AMS Sectional Meeting Full Program
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
Saturday October 12, 2002

Saturday October 12, 2002, 7:30 a.m.4:30 p.m.
Meeting Registration
Lobby, Van Vleck Hall 
Saturday October 12, 2002, 7:30 a.m.4:30 a.m.
Exhibit and Book Sale
Room B227, Van Vleck Hall 
Saturday October 12, 2002, 9:00 a.m.11:25 a.m.
Special Session on Arithmetic Algebraic Geometry, I
Room B113, Van Vleck Hall
Organizers:
Ken Ono, University of WisconsinMadison ono@math.wisc.edu
Tonghai Yang, University of WisconsinMadison thyang@math.wisc.edu

9:00 a.m.
JungHirzebruch resolution for arithmetic surfaces.
Brian Conrad*, University of Michigan
(9801464) 
9:30 a.m.
Kummer theory of abelian varieties and reductions of MordellWeil groups.
Tom Weston*, University of California, Berkeley
(9801158) 
10:00 a.m.
Euler systems of CM cycles.
Ye Tian*, Columbia University
(98011191) 
10:30 a.m.
Modularity of Galois representations.
Chandrashekhar B Khare*, University of Utah
(9801146) 
11:00 a.m.
Limits of crystalline modular eigenforms.
Frank D Calegari*, Harvard
(98011124)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.10:40 a.m.
Special Session on Several Complex Variables. I
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

9:00 a.m.
Discussion 
10:00 a.m.
Plurisubharmonic functions on ${\Bbb C}^n$ with logarithmic poles in a finite set.
Dan Coman*, Syracuse University
(98032102)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:25 a.m.
Special Session on Harmonic Analysis, I
Room B341, Van Vleck Hall
Organizers:
Alex Ionescu, University of WisconsinMadison ionescu@math.wisc.edu
Andreas Seeger, University of WisconsinMadison seeger@math.wisc.edu

9:00 a.m.
Singular integrals and decoupled domains.
Elias M. Stein*, Princeton University
(98032199) 
10:00 a.m.
On the classical CarlesonHunt theorem in Fourier analysis.
Xiaochun Li, University of California at Los Angeles
Camil Muscalu*, University of California at Los Angeles
(98042155) 
10:30 a.m.
Nonlinear wave equations outside of obstacles.
Christopher D Sogge*, Johns Hopkins University
(98035171) 
11:00 a.m.
$L^p$ bounds for Riesz Transforms associated to divergence form elliptic operators.
Steve Hofmann*, University of MissouriColumbia
J. M. Martell, University of Missouri
(9804240)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Partial Differential Equations and Geometry, I
Room B309, Van Vleck Hall
Organizers:
Sigurd Angenent, University of WisconsinMadison angenent@math.wisc.edu
Mikhail Feldman, University of WisconsinMadison feldman@math.wisc.edu

9:00 a.m.
Number of minimal graphs with disjoint support.
Peter Li, UC, Irvine
Jiaping Wang*, University of Minnesota
(98058122) 
10:00 a.m.
Motion of small bubbles by normalized mean curvature in Riemannian manifolds.
N. D. Alikakos, University of Athens (Greece)
A. S. Freire*, University of Tennessee,Knoxville
(98035212) 
10:30 a.m.
Discussion 
11:00 a.m.
Discussion

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Arrangements of Hyperplanes, I
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.
The Hodge filtration and the contactorder filtration of derivations of Coxeter arrangements.
Hiroaki Terao*, Tokyo Metropolitan University
(98032118) 
9:30 a.m.
Cohomology of wonderful compactifications and intersection theory on toric varieties.
EvaMaria E. Feichtner*, ETH Zurich
Sergey Yuzvinsky, University of Oregon
(98051156) 
10:00 a.m.
Torsion in homology of Milnor fibres.
D C Cohen, Louisiana State University
G C Denham*, University of Western Ontario
A I Suciu, Northeastern University
(98055270) 
10:30 a.m.
BernsteinSato polynomials and Milnor fibers of generic arrangements.
Uli Walther*, Purdue University / MSRI
(9801449) 
11:00 a.m.
The $\ell^2$cohomology of hyperplane complements.
Michael W. Davis*, The Ohio State University
Tadeusz Januszkiewicz, Wroclaw University and IM PAN
Ian J. Leary, University of Southampton
(98057103)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Group Cohomology and Homotopy Theory, I
Room B235, Van Vleck Hall
Organizers:
Alejandro Adem, University of WisconsinMadison adem@math.wisc.edu
Jesper Grodal, Institute for Advanced Study jg@ias.edu

9:00 a.m.
The classification of quasithin groups (and of finite simple groups).
Stephen D Smith*, University of Illinois at Chicago
(9802052) 
9:30 a.m.
Finite Loop Spaces are Manifolds.
Nitu R Kitchloo*, Johns Hopkins University
Dietrich Notbohm, University of Leicester
(98055113) 
10:00 a.m.
On fusion category algebras of pblocks of finite groups.
Markus Linckelmann*, Ohio State University
(98020318) 
10:30 a.m.
On stacks, 2theories and conformal field theory.
Po Hu*, Wayne State University
(98018256) 
11:00 a.m.
The $p$punctual space of a finite group scheme (Preliminary Report).
Eric M. Friedlander*, Northwesetern University
Julia Pevtsova, Institute for Advanced Study
(98016101)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:25 a.m.
Special Session on Geometric Methods in Differential Equations, I
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

9:00 a.m.
Canonical regularization of the Lie algebra of pseudodifferential operators.
Thierry P Robart*, Howard University
Enrique G Reyes, University of Oklahoma
(98035284) 
9:30 a.m.
Charts for analytic Lie pseudogroups of infinite type.
Niky Kamran*, McGill University
(9805387) 
10:00 a.m.
Discussion 
10:30 a.m.
SubFinsler geometry in dimension 3.
Jeanne N. Clelland*, University of Colorado, Boulder
Christopher G. Moseley, U.S. Military Academy
(98058241) 
11:00 a.m.
Geometry of Parametric Backlund Transformations.
Thomas A. Ivey*, College of Charleston
Jeanne Nielsen Clelland, University of Colorado, Boulder
(98053141)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Effectiveness Questions in Model Theory, I
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

9:00 a.m.
Effectiveness questions in arithmetic.
Andrew P Arana*, Stanford University
(98003252) 
9:30 a.m.
$\Delta^0_2$categoricity in Abelian pgroups.
Douglas Cenzer*, University of Florida
(98003215) 
10:00 a.m.
Discussion 
10:30 a.m.
Bounding prime, homogeneous, and saturated models.
Barbara F. Csima*, University of Chicago
(98003240) 
11:00 a.m.
Bounding prime, homogeneous, and saturated models {II}.
Denis R. Hirschfeldt*, University of Chicago
(98003267)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Ring Theory and Related Topics, I
Room B105, Van Vleck Hall
Organizers:
Don Passman, University of WisconsinMadison passman@math.wisc.edu

9:00 a.m.
Maximal torsion radicals in $\sigma$[M] and minimal prime Mideals.
John A. Beachy*, Northern Illinois University
(98016233) 
9:30 a.m.
Delta Methods in Enveloping Rings.
Jeffrey Bergen*, DePaul University
(98016147) 
10:00 a.m.
Finitary Groups and Rings.
Richard E. Phillips, Michigan State University
Jeanne Wald*, Michigan State University
(98016127) 
10:30 a.m.
Lie algebras with few centralizer dimensions.
Yiftach D. Barnea*, University of Wisconsin  Madison
I. M. Isaacs, University of Wisconsin  Madison
(9801773) 
11:00 a.m.
CSMatrix Rings over Local Rings.
K. I. Beidar, National ChengKung University
S. K. Jain*, Ohio University
Pramod Kanwar, Ohio UniversityZanesville
J. B. Srivastava, Indian Institute of Technology
(9801656)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.10:45 a.m.
Special Session on Lie Algebras and Related Topics, I
Room B129, Van Vleck Hall
Organizers:
Georgia Benkart, University of WisconsinMadison benkart@math.wisc.edu
Arun Ram, University of WisconsinMadison ram@math.wisc.edu

9:00 a.m.
Multiplicityfree products of Weyl characters.
John R Stembridge*, University of Michigan
(9801788) 
10:00 a.m.
KazhdanLusztig polynomials and character formulae for the supergroups {$GL(mn)$} and {$Q(n)$}.
Jonathan Brundan*, University of Oregon
(98022224)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:25 a.m.
Special Session on Dynamical Systems, I
Room B215, Van Vleck Hall
Organizers:
Sergey Bolotin, University of WisconsinMadison bolotin@math.wisc.edu
Paul Rabinowitz, University of WisconsinMadison rabinowi@math.wisc.edu

9:00 a.m.
Dynamics of Lie algebras and Lie groups on low dimensional real and complex manifolds.
Morris W. Hirsch*, U. Calif., Berkeley. \& U. Wisc., Madison
(9803726) 
9:30 a.m.
Applications of a NashMoser implicit function theorem with Whitney regularity to KAM theory.
John Andrew Vano*, University of Wisconsin at Madison
(9803729) 
10:00 a.m.
Growth of the number of periodic points of a smooth map.
Vadim Kaloshin*, MIT
(9803791) 
10:30 a.m.
Partial hyperbolicity, Lyapunov exponents and stable ergodicity.
Keith Burns*, Northwestern University
Dmitry Dolgopyat, University of Maryland
Yakov Pesin, Pennsylvania State University
(98037166) 
11:00 a.m.
Rigorous Computation of Low Dimensional Structures in Infinite Dimensional Dynamical Systems.
Konstantin Mischaikow*, Georgia Institute of Technology
(9803790)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.10:45 a.m.
Special Session on Probability, I
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.
Some rigorous results for the NK model.
Vlada Limic*, University of British Columbia
(9806098) 
10:00 a.m.
Scaling Limit for a FlemingViot Type System.
Ilie Grigorescu*, University of Miami
Min Kang, North Carolina State University
(98060226)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Biological Computation and Learning in Intelligent Systems, I
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

9:00 a.m.
On the computing power of a single neuron with dendritic structure.
Gerhard X. Ritter*, University of Florida
Gonzalo Urcid, INAOE
(98068110) 
10:00 a.m.
Dynamical systems analysis of turtle visual cortex.
Philip Ulinski*, University of Chicago
(98092285) 
10:30 a.m.
Neural engineering: Computation, representation, and dynamics in neurobiological systems.
Charles H. Anderson*, Washington University
(98020320) 
11:00 a.m.
Likelihood approaches to neural coding in auditory cortex.
Rick L Jenison*, University of WisconsinMadison
(98092286)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Combinatorics and Special Functions, I
Room B321, Van Vleck Hall
Organizers:
Richard Askey, University of WisconsinMadison askey@math.wisc.edu
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

9:00 a.m.
New Formulas for Ramanujan's Tau Function and the Leech Lattice.
Stephen C Milne*, The Ohio State University
(98011305) 
9:30 a.m.
Special Functions Related to Representations of High Dimension Lie Groups.
Alexander Rozenblyum*, New York City College of Technology, CUNY
(9803345) 
10:00 a.m.
Fifth Order Mock Theta Functions.
Boon P Yeap*, University of Illinois at UrbanaChampaign
(98011308) 
10:30 a.m.
A proof of AskeyWilson relations for Leonard pairs.
Raimundas Vidunas*, University of Antwerp
(98033266) 
11:00 a.m.
The pseudo cosine sequences of a distanceregular graph.
A A Pascasio*, De La Salle University
Paul M Terwilliger, University of Wisconsin
(98005311)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Characters and Representations of Finite Groups, I
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

9:00 a.m.
Canonical bases of a small Hecke algebra.
J L Alperin*, University of Chicago
(9802008) 
9:30 a.m.
Linear Limits of Simple Modules over Twisted Group Algebras.
Everett C. Dade*, University of Illinois
(98020188) 
10:00 a.m.
More on the McKay conjecture.
Gabriel Navarro*, University of Valencia
(9802092) 
10:30 a.m.
Systems of Character Isometries.
Harvey I. Blau*, Northern Illinois University
(98020162) 
11:00 a.m.
Reduction theorems for Clifford classes.
Alexandre Turull*, University of Florida
(98020211)

9:00 a.m.

Saturday October 12, 2002, 9:00 a.m.11:20 a.m.
Special Session on Lie Groups and Their Representations, I
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.
Representation theory, spectral geometry, and length spectra .
Ruth Gornet*, University of Texas at Arlington
(98053232) 
9:30 a.m.
A PaleyWiener Property for the Fourier Transform on an Exponential Solvable Lie Group.
Bradley N. Currey*, Saint Louis University
(98022152) 
10:30 a.m.
The Hua system on a Hermitian symmetric space.
Chal Benson*, East Carolina University
(9802234) 
11:00 a.m.
Representations of an Extension of SL(3, R) by an outer automorphism.
Shayan Sen, Drexel University
Maria G Fung*, Western Oregon Univeristy
(98022262)

9:00 a.m.

Saturday October 12, 2002, 9:30 a.m.11:20 a.m.
Special Session on Hyperbolic Differential Equations and Kinetic Theory, I
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.
Kinetic Formulation and WellPosedness for NonIsotropic Degenerate ParabolicHyperbolic Equations.
GuiQiang G Chen*, Northwestern University
Benoit Perthame, Ecole Normale Superieure (Paris)
(9803513) 
10:00 a.m.
Transition to Instability in Hyperbolic Conservation Laws.
Robin Young*, University of Massachusetts
Walter Szeliga, University of Massachusetts
(98035242) 
10:30 a.m.
Global existence for the full multidimensional compressible NavierStokes equations with with large, symmetric data.
David Hoff, Indiana University
Helge Kristian Jenssen*, Indiana University
(9807610) 
11:00 a.m.
Discussion

9:00 a.m.

Saturday October 12, 2002, 10:00 a.m.11:20 a.m.
Special Session on Optimal Geometry of Curves and Surfaces, I
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

10:00 a.m.
Analytic aspects of the ropelength problem.
Joseph H.G. Fu*, University of Georgia
(98053312) 
10:30 a.m.
Examples and candidates for the ropelength problem.
Nancy C. Wrinkle*, University of Georgia
(98051315) 
11:00 a.m.
Optimal shapes of curves with finite thickness.
Oscar Gonzalez*, Mathematics/UTAustin
(98049299)

10:00 a.m.

Saturday October 12, 2002, 10:00 a.m.11:25 a.m.
Session for Contributed Papers, I
Room B333, Van Vleck Hall

10:15 a.m.
On some subclass of the Malcev algebras.
Ramiro Carrillo, Instituto de Matematicas, UNAM
Liudmila Sabinina*, Facultad de Ciencias, UAEM
(98017259) 
10:30 a.m.
Coherent families of weight modules of Lie superalgebras.
Dimitar V Grantcharov*, University of California, Riverside
(98016196) 
11:00 a.m.
Array computable degrees and blanketing functions.
Stephen M Walk*, St. Cloud State University
(98003217)

10:15 a.m.

Saturday October 12, 2002, 11:40 a.m.12:30 p.m.
Invited Address
Relations Between GromovWitten Invariants.
Room B102, Van Vleck Hall
Eleny Ionel*, University of Wisconsin 
Saturday October 12, 2002, 2:00 p.m.4:55 p.m.
Special Session on Arithmetic Algebraic Geometry, II
Room B113, Van Vleck Hall
Organizers:
Ken Ono, University of WisconsinMadison ono@math.wisc.edu
Tonghai Yang, University of WisconsinMadison thyang@math.wisc.edu

2:00 p.m.
Supercongruences Between Truncated $_2F_1$ Hypergeometric Functions and Their Gaussian Analogs.
Eric T Mortenson*, University of Wisconsin Madison
(98011130) 
2:30 p.m.
Modular forms for noncongruence subgroups.
WenChing Winnie Li*, Penn State University
Ling Long, Institute for Advanced Study
Zifong Yang, Penn State University
(98011219) 
3:00 p.m.
Exceptional congruences for the coefficients of certain etaproduct newforms.
Matthew Boylan*, University of Illinois
(98011249) 
3:30 p.m.
Discussion 
4:00 p.m.
Extensions of elliptic curves and congruences between modular forms.
Matthew Papanikolas*, Brown University
Niranjan Ramachandran, University of Maryland
(98011117) 
4:30 p.m.
1Motives and Iwasawa Theory.
Cristian D. Popescu*, Johns Hopkins University
(98011128)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:40 p.m.
Special Session on Several Complex Variables, II
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

2:00 p.m.
On CR manifolds embedded in a hyperquadric.
Peter F. Ebenfelt*, U. Califonia, San Diego
Xiaojun Huang, Rutgers U.
Dmitri Zaitsev, U. Tubingen
(98032263) 
3:00 p.m.
On manifolds that are peakinterpolation sets for $A(\Omega)$ for convex domains in $\mathbb{C}^n$.
Gautam Bharali*, University of Michigan
(9803289) 
4:00 p.m.
$L^2$ cohomology of some complete K\" ahler manifolds.
Jeffery D. McNeal*, Ohio State University
(98032107)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:55 p.m.
Special Session on Harmonic Analysis, II
Room B341, Van Vleck Hall
Organizers:
Alex Ionescu, University of WisconsinMadison ionescu@math.wisc.edu
Andreas Seeger, University of WisconsinMadison seeger@math.wisc.edu

2:00 p.m.
Regularity of degenerate MongeAmpere equations in two dimensions.
Eric T. Sawyer*, McMaster University
(98035198) 
2:30 p.m.
Analysis on manifolds with a Lie structure at infinity.
Bernd Ammann, Hamburg U.
Robert Lauter, Mainz U.
Victor Nistor*, Penn State U.
Andras Vasy, MIT
(9805844) 
3:00 p.m.
A Restriction Theorem for a $2$surface in $\Bbb R ^5$.
Daniel M Oberlin*, Florida State University
(98042112) 
3:30 p.m.
Averages over rotations of curves.
Luca Brandolini, University of Bergamo
Allan Greenleaf*, University of Rochester
Giancarlo Travaglini, University of MilanBicocca
(98042176) 
4:00 p.m.
Hankel Forms on the Dirichlet Space and Related Operators.
Richard Rochberg*, Washington University
(98046235) 
4:30 p.m.
Recovering The Jump in Fourier Analysis and Summability Theory.
Mark A. Pinsky*, Northwestern University
(9804219)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Partial Differential Equations and Geometry, II
Room B309, Van Vleck Hall
Organizers:
Sigurd Angenent, University of WisconsinMadison angenent@math.wisc.edu
Mikhail Feldman, University of WisconsinMadison feldman@math.wisc.edu

2:00 p.m.
A gradient flow approach quasiperiodic solutions for P.D.E's and $\Psi$D.E.'s.
Rafael de la Llave*, University of Texas at Austin
(98035109) 
3:00 p.m.
Interfaces between free boundaries and fixed boundaries.
Ivan Blank*, Rutgers University
Henrik Shahgholian, Royal Institute of Technology
(98035253) 
4:00 p.m.
Regularity and blowup analysis for Jholomorphic maps.
Changyou Wang*, University of Kentucky
(98035207) 
4:40 p.m.
Discussion

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Arrangements of Hyperplanes, II
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

2:00 p.m.
Topological robotics and arrangement complements.
Michael Farber, Tel Aviv University
Sergey Yuzvinsky*, University of Oregon
(98055104) 
2:30 p.m.
ATheory and real linear hyperplane arrangements.
Eric Babson, University of Washington
Helene Barcelo*, Arizona State University
Reinhard Laubenbacher, Virginia Institute of Technology
(98005302) 
3:00 p.m.
The line geometry of resonance varieties.
Michael J Falk*, Northern Arizona University
(98051204) 
3:30 p.m.
Generating functions whose denominator is a hyperplane arrangement.
Robin Pemantle*, Ohio State University
(98005173) 
4:00 p.m.
Properties of arrangement groups.
Richard Randell*, University of Iowa
(98057213) 
4:30 p.m.
A simplified CWComplex with the HomotopyType of the Complement of a Complexified Real Hyperplane Arrangement.
Ken Jewell*, Edgewood College
(98055310)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Group Cohomology and Homotopy Theory, II
Room B235, Van Vleck Hall
Organizers:
Alejandro Adem, University of WisconsinMadison adem@math.wisc.edu
Jesper Grodal, Institute for Advanced Study jg@ias.edu

2:00 p.m.
Stable homotopy theroy of $G$modules.
Jeffrey H Smith*, Purdue University
(98055245) 
2:30 p.m.
Phantom Spaces.
Wojciech Chacholski*, University of Minnesota
William G Dwyer, University of Notre Dame
Michele Intermont, Kalamazoo College
(98055244) 
3:00 p.m.
Loop orbifolds.
Ernesto Lupercio*, Univ. of Wisconsin, Madison
Bernardo Uribe, MPI, Bonn
(98055149) 
3:30 p.m.
The Bockstein Spectral Sequence of $\eta$.
Robert R. Bruner*, Wayne State University
(98055121) 
4:00 p.m.
$T$ and the cohomology of mapping spaces.
Jaume Aguadé*, UAB, Barcelona, Spain
(9805566) 
4:30 p.m.
Equivariant Universal Coefficient and Kunneth Spectral Sequences.
L G Lewis, Syracuse University
M A Mandell*, University of Chicago
(98055216)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:55 p.m.
Special Session on Geometric Methods in Differential Equations, II
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

2:00 p.m.
Secondorder typechanging evolution PDE with firstorder intermediate equations.
Marek Kossowski, University of South Carolina
George R Wilkens*, University of Hawaii at Manoa
(9805362) 
2:30 p.m.
Generalized Symmetries and Local Conservation Laws of Massless Free Fields on Minkowski Space.
Juha Pohjanpelto*, Oregon State University
(98035261) 
3:00 p.m.
Discussion 
3:30 p.m.
Generalised Goursat Normal Form.
Peter J. Vassiliou*, University of Canberra
(98058257) 
4:00 p.m.
The Classification of Darboux Integrable Equations.
Matthew Biesecker*, Utah State University
(98035248) 
4:30 p.m.
Group actions on jet spaces and Darboux integrable PDE.
Mark Eric Fels*, Utah State University
(98035246)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Effectiveness Questions in Model Theory, II
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

2:00 p.m.
Limit sets and the complexity of quantifier elimination for Pfaffian expressions.
Andrei Gabrielov*, Purdue University
(9800394) 
2:30 p.m.
A Normalization Algorithm.
Daniel J. Miller*, University of Wisconsin  Madison
(98003272) 
3:00 p.m.
Effective Completeness Theorems for Modal Logics.
Suman Ganguli*, University of Michigan
Anil Nerode, Cornell University
(98003182) 
3:30 p.m.
Principal Filters of the Lattice of Computably Enumerable Vector Spaces.
Valentina S. Harizanov*, The George Washington University
(9800382) 
4:00 p.m.
The Computational Complexity of Computable Saturation.
Walker M. White*, University of Dallas
(98003313) 
4:30 p.m.
Discussion

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Ring Theory and Related Topics, II
Room B105, Van Vleck Hall
Organizers:
Don Passman, University of WisconsinMadison passman@math.wisc.edu

2:00 p.m.
Representation type of commutative noetherian rings IV: global structure.
Lawrence Sherwin Levy*, University of Wisconsin, Madison
Lee Klingler, Florida Atlantic University
(9801385) 
2:30 p.m.
Representation Type of Commutative Noetherian Rings III: Global Wildness.
Lee C. Klingler*, Florida Atlantic University
Lawrence S. Levy, University of Wisconsin
(9801381) 
3:00 p.m.
Properties of DownUp Algebras from Trees.
Ellen Kirkman, Wake Forest University
James Kuzmanovich*, Wake Forest University
(9801637) 
3:30 p.m.
Simple modules for Noetherian DownUp Algebras.
Georgia Benkart, University of Wisconsin, Madison
Ellen Kirkman*, Wake Forest University
(98016160) 
4:00 p.m.
Grade Periodic Algebras.
E L Green*, Virginia Tech
E N Marcos, University of S\~ao Paulo
R. Mart\'inezVilla, UNAM
Pu Zhang, University of Science and Technology of China
(9801632) 
4:30 p.m.
Representations of Koszul algebras.
Dan Zacharia*, Syracuse University
(98016126)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:45 p.m.
Special Session on Lie Algebras and Related Topics, II
Room B129, Van Vleck Hall
Organizers:
Georgia Benkart, University of WisconsinMadison benkart@math.wisc.edu
Arun Ram, University of WisconsinMadison ram@math.wisc.edu

2:00 p.m.
Ideals in the nilradical of a Borel subalgebra.
Eric N Sommers*, UMassAmherst
(98017140) 
3:00 p.m.
Cayley Maps for Algebraic Groups.
Nicole Lemire*, University of Western Ontario
Vladimir L. Popov, Steklov Mathematical Institute
Zinovy Reichstein, University of British Columbia
(98014269) 
4:00 p.m.
The restricted nullcone.
Jon F. Carlson, University of Georgia
Zongzhu Lin, Kansas St. University
Daniel K. Nakano*, University of Georgia
Brian J. Parshall, University of Virginia
(98017125)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Dynamical Systems, II
Room B215, Van Vleck Hall
Organizers:
Sergey Bolotin, University of WisconsinMadison bolotin@math.wisc.edu
Paul Rabinowitz, University of WisconsinMadison rabinowi@math.wisc.edu

2:00 p.m.
Arnold Diffusion.
John Mather*, Princeton University
(98037137) 
2:30 p.m.
A symplectic fixed point theorem and its applications.
Zhihong Jeff Xia*, Northwestern University
(9803777) 
3:00 p.m.
Geometrc mechanisms for instability in Hamiltonian dynamical systems.
A. Delshams, Univ. Polit. Catalunya
Rafael de la Llave*, Univ. Of Texas at Austin
Teresa M. Seara, Univ. Polit. Catalunya
(98037108) 
4:00 p.m.
Lagrangian minimizers and computing periodic orbits.
Philip L Boyland*, University of Florida
(98037138) 
4:30 p.m.
Periodic Points of Hamiltonian Surface Diffeomorphisms.
John Franks*, Northwestern University
Michael Handel, Lehman College (CUNY)
(9803765)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:45 p.m.
Special Session on Probability, II
Room B313, Van Vleck Hall
Organizers:
David Griffeath, University of WisconsinMadison griffeat@math.wisc.edu
Timo Seppalainen, University of WisconsinMadison seppalai@math.wisc.edu

2:00 p.m.
Approximating the effect of advantageous mutations by coalescents with multiple collisions.
Jason R. Schweinsberg*, Cornell University
Rick Durrett, Cornell University
(9809225) 
3:00 p.m.
Maxplus linearity for growth models.
Min Kang*, North Carolina State University
Ilie Grigorescu, University of Miami
(98060227) 
4:00 p.m.
Large Deviations of the Asymmetric Exclusion Process.
Leif H. Jensen*, Columbia University
(98060293)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Biological Computation and Learning in Intelligent Systems, II
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

2:00 p.m.
DNA Packing in Viral Capsids.
De Witt Sumners*, Florida State University
(98092276) 
3:00 p.m.
CAD/CAM Biology.
David C Schwartz*, University of WisconsinMadison
(98092274) 
3:30 p.m.
Information Gometry of Protein Fold Space.
Hamid Eghbalnia*, University of WisconsinMadison
(98092287) 
4:00 p.m.
Computational elements of robot learning by imitation.
Aude G Billard*, University of Southern California
Stefan K Schaal, University of Southern California
(98093206) 
4:30 p.m.
Computational Mechanisms of Object Recognition in Cortex.
Maximilian Riesenhuber*, MIT
(9809250)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Combinatorics and Special Functions, II
Room B321, Van Vleck Hall
Organizers:
Richard Askey, University of WisconsinMadison askey@math.wisc.edu
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

2:00 p.m.
On the Generalized RogersRamanujan Continued Fraction.
Bruce C. Berndt*, University of Illinois at UrbanaChampaign
Ae Ja Yee, University of Illinois at UrbanaChampaign
(98033161) 
2:30 p.m.
An indeterminate moment problem involving the AlSalamChihara polynomials.
Jacob Stordal Christiansen*, University of Copenhagen
Mourad E. H. Ismail, University of South Florida
(98033209) 
3:00 p.m.
Zeta Functions of Graphs: When Number Theory Meets Graph Theory.
Audrey A. Terras*, U.C.S.D.
(98011258) 
3:30 p.m.
Eigenvalue and Dual Eigenvalue Sequences for Three Mutually Adjacent Leonard Pairs.
Brian L Hartwig*, University of Wisconsin
(98005300) 
4:00 p.m.
A transformation on the space of rational functions.
Victor H Moll*, Department of Mathematics, Tulane University
(98033150) 
4:30 p.m.
On Ramanujan's Continued Fraction for $(q^2;q^3)_{\infty}/(q;q^3)_{\infty}$.
George E Andrews, Pennsylvania State University
Bruce C Berndt, University of Illinois
Jaebum Sohn*, Ohio State University
Ae Ja Yee, University of Illinois
Alexandru Zaharescu, University of Illinois
(98033139)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Characters and Representations of Finite Groups, II
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

2:00 p.m.
Maximal subgroups of classical groups and representation theory.
K Magaard*, Wayne State University
(98020167) 
2:30 p.m.
Block theory, branching rules, and centralizer algebras.
Harald Ellers*, Northern Illinois University
John Murray, National University of Ireland, Maynooth
(98020279) 
3:00 p.m.
Modular spin representations of symmetric and alternating groups that are irreducible over subgroups.
Alexander S. Kleshchev, University of Oregon
Pham Huu Tiep*, University of Florida
(9802095) 
3:30 p.m.
Finite psubgroups of GL(p,C) and their automorphism groups.
Jeffrey Mark Riedl*, University of Akron
(98020164) 
4:00 p.m.
An analogue of the Steinberg character for the general linear group over the integers modulo a prime power.
Peter S Campbell*, University of Alberta
(9802027) 
4:30 p.m.
Weil representations of symplectic and unitary groups over finite local rings.
Gerald Cliff, University of Alberta
Roderick Gow, University College Dublin
David McNeilly, University of Alberta
Fernando Szechtman*, University of Waterloo
(9802055)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:50 p.m.
Special Session on Optimal Geometry of Curves and Surfaces, II
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

2:00 p.m.
The convex hull property of noncompact hypersurfaces with positive curvature.
Stephanie Alexander*, University of Illinois at UrbanaChampaign
Mohammad Ghomi, University of South Carolina
(98053283) 
2:30 p.m.
Surfaces with connected shades.
Mohammad Ghomi*, Unversity of South Carolina
(98053205) 
3:00 p.m.
Displacement estimates for curves with curvature bounds in CAT(K) spaces.
Stephanie B Alexander, Univ. of Illinois at UrbanaChampaign
Richard L Bishop*, Univ. of Illinois at UrbanaChampaign
(98053243) 
3:30 p.m.
Projecting $(n1)$cycles to zero on $n$planes in$R^(n+1)$.
Bruce Solomon*, Indiana University
(98051273) 
4:00 p.m.
A variational method to include surface diffusion with nonvolumeconserving motion by mean curvature.
Jean E Taylor*, Rutgers University
(98035165) 
4:30 p.m.
Roulades and variational problems.
J. McCuan*, Georgia Tech
(98053148)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:20 p.m.
Special Session on Lie Groups and Their Representations, II
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

2:00 p.m.
A cocycle formula for the quaternionic discrete series.
Robert W Donley*, University of North Texas
(98022231) 
2:30 p.m.
Representations with scalar $K$types and the theta correspondence.
Annegret Paul*, Western Michigan University
(9802275) 
3:30 p.m.
Induced representations and derived functor modules.
Paul D Friedman*, Union College
(98022290)

2:00 p.m.

Saturday October 12, 2002, 2:00 p.m.4:25 p.m.
Session for Contributed Papers, II
Room B333, Van Vleck Hall

2:00 p.m.
Restricted Symmetric Spaces.
Terrell L. Hodge*, Western Michigan University
Brian J. Parshall, University of Virginia
(9801731) 
2:15 p.m.
Character formulas and realizations for some simple highest weight ${\mathfrak{gl}_n}$modules.
Victor Protsak*, University of Minnesota
(98017195) 
2:45 p.m.
Wildly ramified Galois representations and a generalization of Serre's Conjecture.
Darrin M Doud*, Brigham Young University
(98011277) 
3:00 p.m.
Noncommutative localizations and quotients for coactions of Hopf algebras.
Zoran Skoda*, Indiana University, Bloomington
(9801617) 
3:15 p.m.
Conditional Fuzzy Convergence of Sequences and Numerical Computations.
M. Burgin*, UCLA
M. Kalina, Slovak University of Technology
(9806516) 
3:45 p.m.
Failure Functions.
Devaraj Kandadai*, Mumbai , INDIA
(9801105) 
4:00 p.m.
The CamassaHolm hierarchy, finite integrable system, and algebrogeometric solution.
Zhijun Qiao*, Los Alamos National Lab
Darryl Holm, Los Alamos National Lab
(9803536) 
4:15 p.m.
On Some Results In Noetherian Rings.
C.L. Wangneo*, University of Jammu
(98000321)

2:00 p.m.

Saturday October 12, 2002, 3:00 p.m.4:50 p.m.
Special Session on Hyperbolic Differential Equations and Kinetic Theory, II
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

2:00 p.m.
Discussion 
2:30 p.m.
Discussion 
3:00 p.m.
Qualitative Behavior of Solutions to Systems of Conservation Laws.
Konstantina Trivisa*, University of Maryland
(98035189) 
3:30 p.m.
Concentration and Cavitation of Density in Invicid Compressible Fluid Flow.
Chen Guiqiang, Northwestern University
Liu Hailiang*, Iowa State Univeristy
(98035192) 
4:00 p.m.
Decay of solutions to the threedimensional Euler equations with damping.
Dehua Wang*, University of Pittsburgh
(98035187)

2:00 p.m.

Saturday October 12, 2002, 5:10 p.m.6:00 p.m.
Invited Address
Singularties Of Pairs And Birational Geometry.
Room B102, Van Vleck Hall
Lawrence Ein*, University of Illinois at Chicago 
Saturday October 12, 2002, 6:00 p.m.7:00 p.m.
Department of Mathematics Reception
Lobby, Memorial Union
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