
AMS Sectional Meeting Program by Day
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2002 Central Section Meeting
Ann Arbor, MI, March 13, 2002
Meeting #974
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Saturday March 2, 2002

Saturday March 2, 2002, 8:00 a.m.4:30 p.m.
Meeting Registration
Atrium, East Hall

Saturday March 2, 2002, 8:00 a.m.4:30 p.m.
Exhibit and Book Sale
Room 1372, East Hall

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Quantum Topology in Dimension Three, II
Room 224, Dennison Building Organizers: Charles Frohman, University of Iowa frohman@math.uiowa.edu
Joanna KaniaBartoszynska, Boise State University kania@math.boisestate.edu

8:30 a.m.
Presentations od Skein Algebras.
Mieczyslaw K. Dabkowski, George Washington University
Jozef H Przytycki*, George Washington University
(97457104)

9:00 a.m.
The Weyl quantization and the quantum group quantization of the moduli space of flat $SU(2)$connections on the torus are the same.
Razvan Gelca*, Texas Tech University
Alejandro Uribe, University of Michigan
(9745776)

9:30 a.m.
The braid theoretical approach to skein modules of 3manifolds.
Sofia Lambropoulou*, National Technical University of Athens
(97457101)

10:00 a.m.
Hochschild homology of a Heegaard splitting.
Michael S McLendon*, University of Iowa
(97457245)

10:30 a.m.
AlexanderConway polynomial of links, spanning trees and Milnor invariants.
Arkady Vaintrob*, University of Oregon
(97457160)

11:00 a.m.
Skein and String Homology.
Uwe Kaiser*, Boise State University
(97457113)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Topics in Geometric Function Theory, II
Room 229, Dennison Building Organizers: David A. Herron, University of Cincinnati david.herron@math.uc.edu
Nageswari Shanmugalingam, University of Texas nageswari@math.utexas.edu
Jeremy T. Tyson, SUNY at Stony Brook tyson@math.sunysb.edu

8:30 a.m.
Doyle's Criterion of Type and a Counterexample to Nevanlinna's Conjecture.
Sergei Merenkov*, Purdue University
(97430147)

9:00 a.m.
Meromorphic functions of the form $f(z) = \sum_{n=1}^\infty a_n/(z  z_n)$.
John F Rossi*, Virginia Tech
James K Langley, University of Nottingham
(9743018)

9:30 a.m.
Schwarz lemmas for bounded univalent functions.
Eric D Schippers*, University of Michigan
(9743008)

10:00 a.m.
Backwarditeration sequences with bounded hyperbolic steps for analytic selfmaps of the disk.
Pietro PoggiCorradini*, Kansas State University and University of Michigan
(9743023)

10:30 a.m.
Boundary curves and analytic continuation.
Robert P Kaufman*, University of Illinois
(9743081)

11:00 a.m.
The Inner Radius and Sequences of Domains (Preliminary Report).
Leila MillerVan Wieren*, University of Texas
(97430219)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra, II
Room 205, Dennison Building Organizers: Florian Enescu, University of Utah enescu@math.utah.edu.
Anurag K. Singh, University of Utah singh@math.utah.edu
Karen E. Smith, University of Michigan, Ann Arbor kesmith@math.lsa.umich.edu

8:30 a.m.
Generalizing $k$configurations and Macaulay's Osequences.
Sindi Sabourin*, Queen's University
(97413207)

9:00 a.m.
Hilbert coefficients of normal ideals.
Claudia Polini*, University of Notre Dame
Alberto Corso, University of Kentucky
Maria Evelina Rossi, University of Genova
(97413181)

9:30 a.m.
The CastelnuovoMumford regularity of systems of linear ideals and modules.
Harm Derksen, University of Michigan
Jessica Sidman*, University of Michigan
(9741367)

10:00 a.m.
Associated primes of the MayrMeyer ideals.
Irena Swanson*, New Mexico State University
(97413106)

10:30 a.m.
A power series problem motivativated by lifting higher derivations.
William N Traves*, U.S. Naval Academy
(9741316)

11:00 a.m.
A linear function for stability of asymptotic primes.
Daniel Katz*, University of Kansas
Eric West, Benedictine College
(97413155)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Hyperbolic Manifolds and Discrete Groups, II
Room 245, Dennison Building Organizers: Richard D. Canary, University of Michigan, Ann Arbor canary@math.lsa.umich.edu
Alan W. Reid, University of Texas, Austin areid@math.utexas.edu

8:30 a.m.
Equivalent curves in surfaces.
Christopher J Leininger*, University of Texas at Austin
(97457247)

9:00 a.m.
Tameness persists in strong limits of typepreserving sequences of hyperbolic 3manifolds.
Richard A Evans*, Rice University
(97457234)

9:30 a.m.
Conemanifolds, drilling, and Ahlfors' conjecture.
Jeffrey Brock*, University of Chicago
Kenneth Bromberg, Caltech
Richard Evans, Rice University
Juan Souto, Universitat Bonn
(97451187)

10:00 a.m.
On the density of geometrically finite Kleinian groups.
Jeff Brock, University of Chicago
Kenneth Bromberg*, California Institute of Technology
(97457186)

10:30 a.m.
The Orbifold Theorem.
Daryl Cooper*, UCSB
Craig D Hodgson, Melbourne
Steve P Kerckhoff, Stanford
(9745735)

11:00 a.m.
The shape of hyperbolic Dehn surgery space.
Craig Hodgson, University of Melbourne
Steve Kerckhoff*, Stanford University
(9745389)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Algebraic Combinatorics, II
Room 213, Dennison Building Organizers: Patricia Hersh, University of Michigan, Ann Arbor plhersh@math.lsa.umich.edu
Brian D. Taylor, Wayne State University bdt@math.wayne.edu

8:30 a.m.
Combinatorics of Resonances.
Dmitry N Kozlov*, University of Washington
(9740577)

9:00 a.m.
Analogues of the Lie character for $GL_n(q)$.
John Shareshian*, Washington University, St. Louis
(97405193)

9:30 a.m.
Polygraph arrangements.
Axel Hultman*, KTH, Stockholm
(9740538)

10:00 a.m.
Permutation Enumeration by Pairs of Congruence Classes of Major Index.
Sheila Sundaram*, Danbury, CT
(97405107)

10:30 a.m.
Contractible and spherehomotopic independence complexes.
Gabor Hetyei*, UNC Charlotte
Richard Ehrenborg, University of Kentucky
(9740529)

11:00 a.m.
A random walk on zeroone contingency tables.
Diane Maclagan*, Stanford University
(97405125)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Biological Applications of Dynamical Systems, II
Room 1060, East Hall Organizers: J. M. Cushing, University of Arizona cushing@math.arizona.edu
Shandelle M. Henson, Andrews University henson@andrews.edu
Anna M. Spagnuolo, Oakland University spagnuol@oakland.ed

8:30 a.m.
Schistosomiasis Models for Interacting Human Groups.
Chengche Li, Purdue University
Zhilan Feng, Purdue University
Fabio Augusto Milner*, Purdue University
(9749259)

9:00 a.m.
Contact with Adhesion and Wear in BoneImplants.
Meir Shillor*, Oakland University
(97474152)

9:30 a.m.
Modelling granuloma formation after {\em Mycobacterium tuberculosis} infection: phagocytosis and intracellular bacteria replication.
David Gammack*, University of Michigan
Charlie Doering, University of Michigan
Denise Kirschner, University of Michigan
(97492215)

10:00 a.m.
Mathematical modeling of the intravenous glucose tolerance test by a delay differential equations system.
Simeone Marino*, University of Michigan Medical School
(97434110)

10:30 a.m.
Recent studies of an inverse source problem in human brain imaging.
Gang Bao*, Michigan State University
(9743587)

11:00 a.m.
Turing patterns in LengyelEpstein reactiondiffusion systems.
Moxun Tang*, Michigan State University
WeiMing Ni, University of Minnesota
J Jang, Hankuk University, South Korea
(97492117)

Saturday March 2, 2002, 8:30 a.m.11:25 a.m.
Special Session on Differential Geometry, I
Room 232, Dennison Building Organizers: Lizhen Ji, University of Michigan, Ann Arbor lji@math.lsa.umich.edu
Krishnan Shankar, University of Michigan, Ann Arbor shankar@math.lsa.umich.edu
Ralf Spatzier, University of Michigan, Ann Arbor spatzier@math.lsa.umich.edu

8:30 a.m.
The rigidity of higher dimensional graphmanifolds.
Jianguo Cao*, University of Notre Dame
(97453212)

9:15 a.m.
Unreduced weighted $L_2$ cohomology of strictly negatively quarter pinched manifolds of finite volume.
Stephen S Bullock*, University of Michigan
(97453153)

10:00 a.m.
Finsler Metrics of Constant Flag Curvature.
Zhongmin Shen*, Indiana Univ.Purdue Univ. Indianapolis
(97453225)

10:45 a.m.
The $\pi_1$ of manifolds with integrable geodesic flows.
Leo T Butler*, Northwestern University
(97453134)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Partial Differential Equations, II
Room 1360, East Hall Organizers: Qing Han, University of Notre Dame qhan@nd.edu
Lihe Wang, University of Iowa lwang@math.uiowa.edu

8:30 a.m.
Structural analysis and boundary layer separations of 2D incompressible flows.
Shouhong Wang*, Indiana University
(97476140)

9:00 a.m.
Multidimensional Transonic Shocks and Free Boundary Problems.
GuiQiang Chen, Northwestern University
Mikhail Feldman*, University of WisconsinMadison
(97435131)

9:30 a.m.
Phase Transition in Nonlinear elasticity with viscosity and heatconductivity.
Tao Luo*, University of Michigan
(97435259)

10:00 a.m.
New wellposedness results for the CamassaHolm equation.
Gerard Misiolek*, University of Notre Dame
(97435199)

10:30 a.m.
Boundary Value Problems in Morrey Spaces for Elliptic Systems on Lipschitz Domains.
Zhongwei Shen*, University of Kentucky
(9743550)

11:00 a.m.
Wigner Measure and the Semiclassical Limit of Schr\"odingerPoisson Equations.
Ping Zhang*, Academy of Mathematics and System Sciences, The Chinese Academy of Sciences, Beijing
(97435258)

Saturday March 2, 2002, 8:30 a.m.11:20 a.m.
Special Session on Mapping Class Groups and Geometric Theory of Teichmuller Spaces, II
Room 237, Dennison Building Organizers: Benson Farb, University of Chicago farb@math.uchicago.edu
Nikolai Ivanov, Michigan State University ivanov@math.msu.edu
Howard Masur, University of Illinois, Chicago masur@math.uic.edu

8:30 a.m.
On the linearity problem for mapping class groups.
Hessam HamidiTehrani*, B.C.C. of the City University of New York
Tara E. Brendle, Columbia University
(9745773)

9:00 a.m.
Relations in the Torelli Group.
Tara E. Brendle*, Columbia University
(9745782)

9:30 a.m.
The second homology groups of mapping class groups of orientable surfaces.
Mustafa Korkmaz*, Middle East Technical University, Ankara, Turkey
Andras I Stipsicz, Princeton Univ.  ELTE TTK, Budapest, Hungary
(9745753)

10:00 a.m.
Bounded cohomology of subgroups of mapping class groups.
Mladen Bestvina, University of Utah
Koji Fujiwara*, Tohoku University
(9742075)

10:30 a.m.
Presentations for the mapping class groups of surfaces and handlebodies.
Susumu Hirose*, Michigan State University / Saga University
(9745791)

11:00 a.m.
Discussion

Saturday March 2, 2002, 8:30 a.m.11:25 a.m.
Session for Contributed Papers
Room 257, Dennison Building

8:45 a.m.
Nonstandard Finite Difference Schemes for Nonlinear PDE's: Theory and Applications.
Ronald E Mickens*, Clark Atlanta University
(9746513)

9:00 a.m.
A generalization of the GaussBonnet theorem for surfaces.
Marius Overholt*, University of Tromsoe
(9745374)

9:15 a.m.
Concentration of area in halfplanes (preliminary report).
Roger W. Barnard, Texas Tech University
Alexander Yu. Solynin, Texas Tech University
Clint Richardson*, Texas Tech University
(97430108)

9:30 a.m.
On the Zeros of Sequences of Polynomials.
Gerard L. Ornas*, Texas Tech University
(97430241)

9:45 a.m.
Redefining "Multiplicity of Infection" for Phage Therapy: a simple mathematical model.
Alex Kasman*, College of Charleston
Laura Kasman, Medical University of South Carolina
(9749227)

10:00 a.m.
Coupled Boundary Value Perturbations for Solution of the NavierStokes Equation with Large Viscosity Gradients.
Gregory Gillette*, The Pennsylania State University
(9743483)

10:15 a.m.
A new method of analysis of associative algebras.
Vladimir Dergachev*, Ann Arbor, Michigan
(97416142)

10:45 a.m.
Test Of Divisibility of the number 7.
Ranjit Eswaran*, University Of Minnesota
(9740005)

11:15 a.m.
Incompressible surface in a knot complement.
Jinha Jun*, Seoul National University
(97457148)

Saturday March 2, 2002, 9:00 a.m.11:20 a.m.
Special Session on Algebraic Topology, II
Room 221, Dennison Building Organizers: Robert Bruner, Wayne State University rrb@math.wayne.edu
Igor Kriz, University of Michigan, Ann Arbor ikriz@math.lsa.umich.edu

9:00 a.m.
A chain model for the framed little 2disks operad.
James E. McClure*, Purdue University
Jeffrey H. Smith, Purdue University
(9745546)

9:30 a.m.
Derived Koszul duality for $C_k$algebras.
Po Hu*, University of Chicago
(9745564)

10:00 a.m.
Cochains and Homotopy Type.
Michael A. Mandell*, University of Chicago
(97455115)

10:30 a.m.
The analytic circleequivariant sigma orientation.
Matthew Ando*, Univ. of IllinoisUrbana
(97455112)

11:00 a.m.
Discussion

Saturday March 2, 2002, 9:30 a.m.11:20 a.m.
Special Session on Stochastic Modeling in Financial Mathematics, I
Room 1068, East Hall Organizers: Ronnie Sircar, Princeton University sircar@princeton.edu

9:30 a.m.
Stochastic Volatility Asymptotics.
JeanPierre Fouque*, North Carolina State University
(97460188)

10:00 a.m.
Analysis of Dependent Defaults via Intensity BasedApproach, with Applications to Valuation of BasketCredit Derivatives.
Tomasz R Bielecki*, Northeastern Illinois University
Marek Rutkowski, Warsaw Institute of Technology
(97460197)

10:30 a.m.
Optimal Bankruptcy Time and Consumption/Investment Policies on an Infinite Horizon with a Continuous Debt Repayment until Bankruptcy.
Monique Jeanblanc, Universite d'Evry
Peter Lakner*, New York University
(9746099)

11:00 a.m.
A new algorithm for hedging large portfolios of derivative securities.
Stathis Tompaidis*, University of Texas at Austin
(97491252)

Saturday March 2, 2002, 10:00 a.m.11:20 a.m.
Special Session on Integrable Systems and Poisson Geometry, II
Room 1084, East Hall Organizers: Anthony Bloch, University of Michigan abloch@math.lsa.umich.edu
Philip Foth, University of Arizona foth@math.arizona.edu
Michael Gekhtman, University of Notre Dame Gekhtman.1@nd.edu

9:30 a.m.
Discussion

10:00 a.m.
Biorthogonal Polynomials, Random Multimatrix Models and the Full KostantToda Lattice.
Nicholas M Ercolani*, University of Arizona
Kenneth T. R. McLaughlin, University of North Carolina at Chapel Hill & University of Arizona
(97433192)

10:30 a.m.
Qualitative Behavior of some nonAbelian Toda Equations.
Melinda Koelling*, Rennselaer Polytechnic Institute
Anthony Bloch, University of Michigan
Michael Gekhtman, University of Notre Dame
(97434235)

11:00 a.m.
Moment maps and reductive symmetric pairs.
Reyer Sjamaar*, Cornell University
Yi Lin, Cornell University
(97458200)

Saturday March 2, 2002, 10:00 a.m.10:45 a.m.
Special Session on Moduli Spaces, II
Room 216, Dennison Building Organizers: Angela Gibney, University of Michigan, Ann Arbor agibney@math.lsa.umich.edu
Gavril Farkas, University of Michigan, Ann Arbor gfarkas@math.lsa.umich.edu
Thomas Nevins, University of Michigan, Ann Arbor nevins@math.lsa.umich.edu
Gilberto Bini, University of Michigan, Ann Arbor gbini@math.lsa.umich.edu

10:00 a.m.
Vanishing Theorems for the Moduli Space of Curves.
Ravi Vakil*, Stanford
Tom Graber, Harvard
(97414185)

Saturday March 2, 2002, 11:40 a.m.12:30 p.m.
Invited Address
Hyperbolic manifolds, discrete groups and quadratic forms.
Room 1324, East Hall
Alan W Reid*, University of Texas at Austin
(97457161)

Saturday March 2, 2002, 2:00 p.m.2:50 p.m.
Invited Address
Pricing and risk management in incomplete markets.
Room 1324, East Hall
Thaleia Zariphopoulou*, University of Texas, Austin

Saturday March 2, 2002, 2:00 p.m.5:50 p.m.
Special Session on Hyperbolic Manifolds and Discrete Groups, III
Room 245, Dennison Building Organizers: Richard D. Canary, University of Michigan, Ann Arbor canary@math.lsa.umich.edu
Alan W. Reid, University of Texas, Austin areid@math.utexas.edu

3:00 p.m.
The classification of Kleinian surface groups.
Yair N Minsky*, SUNY at Stony Brook
(97457165)

3:30 p.m.
Constructing manifolds which bound geometrically.
Darren Long*, UC Santa Barbara
Alan W Reid, UT Austin
(97457164)

4:00 p.m.
real and complex hyperbolic manifolds.
Rich Schwartz*, University of Maryland, College Park
(97451201)

4:30 p.m.
Bending bounds for Quasifuchsian groups.
Bridgeman J Martin*, Boston College
(97451137)

5:00 p.m.
Generalized bending laminations for hyperbolic $n$manifolds.
Kevin P Scannell*, Saint Louis University
(97457158)

5:30 p.m.
Bounded geometry for Teichm\"uller geodesics.
Kasra Rafi*, UC Santa Barbara
(97451224)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Quantum Topology in Dimension Three, III
Room 224, Dennison Building Organizers: Charles Frohman, University of Iowa frohman@math.uiowa.edu
Joanna KaniaBartoszynska, Boise State University kania@math.boisestate.edu

3:00 p.m.
A sum formula for the Casson invariant via configuration spaces.
Christine Lescop*, Institut Fourier, CNRS, Grenoble, France
(97457238)

3:30 p.m.
Integrality for TQFTs.
Patrick M Gilmer*, Louisiana State University
(97457132)

4:00 p.m.
Finite length TQFT, symplectic invariant theory and the Casson invaraint.
Thomas Kerler*, The Ohio State University
(97457178)

4:30 p.m.
Combinatorial Construct of Modular Functors.
Zhenghan Wang*, Indiana University
(97457102)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Topics in Geometric Function Theory, III
Room 229, Dennison Building Organizers: David A. Herron, University of Cincinnati david.herron@math.uc.edu
Nageswari Shanmugalingam, University of Texas nageswari@math.utexas.edu
Jeremy T. Tyson, SUNY at Stony Brook tyson@math.sunysb.edu

3:00 p.m.
A Mobius invariant metric II.
David Herron, University of Cincinnati
William Ma*, Pennsylvania College of Technology
David Minda, University of Cincinnati
(9743034)

3:30 p.m.
The M\"obius modulus of ring domains in $\overline{\Bbb R}^n$.
Zair S Ibragimov*, University of Michigan
(97430172)

4:00 p.m.
Asymptotically Symmetric Embeddings and Symmetric Quasicircles.
Shanshuang Yang*, Emory University
(9743040)

4:30 p.m.
Reflections on reflections in quasidisks.
Frederick W Gehring, University of Michigan
Kari Hag*, University of Michigan
(97430249)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Integrable Systems and Poisson Geometry, III
Room 1084, East Hall Organizers: Anthony Bloch, University of Michigan abloch@math.lsa.umich.edu
Philip Foth, University of Arizona foth@math.arizona.edu
Michael Gekhtman, University of Notre Dame Gekhtman.1@nd.edu

3:00 p.m.
Integrable systems of conservation laws and projective theory of congruences.
S I Agafonov*, Department of Mathematical Sciences, Loughborough University, United Kingdom
E V Ferapontov, Department of Mathematical Sciences, Loughborough University, United Kingdom
(9743539)

3:30 p.m.
Topology of the real part of hyperelliptic Jacobian associated with the periodic Toda lattice.
Yuji Kodama*, Ohio State University
(97451175)

4:00 p.m.
Symplectic leaves in triangular Poisson Lie groups.
Milen Yakimov*, Cornell University
Tim Hodges, University of Cincinnati
(97453246)

4:30 p.m.
Integrable Spin CalogeroMoser Systems.
LuenChau Li*, Pennsylvania State University, University Park
Ping Xu, Pennsylvania State University, University Park
(97458169)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Commutative Algebra, III
Room 205, Dennison Building Organizers: Florian Enescu, University of Utah enescu@math.utah.edu.
Anurag K. Singh, University of Utah singh@math.utah.edu
Karen E. Smith, University of Michigan, Ann Arbor kesmith@math.lsa.umich.edu

3:00 p.m.
Big CohenMacaulay algebras in dimension three via Heitmann's theorem.
Melvin Hochster*, University of Michigan
(9741396)

3:30 p.m.
Almost Mathematics and the Homological Conjectures.
Paul C Roberts*, University of Utah
(9741372)

4:00 p.m.
The $F$signature of a ring of characteristic $p$.
Craig Huneke, University of Kansas
Graham J Leuschke*, University of Kansas
(9741322)

4:30 p.m.
$F$signatures of local rings.
Ian M Aberbach*, University of Missouri
Graham Leuschke, University of Kansas
(9741355)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Algebraic Topology, III
Room 221, Dennison Building Organizers: Robert Bruner, Wayne State University rrb@math.wayne.edu
Igor Kriz, University of Michigan, Ann Arbor ikriz@math.lsa.umich.edu

3:00 p.m.
On the Sdual of a circle.
Nicholas J. Kuhn*, University of Virginia
(97455116)

3:30 p.m.
The DoldKan equivalence, simplicial rings and DGAs.
Brooke E Shipley*, Purdue University
(97418118)

4:00 p.m.
Topological equivalences of DGAs.
Daniel Dugger*, Purdue University
(97455195)

4:30 p.m.
The classification of $p$compact groups for $p$ odd.
Kasper K. S. Andersen, CRM, Barcelona
Jesper Grodal*, University of Chicago
Jesper M. Moller, University of Copenhagen
Antonio Viruel, University of Malaga
(97455180)

Saturday March 2, 2002, 3:00 p.m.4:45 p.m.
Special Session on Moduli Spaces, III
Room 216, Dennison Building Organizers: Angela Gibney, University of Michigan, Ann Arbor agibney@math.lsa.umich.edu
Gavril Farkas, University of Michigan, Ann Arbor gfarkas@math.lsa.umich.edu
Thomas Nevins, University of Michigan, Ann Arbor nevins@math.lsa.umich.edu
Gilberto Bini, University of Michigan, Ann Arbor gbini@math.lsa.umich.edu

3:00 p.m.
The rational cohomology of the moduli space of principally polarized abelian 3folds.
Richard M Hain*, Duke University
(9741460)

4:00 p.m.
Discussion

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Algebraic Combinatorics, III
Room 213, Dennison Building Organizers: Patricia Hersh, University of Michigan, Ann Arbor plhersh@math.lsa.umich.edu
Brian D. Taylor, Wayne State University bdt@math.wayne.edu

3:00 p.m.
A weighted enumeration of maximal chains in the Bruhat order.
John R Stembridge*, University of Michigan
(9740528)

3:30 p.m.
Skew Schubert Polynomials.
Cristian Lenart, SUNY Albany
Frank Sottile*, University of Massachusetts at Amherst
(9740545)

4:00 p.m.
Properties of the Betti numbers of Schubert varieties.
Gregory S. Warrington*, University of Massachusetts at Amherst
(97405130)

4:30 p.m.
Subword complexes in Coxeter groups.
Allen Knutson, UC Berkeley
Ezra Miller*, M.I.T.
(9740588)

Saturday March 2, 2002, 3:00 p.m.5:00 p.m.
Special Session on Differential Geometry, II
Room 232, Dennison Building Organizers: Lizhen Ji, University of Michigan, Ann Arbor lji@math.lsa.umich.edu
Krishnan Shankar, University of Michigan, Ann Arbor shankar@math.lsa.umich.edu
Ralf Spatzier, University of Michigan, Ann Arbor spatzier@math.lsa.umich.edu

3:00 p.m.
Rigidity of quasiconformal structures on the boundary of negatively curved manifolds.
Chris Connell*, University of Chicago
(97453217)

3:45 p.m.
On Ricci Rank for Nonpositively Curved Manifolds.
Fangyang Zheng*, Ohio State University
(9745351)

4:30 p.m.
Discussion

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Partial Differential Equations, III
Room 1360, East Hall Organizers: Qing Han, University of Notre Dame qhan@nd.edu
Lihe Wang, University of Iowa lwang@math.uiowa.edu

3:00 p.m.
Convex functions on the Heisenberg and Carnot groups.
Guozhen Lu*, Wayne State University
Juan J. Manfredi, University of Pittsburgh
Bianca Stroffolini, Universita Degli Studi Di Napoli Federico
(97435206)

3:30 p.m.
Static Spherically Symmetric Solutions of Einstein SU(2) Yang Mills Equations.
Alexander N Linden*, Indiana University
(97483243)

4:00 p.m.
Multiple Scale Models in Complex fluids.
Chun Liu*, Dept of Math, Penn Stae University
(97435205)

4:30 p.m.
Quasiconvexity and restricted lower semicontinuity in the calculus of variations.
Baisheng Yan*, Michigan State University
(9743593)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Mapping Class Groups and Geometric Theory of Teichmuller Spaces, III
Room 237, Dennison Building Organizers: Benson Farb, University of Chicago farb@math.uchicago.edu
Nikolai Ivanov, Michigan State University ivanov@math.msu.edu
Howard Masur, University of Illinois, Chicago masur@math.uic.edu

3:00 p.m.
The Geometry of the WeilPetersson completion of Teichm\"{u}ller space.
Scott A. Wolpert*, University of Maryland
(97430220)

3:30 p.m.
Classification of WeilPetersson Isometries.
Georgios D. Daskalopoulos, Brown University
Richard A. Wentworth*, Johns Hopkins University
(9745869)

4:00 p.m.
Moduli Spaces of Harmonic and Minimal Mappings of Surfaces.
Michael Wolf*, Rice University
(97458122)

4:30 p.m.
Divergent trajectories on noncompact spaces  rates and applications.
Barak Weiss*, BenGurion University
(97437228)

Saturday March 2, 2002, 3:00 p.m.4:50 p.m.
Special Session on Stochastic Modeling in Financial Mathematics, II
Room 1068, East Hall Organizers: Ronnie Sircar, Princeton University sircar@princeton.edu

3:00 p.m.
Optimal execution with nonlinear cost functions and tradingenhanced risk.
Robert F Almgren*, University of Toronto
(97449135)

3:30 p.m.
Option pricing with stochastic volatility.
Knut Solna*, University of California at Irvine
(97460145)

4:00 p.m.
On the Convergence from Discrete to Continuous Time in an Optimal Stopping Problem.
Paul Dupuis, Brown University
Hui Wang*, Brown University
(97460204)

4:30 p.m.
Financial price fluctuations in a stock market model with many interacting agents.
Ulrich Horst*, Princeton University
(97460133)

Saturday March 2, 2002, 5:10 p.m.6:00 p.m.
Invited Address
Combinatorial models and algebraic questions in the theory of computing.
Room 1324, East Hall
Laszlo Babai*, University of Chicago

Saturday March 2, 2002, 6:00 p.m.7:00 p.m.
Reception (Sponsored by the Department of Mathematics)
Atrium, East Hall
Inquiries: meet@ams.org

