
Chen Lie algebras and combinatorics of arrangements.
Stefan Papadima, Institute of Mathematics, Romanian Academy
Alexander I Suciu*, Northeastern University
(98020170) 
10:30 a.m.
Reflection Groups, Mysterious Numerology, and the Coinvariant Algebra.
Anne V Shepler*, University of North Texas
(98020294) 
11:00 a.m.
Discriminantal arrangements, critical points, and resonant local systems.
Daniel C. Cohen*, Louisiana State University
Alexander Varchenko, University of North Carolina
(98032307)

9:00 a.m.

Sunday October 13, 2002, 9:00 a.m.10:45 a.m.
Special Session on Probability, III
Room B313, Van Vleck Hall
Organizers:
David Griffeath, University of WisconsinMadison griffeat@math.wisc.edu
Timo Seppalainen, University of WisconsinMadison seppalai@math.wisc.edu

9:00 a.m.
Refinement of Wigner semicircle law in a neighborhood of the spectrum edge for random symmetric matrices with distribution of matrix elements decaying polynomially at infinity.
Anastasia A Ruzmaikina*, Purdue University
(9806083) 
10:00 a.m.
The Fluid Limit of an Overloaded Processor Sharing Queue.
Amber L. Puha*, Cal State San Marcos
Alexander L. Stolyar, Bell Laboratories
Ruth J. Williams, UCSD
(98060146)

9:00 a.m.

Sunday October 13, 2002, 9:00 a.m.11:20 a.m.
Special Session on Lie Groups and Their Representations, III
Room B131, Van Vleck Hall
Organizers:
R. Michael Howe, University of Wisconsin, Eau Claire hower@uwec.edu
Gail D. Ratcliff, East Carolina University ratcliffg@mail.ecu.edu

9:00 a.m.
Orbit duality for flag manifolds.
John D Lorch*, Ball State University
(9802243) 
9:30 a.m.
Flag domains, cycle spaces, and the AkhiezerGindikin domain.
Ralph J Bremigan*, Ball State University
(9802242) 
10:30 a.m.
Noncrystallographic Springer correspondences.
C. Kriloff*, Idaho State University
A. Ram, University of Wisconsin
(98020251) 
11:00 a.m.
Centralizer Algebras.
Cheryl Grood*, Swarthmore College
(9801696)

9:00 a.m.

Sunday October 13, 2002, 9:30 a.m.11:20 a.m.
Special Session on Effectiveness Questions in Model Theory, III
Room B203, Van Vleck Hall
Organizers:
Charles McCoy, University of WisconsinMadison mccoy@math.wisc.edu
Reed Solomon, University of WisconsinMadison rsolomon@math.wisc.edu
Patrick Speissegger, University of WisconsinMadison speisseg@math.wisc.edu

9:30 a.m.
Extracting syntactic proofs from modeltheoretic arguments.
Jeremy Avigad*, Carnegie Mellon University
(98003157) 
10:00 a.m.
A positive perspective on computable analysis.
Joseph S. Miller*, Indiana University
(98003295) 
10:30 a.m.
A model completeness result arising from recursive model theory.
Michael C. Laskowski*, University of Maryland
(98003271) 
11:00 a.m.
On decidable prime models.
Jessica Millar Young*, Harvard
(98003280)

9:30 a.m.

Sunday October 13, 2002, 9:30 a.m.11:30 a.m.
Special Presentation: Part I
TA development using case studies: A workshop for faculty.
Room B211, Van Vleck Hall
Organizers:
Diane Herrmann, University of Chicago 
Sunday October 13, 2002, 10:00 a.m.11:20 a.m.
Special Session on Optimal Geometry of Curves and Surfaces, III
Room B337, Van Vleck Hall
Organizers:
Jason H. Cantarella, University of Georgia cantarel@math.uga.edu
John M. Sullivan, University of Illinois, Urbana jms@math.uiuc.edu

9:30 a.m.
The Honeycomb Conjecture And Its Generalizations.
Thomas C. Hales*, University of Pittsburgh
(98051319) 
10:00 a.m.
Deformations of Minimal Surfaces in Euclidean Space.
Matthias Weber*, Indiana University
(9805374) 
10:30 a.m.
Unstable periodic discrete minimal surfaces.
Konrad Polthier*, Technical University Berlin
(98053221) 
11:00 a.m.
Bifurcation Analysis for Constant Mean Curvature Spanners of Annular Type.
Henry C Wente*, University of Toledo
(98049203)

9:30 a.m.

Sunday October 13, 2002, 11:40 a.m.12:30 p.m.
Invited Address
General properties of solutions to second order elliptic and parabolic equations
Room B102, Van Vleck Hall
Mikhail Safonov*, University of Minnesota 
Sunday October 13, 2002, 2:00 p.m.2:50 p.m.
Invited Address
Optimal Geometry in Topology.
Room B102, Van Vleck Hall
John M Sullivan*, Univ. of Illinois, Urbana
(98053194) 
Sunday October 13, 2002, 3:00 p.m.5:25 p.m.
Special Session on Arithmetic Algebraic Geometry, IV
Room B113, Van Vleck Hall
Organizers:
Ken Ono, University of WisconsinMadison ono@math.wisc.edu
Tonghai Yang, University of WisconsinMadison thyang@math.wisc.edu

3:00 p.m.
Discussion 
3:30 p.m.
Modular Form Congruences and Selmer Groups.
William J McGraw*, University of Wisconsin
Ken Ono, University of Wisconsin
(9801147) 
4:00 p.m.
Explicit Structures of Siegel Modular Forms and Differential Operators.
Tomoyoshi Ibukiyama*, Osaka University
(98011135) 
4:30 p.m.
Optimal elliptic curves and their $j$invariants.
Mihran Papikian*, University of Michigan
(98011250) 
5:00 p.m.
Discussion

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:50 p.m.
Special Session on Several Complex Variables, IV
Room B317, Van Vleck Hall
Organizers:
Pat Ahern, University of WisconsinMadison ahern@math.wisc.edu
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu
Alex Nagel, University of WisconsinMadison nagel@math.wisc.edu
JeanPierre Rosay, University of WisconsinMadison jrosay@math.wisc.edu

3:00 p.m.
Rational Approximation on the Unit Sphere in ${\bf C}^2$.
John T Anderson*, College of the Holy Cross
Alexander J Izzo, Bowling Green State University
John Wermer, Brown University
(9803222) 
3:30 p.m.
Interpolating between a theorem of \v Cirka and a theorem of Axler and Shields.
Alexander J. Izzo*, Bowling Green State University
(9803024) 
4:00 p.m.
Holomorphic Line Bundles on the Loop Space of the Riemann Sphere.
Ning Zhang*, Purdue University
(9805859) 
4:30 p.m.
Plurisubharmonic Lyapunov functions.
Malgorzata S. Stawiska*, Purdue University
(98032292) 
5:00 p.m.
Practical tests for $H^\infty$ optima.
J William Helton, University of California San Diego
Marshall A Whittlesey*, California State University San Marcos
(98032254) 
5:30 p.m.
The existence of universal inner functions on the unit ball of $C^n$.
Paul M. Gauthier*, Universit\'e de Montr\'eal
Jie Xiao, Concordia University
(9803207)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.3:55 p.m.
Special Session on Harmonic Analysis, IV
Room B341, Van Vleck Hall
Organizers:
Alex Ionescu, University of WisconsinMadison ionescu@math.wisc.edu
Andreas Seeger, University of WisconsinMadison seeger@math.wisc.edu

3:00 p.m.
Bellman functions, selfimprovement of quadratic forms, and asymptotic estimates of the AhlforsBeurling transform in $L^p$, $p\rightarrow\infty$.
Alexander Volberg*, Michigan State University
(98042143) 
3:30 p.m.
Some minimum problems for hyperbolic metrics.
Albert II Baernstein*, Washington University
A. Eremenko, Purdue University
A. Fryntov, Ottawa, Ontario
A. Solynin, Steklov Institute, St.Petersburg, Russia
(98030163)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:55 p.m.
Special Session on Geometric Methods in Differential Equations, IV
Room B305, Van Vleck Hall
Organizers:
Gloria Mari Beffa, University of WisconsinMadison maribeff@math.wisc.edu
Peter Olver, University of Minnesota olver@ima.umn.edu

3:00 p.m.
Symmetry reductions via moving frame method.
Irina A Kogan*, Yale University
(98053202) 
3:30 p.m.
Moving frames for pseudogroups.
Peter J. Olver*, University of Minnesota
(9802272) 
4:00 p.m.
Dynamics of Groups on Lorentz Manifolds.
Scot R Adams*, University of Minnesota
(9803778) 
4:30 p.m.
Discussion 
5:00 p.m.
Variational Principles For The Canonical Connection On A Lie Group.
Ryad A Ghanam*, University of WisconsinRock County
(98053282)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.4:20 p.m.
Special Session on Effectiveness Questions in Model Theory, IV
Room B203, Van Vleck Hall
Organizers:
Charles McCoy, University of WisconsinMadison mccoy@math.wisc.edu
Reed Solomon, University of WisconsinMadison rsolomon@math.wisc.edu
Patrick Speissegger, University of WisconsinMadison speisseg@math.wisc.edu

3:00 p.m.
Complicated relations on computable structures.
S. S. Goncharov, Novosibirsk State University
V. S. Harizanov, George Washington University
J. F. Knight*, University of Notre Dame
R. A. Shore, Cornell University
(98003183) 
3:30 p.m.
Asymptotic theories of differential fields.
Zo\'e M Chatzidakis*, CNRS  Universite Paris 7
(98003278) 
4:00 p.m.
Discussion

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.4:50 p.m.
Special Session on Hyperbolic Differential Equations and Kinetic Theory, IV
Room B325, Van Vleck Hall
Organizers:
Shi Jin, University of WisconsinMadison jin@math.wisc.edu
Marshall Slemrod, University of WisconsinMadison slemrod@math.wisc.edu
Athanassios Tzavaras, University of WisconsinMadison tzavaras@math.wisc.edu

3:00 p.m.
Time reversal of classical waves in random media.
Lenya Ryzhik*, University of Chicago
Guillaume Bal, Columbia University
(9803554) 
3:30 p.m.
Scaling laws for viscous fingering of miscible fluids.
Govind Menon*, Univ. of Wisconsin, Madison
Felix Otto, University of Bonn
(9803506) 
4:00 p.m.
Piecewise Selfsimilar Solutions and a Numerical Scheme for Scalar Conservation Laws.
Yong Jung Kim*, Kyunghee University (Korea)
(98035197) 
4:30 p.m.
$L^1$ stability of kinetic equations with collision terms.
SeungYeal Ha*, Department of Mathematics/University of WisconsinMadison
(9803597)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:20 p.m.
Special Session on Ring Theory and Related Topics, IV
Room B105, Van Vleck Hall
Organizers:
Don Passman, University of WisconsinMadison passman@math.wisc.edu

3:00 p.m.
Lattice Invariants and Noether's problem.
Esther Beneish*, Central Michigan University
(98016151) 
3:30 p.m.
Frobenius kernels and their quantum analogs.
Stefan Catoiu*, DePaul University
(98016144) 
4:00 p.m.
Spectra of quantized hyperalgebras at roots of 1.
William Chin*, DePaul University
Leonid Krop, DePaul University
(98016169) 
4:30 p.m.
Representations of Drinfeld doubles.
Declan P Quinn*, Syracuse University
Sebastian M Burciu, Syracuse University
(98016159) 
5:00 p.m.
On the Coradical Filtration of Pointed Coalgebras.
Darren B Parker*,
(9801611)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:45 p.m.
Special Session on Lie Algebras and Related Topics, IV
Room B129, Van Vleck Hall
Organizers:
Georgia Benkart, University of WisconsinMadison benkart@math.wisc.edu
Arun Ram, University of WisconsinMadison ram@math.wisc.edu

3:00 p.m.
Positivity of quiver cycles via deformation.
Allen Knutson, UC Berkeley
Ezra Miller, MSRI, University of Minnesota
Mark Shimozono*, Virginia Polytechnic Institute and State University
(98014239) 
4:00 p.m.
A modified signed Brauer algebra as centralizer algebra of the unitary group.
Alberto Elduque*, University of Zaragoza
(98017134) 
5:00 p.m.
Cohomology for Symmetric Groups  Preliminary Report.
David J Hemmer*, University of Georgia
(98020177)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:45 p.m.
Special Session on Probability, IV
Room B313, Van Vleck Hall
Organizers:
David Griffeath, University of WisconsinMadison griffeat@math.wisc.edu
Timo Seppalainen, University of WisconsinMadison seppalai@math.wisc.edu

3:00 p.m.
Continuous Processes Have Gaussian Short Term Behavior.
Masanori Hino, Kyoto University
Jose Ramirez*, Cornell University
(98060153) 
4:00 p.m.
A martingale proof of Dobrushin's theorem for nonhomogeneous Markov chains.
Sunder Sethuraman*, Iowa State University
S.R.S. Varadhan, Courant Institute
(98060214) 
5:00 p.m.
Remarks on the homogenization of stochastic HamiltonJacobi equations.
Elena Kosygina*, Baruch College  CUNY
Fraydoun Rezakhanlou, University of California, Berkeley
(98060174)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:50 p.m.
Special Session on Biological Computation and Learning in Intelligent Systems, IV
Room B329, Van Vleck Hall
Organizers:
Shunichi Amari, RIKEN amari@brain.riken.go.jp
Amir Assadi, University of WisconsinMadison assadi@math.wisc.edu
Tomaso Poggio, Massachusetts Institute of Technology tp@ai.mit.edu

3:00 p.m.
Synchrony, spiketimingdependent plasticity and olfactory learning.
Christiane Linster*, Cornell University
Thomas A. Cleland, Cornell University
(98092275) 
3:30 p.m.
Riemannian Geometry in Psychological Models of Representation: An InfiniteDimensional Riemannian Face Space.
James T. Townsend, Indiana University
Bruce Solomon, Indiana University
Jesse SpencerSmith*, Beckman Institute
(98053229) 
4:00 p.m.
Discussion 
5:00 p.m.
Discussion 
5:30 p.m.
Neuronal Dynamics and Sparse Coding In The Cortex.
Amir H Assadi*, University of WisconsinMadison
(98092186)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:50 p.m.
Special Session on Combinatorics and Special Functions, IV
Room B321, Van Vleck Hall
Organizers:
Richard Askey, University of WisconsinMadison askey@math.wisc.edu
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

3:00 p.m.
Sieved qbinomial coefficients.
Dennis Stanton*, University of Minnesota
Dennis White, University of Minnesota
(98005223) 
3:30 p.m.
Quantum supergroup and qpolynomials.
Yi Ming Zou*, University of WisconsinMilwaukee
(9802271) 
4:00 p.m.
Pseudo primitive idempotents and almost 2homogeneous bipartite distanceregular graphs.
Michael S Lang*, University of Wisconsin  La Crosse
(98005298) 
4:30 p.m.
Elliptic hypergeometric series on root systems.
Hjalmar Rosengren*, Chalmers University
(98033268) 
5:00 p.m.
AskeyWilson type functions, with bound states.
Luc N. Haine*, University of Louvain
Plamen I. Iliev, University of California at Berkeley
(98033115) 
5:30 p.m.
The $q$Difference Operator and the RogersRamanujan Identities.
George E. Andrews*, Penn State University
(98005178)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:50 p.m.
Special Session on Characters and Representations of Finite Groups, IV
Room B119, Van Vleck Hall
Organizers:
Martin Isaacs, University of Wisconsin, Madison isaacs@math.wisc.edu
Mark Lewis, Kent State University lewis@mcs.kent.edu

3:00 p.m.
Divisibility and character degrees of solvable groups.
Alex Moreto, Universidad del Pais Vasco
Thomas R Wolf*, Ohio University
(98020289) 
3:30 p.m.
Nondivisibility among character degrees.
Mark L Lewis, Kent State University
Alexander Moreto*, University of Wisonsin, Madison
(98020158) 
4:00 p.m.
Bounding graph diameters of solvable groups.
John K. McVey*, Clarion University of Pennsylvania
(9802051) 
4:30 p.m.
Solvable Groups Satisfying The TwoPrime Hypothesis.
James E. Hamblin*, Shippensburg University
(98020136) 
5:00 p.m.
Derived length and character degrees of some $p$groups.
Thomas Michael Keller*, Southwest Texas State University
Dustin Ragan, Trinity University
Geoffrey T. Tims, Drake University
(9802086) 
5:30 p.m.
A family of polynomials related to generic degrees.
Dean Alvis*, Indiana University South Bend
(98020132)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.4:30 p.m.
Special Session on Optimal Geometry of Curves and Surfaces, IV
Room B337, Van Vleck Hall
Organizers:
Jason H. Cantarella, University of Georgia cantarel@math.uga.edu
John M. Sullivan, University of Illinois, Urbana jms@math.uiuc.edu

3:00 p.m.
Discussion

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:20 p.m.
Special Session on Lie Groups and Their Representations, IV
Room B131, Van Vleck Hall
Organizers:
R. Michael Howe, University of Wisconsin, Eau Claire hower@uwec.edu
Gail D. Ratcliff, East Carolina University ratcliffg@mail.ecu.edu

3:00 p.m.
On the Supercuspidal Representations of the the twofold cover of SL(2) over a 2adic field.
David Manderscheid*, University of Iowa
(9802279) 
3:30 p.m.
The Langlands classification for nonconnected groups and applications.
Chris S. Jantzen*, East Carolina University
(98022218) 
4:30 p.m.
A brief introduction to modular representation theory of algebraic groups.
Christopher P Bendel*, University of WisconsinStout
(9802038) 
5:00 p.m.
The Representations of D1.
Manouchehr Misaghian*, JCSU
(98022105)

3:00 p.m.

Sunday October 13, 2002, 3:00 p.m.5:00 p.m.
Special Presentation, Part II
TA development using case studies: A workshop for faculty.
Room B211, Van Vleck Hall
Organizers:
Diane Herrmann, University of Chicago