AMS Sectional Meeting Full Program

Current as of Tuesday, April 12, 2005 15:10:31

Program | Deadlines | Registration/Housing/Etc. | Inquiries: meet@ams.org

2003 Spring Eastern Sectional Meeting
New York, NY, April 12-13, 2003
Meeting #986

Associate secretaries:
Lesley M Sibner, AMS lsibner@duke.poly.edu

Saturday April 12, 2003

Saturday April 12, 2003, 7:30 a.m.-4:00 p.m.
Meeting Registration
Lobby, Courant Building

Saturday April 12, 2003, 7:30 a.m.-4:00 p.m.
Exhibit and Book Sale
13th Floor Lounge, Courant Building

Saturday April 12, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Hopf Algebras and Quantum Groups, I
Room 1302, Courant Building
Organizers:
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
Earl J. Taft, Rutgers University etaft@math.rutgers.edu
Sarah J. Witherspoon, Amherst College sjwitherspoon@amherst.edu
- 8:00 a.m.
  Generalized Lie Solvability in Associative Algebras.
  Yuri Bahturin*, Memorial University of Newfoundland
  (986-16-79)
- 8:30 a.m.
  On fusion categories.
  Dmitri Nikshych*, University of New Hampshire
  (986-16-98)
- 9:00 a.m.
  Invariant Ideals of Abelian Group Algebras under the Multiplicative Action of a Division Ring.
  J. M. Osterburg*, University of Cincinnati
  D. S. Passman, University of Wisconsin, Madison
  A. E. Zalesskii, University of East Anglia
  (986-16-121)
- 9:30 a.m.
  Splitting Morphisms of Bialgebras.
  Alessandro Ardizzoni, Dipartimento di Matematica dell'Universit� di Ferr
  Claudia Menini*, Dipartimento di Matematica dell'Universit� di Ferr
  Dragos Stefan, University of Bucharest
  (986-16-84)
- 10:00 a.m.
  Hopf algebras of trees.
  Marcelo Aguiar*, Texas A&M University
  Frank Sottile, University of Massachusetts
  (986-16-122)
- 10:30 a.m.
  Cherchez la ... representative function.
  Serban Raianu*, California State University, Dominguez Hills
  (986-16-43)

Saturday April 12, 2003, 8:00 a.m.-10:40 a.m.
Special Session on Galois Module Theory and Hopf Algebras, I
Room 813, Courant Building
Organizers:
Daniel R. Replogle, College of Saint Elizabeth dreplogle@CSE.edu
Robert G. Underwood, Auburn University underw@strudel.aum.edu
- 8:00 a.m.
  Non-Commutative Differential Forms in a Monoidal Category.
  Alessandro Ardizzoni*, Dipartimento di Matematica dell'Universit� di Ferrara (Italy)
  (986-18-47)
- 8:30 a.m.
  Pure braided Hopf algebras.
  Mihai D. Staic*, SUNY at Buffalo
  (986-16-14)
- 9:00 a.m.
  Support Spaces for finite group schemes.
  Eric Friedlander, Northwestern
  Julia Pevtsova*, IAS
  (986-16-19)
- 9:30 a.m.
  Hopf orders in cyclic group rings of order $p^3$ over local fields.
  Lindsay N. Childs*, University at Albany
  Robert G. Underwood, Auburn University Montgomery
  (986-16-21)
- 10:20 a.m.
  Chains of Hopf-Swan Subgroups.
  Robert G Underwood*, Auburn University Montgomery
  Daniel R Replogle, College of Saint Elizabeth
  (986-11-17)

Saturday April 12, 2003, 8:15 a.m.-10:45 a.m.
Special Session on Algebraic and Topological Combinatorics, I
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 8:15 a.m.
  Parabolic Kazhdan-Lusztig and $R$-polynomials for Hermitian symmetric pairs: the hyperoctahedral case.
  Francesco Brenti*, Universita' di Roma "Tor Vergata"
  (986-05-204)
- 8:55 a.m.
  Positive formulae for quiver polynomials.
  Allen Knutson*, UC Berkeley
  Ezra Miller, MSRI
  Mark Shimozono, Virginia Tech
  (986-14-215)
- 9:35 a.m.
  Hypertoric varieties.
  Nicholas Proudfoot*, U.C. Berkeley
  (986-14-161)
- 10:15 a.m.
  On Corner Cut Polytopes.
  Irene Mueller*, ETH Zuerich
  (986-05-129)

Saturday April 12, 2003, 8:25 a.m.-10:55 a.m.
Special Session on Low-Dimensional Topology, I
Room 810, Main Building
Organizers:
James Conant, Cornell University jconant@polygon.math.cornell.edu
Slava Krushkal, University of Virginia krushkal@virginia.edu
Rob Schneiderman, NYU-Courant Institute schneid@cims.nyu.edu
- 8:25 a.m.
  Normal Surface Theory, SL(2,C)-Character Varieties and Quantum Invariants.
  Charles D Frohman*, The University of Iowa
  (986-57-42)
- 9:15 a.m.
  Derived group of a link group: three applications.
  Jozef H. Przytycki*, GWU
  Mieczyslaw K. Dabkowski, GWU
  (986-57-221)
- 10:05 a.m.
  The Kontsevich Integral and the multi-variable Alexander polynomial.
  Andrew J Kricker*, University of Toronto
  (986-57-118)
- 10:35 a.m.
  On relations between string topology and Conway skein theory.
  Uwe Kaiser*, Boise State University
  (986-57-124)

Saturday April 12, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Analytical and Computational Methods in Electromagnetics, I
Room 102, Courant Building
Organizers:
Alexander P. Stone, University of New Mexico astone@math.unm.edu
Peter A. McCoy, U. S. Naval Academy pam@usna.edu
- 8:30 a.m.
  Asymptotic Theory of Dispersive Pulse Dynamics in Causal Media.
  Kurt E. Oughstun*, University of Vermont
  (986-78-235)
- 9:00 a.m.
  New Problem Formulation for EM Pulses in Dispersion Models.
  Tom Roberts*, Air Force Research Laboratory
  (986-78-144)
- 9:30 a.m.
  Integration in the Complex Plane Associated with Ultrawideband Electromagnetics.
  Eric L Mokole*, Radar Division, Naval Research Laboratory
  Suren N Samaddar, SFA, Inc.
  (986-78-23)
- 10:00 a.m.
  Application of Mathematical and Physical Concepts to the Maxwell Equations.
  Carl E Baum*, Air Force Research Laboratory
  (986-78-102)
- 10:30 a.m.
  AFOSR Basic Research Projects in Electromagnetics.
  Arje Nachman*, AFOSR
  (986-78-128)

Saturday April 12, 2003, 8:50 a.m.-11:00 a.m.
Special Session on Rigidity in Dynamics, Geometry, and Group Theory, I
Room 408, Main Building
Organizers:
David Fisher, CUNY, Herbert H. Lehman College dfisher@alpha.lehman.cuny.edu
Steven E. Hurder, University of Illinois at Chicago
Kevin M. Whyte, University of Illinois at Chicago
- 8:50 a.m.
  Differentiable rigidity of partially hyperbolic actions of higher-rank abelian groups.
  Anatole Katok*, The Pennsylvania State University
  (986-37-231)
- 9:40 a.m.
  Rigidity for Expanding Actions on Compact Manifolds.
  Travis Fisher*, Penn State
  (986-37-175)
- 10:10 a.m.
  Smoothness of small conjugacies and rigidity of standard actions of rank one lattices.
  Theron J Hitchman*, University of Michigan
  (986-37-182)
- 10:40 a.m.
  Connectivity invariants of group actions.
  Ross Geoghegan*, Binghamton University
  (986-55-146)

Saturday April 12, 2003, 9:00 a.m.-10:50 a.m.
Special Session on Combinatorial and Statistical Group Theory, I
Room 1013, Courant Building
Organizers:
Alexei Myasnikov, City College, New York alexeim@att.net
Vladimir Shpilrain, City College, New York shpil@groups.sci.ccny.cuny.edu
- 9:00 a.m.
  Random Dehn functions of groups.
  Mark Sapir*, Vanderbilt University
  (986-20-158)
- 9:30 a.m.
  The Conjugacy problem and group embeddings.
  Alexander Yu. Olshanskii*, Vanderbilt University
  Mark Y Sapir, Vanderbilt University
  (986-20-166)
- 10:00 a.m.
  Algorithms for fully residually free groups.
  Olga Kharlampovich*, McGill University
  (986-20-85)

Saturday April 12, 2003, 9:00 a.m.-10:50 a.m.
Special Session on Algebraic Geometry, Integrable Systems, and Gauge Theory, I
Room 513, Courant Building
Organizers:
Marcos Jardim, University of Massachusetts, Amherst jardim@math.umass.edu
Eyal Markman, University of Massachusetts, Amherst markman@math.umass.edu
- 9:00 a.m.
  Hyperkahler integrable systems arising from hyperplane arrangements.
  Michael Thaddeus*, Columbia University
  (986-32-185)
- 9:40 a.m.
  $G$-Higgs bundles and surface group representations.
  Oscar Garcia-Prada*, CSIC, Madrid, Spain
  (986-51-180)
- 10:20 a.m.
  A Fourier-Mukai transform for circle fibrations.
  James F. Glazebrook*, Eastern Illinois University
  Marcos Jardim, University of Massachusetts at Amherst
  Franz W. Kamber, University of Illinois at Urbana-Champaign
  (986-58-142)

Saturday April 12, 2003, 9:00 a.m.-10:50 a.m.
Special Session on the History of Mathematics, I
Room 414, Main Building
Organizers:
Patricia R. Allaire, Queensborough Community College, CUNY pallaire@qcc.cuny.edu
Robert E. Bradley, Adelphi University bradley@adelphi.edu
- 9:30 a.m.
  Circles in Old Babylonian mathematics.
  Duncan J. Melville*, St. Lawrence University
  (986-01-190)
- 10:00 a.m.
  Philolaus and the mathematical philosophy of the Pythagoreans.
  Hardy Grant*, York University, Toronto
  (986-01-49)
- 10:30 a.m.
  Enrico Mart\'\i nez in Context.
  Erin Smith*, Roger Williams University
  Bruce Burdick, Roger Williams University
  (986-01-228)

Saturday April 12, 2003, 9:00 a.m.-10:50 a.m.
Special Session on Topological Aspects of Complex Singularities, I
Room 401, Main Building
Organizers:
Sylvain E. Cappell, NYU-Courant Institute cappell@cims.nyu.edu
Walter D. Neumann, Barnard College, Columbia University neumann@math.columbia.edu
Agnes Szilard, Barnard College, Columbia University szilard@math.columbia.edu
- 9:00 a.m.
  Calculations of the Casson-Curtis SL(2,C) invariant.
  Hans Boden*, McMaster University
  (986-57-209)
- 9:30 a.m.
  Donaldson invariants of mapping tori.
  Daniel Ruberman, Brandeis University
  Nikolai Saveliev*, University of Miami
  (986-57-58)
- 10:00 a.m.
  Polynomial knots.
  Alan H Durfee*, Mt Holyoke College
  (986-57-169)
- 10:30 a.m.
  Real Singularities and Open-book Decompositions of the 3-Sphere.
  Anne Pichon*, Institut de Math�matiques de Luminy, Marseille, France
  Jos� Seade, Instituto de Matem\'aticas, Unidad Cuernavaca
  (986-14-168)

Saturday April 12, 2003, 9:00 a.m.-10:50 a.m.
Special Session on Contact and Symplectic Geometry, I
Room 411, Main Building
Organizers:
John B. Etnyre, University of Pennsylvania etnyre@math.upenn.edu
Joshua M. Sabloff, University of Pennsylvania sabloff@math.upenn.edu
- 9:00 a.m.
  Neighborhoods of configurations of symplectic surfaces in symplectic 4-manifolds.
  David T Gay*, University of Arizona
  (986-57-111)
- 9:30 a.m.
  Four dimensions from two in symplectic topology.
  Margaret F Symington*, Georgia Institute of Technology
  (986-57-117)
- 10:00 a.m.
  Contact SU(2) actions.
  Christopher B Willett*, Indiana University
  (986-53-52)
- 10:30 a.m.
  Distinguishing the Chambers of the Moment Polytope.
  Rebecca F Goldin*, George Mason University
  Tara Holm, University of CA, Berkeley
  Lisa Jeffrey, University of Toronto
  (986-51-183)

Saturday April 12, 2003, 9:00 a.m.-10:55 a.m.
Session for Contributed Papers, I
Room 802, Main Building
- 9:00 a.m.
  Ordered Trees (and Forests) Invariant Under a Half-Turn.
  David J Halitsky*, Cumulative Inquiry Inc
  Robert E Jamison, Clemson University
  (986-06-32)
- 9:15 a.m.
  Hypergeometrics, Linear Forms involving Logarithms, and Irrationality Criteria for Euler's Constant.
  Jonathan Sondow*, New York, NY
  (986-11-163)
- 9:30 a.m.
  On cosets of the unit loop of integral octonions.
  Mohammed Abouzaid, University of Chicago
  Jarod Alper, Max Planck Institute for Mathematics
  Steve DiMauro, Boston College
  Justin Grosslight, Stanford University
  Derek Smith*, Lafayette College
  (986-17-217)
- 10:15 a.m.
  On the Nitsche's conjecture for harmonic mappings in $\Bbb R^2$ and $\Bbb R^3$.
  David Martin Kaljaj*, Podgorica,Serbia and Montenegro
  (986-31-07)
- 10:30 a.m.
  A New Asymptotic Series for the Gamma Function.
  Xiquan Shi*, Delaware State University
  Fengshan Liu, Delaware State University
  (986-33-15)
- 10:45 a.m.
  Limited Newton's Step Algorithm for Convex Programming Problems with Linear Constraints.
  Yixun Shi*, Bloomsburg University of Pennsylvania
  (986-65-135)

Saturday April 12, 2003, 9:10 a.m.-11:00 a.m.
Special Session on Nonlinear Partial Differential Equations in Differential Geometry, I
Room 804, Main Building
Organizers:
John C. Loftin, Columbia University loftin@math.columbia.edu
Mu-Tao Wang, Columbia University mtwang@math.columbia.edu
- 9:10 a.m.
  Singular Real Projective Surfaces--An Analytic Approach.
  John C. Loftin*, Columbia
  (986-53-149)
- 9:50 a.m.
  Analysis of Geometric Stability.
  T Sean Paul*, Columbia University
  Gang Tian, M.I.T.
  (986-32-223)
- 10:30 a.m.
  An Isoperimetric Estimate for the Ricci Flow.
  Xiaodong Cao*, Columbia University
  (986-53-212)

Saturday April 12, 2003, 9:30 a.m.-10:50 a.m.
Special Presentation: Part I
TA development using case studies: A workshop for faculty.
Room 101, Courant Building
Presenters:
Diane Herrmann, University of Chicago

Saturday April 12, 2003, 11:10 a.m.-12:00 p.m.
Invited Address
Mathematical aspects of financial risk.
Room 109, Courant Building
Hans Foellmer*, Humboldt University Berlin
(986-60-01)

Saturday April 12, 2003, 1:30 p.m.-2:20 p.m.
Invited Address
Legendrian Knots.
Room 109, Courant Building
John Etnyre*, University of Pennsylvania
(986-57-04)

Saturday April 12, 2003, 2:30 p.m.-5:50 p.m.
Special Session on Hopf Algebras and Quantum Groups, II
Room 1302, Courant Building
Organizers:
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
Earl J. Taft, Rutgers University etaft@math.rutgers.edu
Sarah J. Witherspoon, Amherst College sjwitherspoon@amherst.edu
- 2:30 p.m.
  About copointed Hopf algebras.
  Luzius Grunenfelder*, Dalhousie University
  Mitja Mastnak, Dalhousie University
  (986-16-123)
- 3:00 p.m.
  On bimeasuring.
  Luzius Grunenfelder, Dalhousie University
  Mitja Mastnak*, Dalhousie University
  (986-16-68)
- 3:30 p.m.
  The coradical of the dual of a lifting of a quantum plane.
  N. Andruskiewitsch, Universidad Nacional de Cordoba
  M. Beattie*, Mount Allison University
  (986-16-74)
- 4:00 p.m.
  One-sided Hopf algebra within the framework of quantum groups.
  Suemi Rodr�guez-Romo*, Universidad Nacional Autonoma de Mexico
  Earl Taft, Rutgers University
  (986-08-54)
- 4:30 p.m.
  Coordinate differential calculi defined by YB operators.
  Vladislav Kirillovich Kharchenko*, FES-Cuautitlan, UNAM
  (986-16-36)
- 5:00 p.m.
  On Oriented Quantum Algebras Derived from Representations of the Quantum Double of a Finite-Dimensional Hopf Algebra.
  David E. Radford*, University of Illinois at Chicago
  (986-16-106)
- 5:30 p.m.
  Quantum Symmetry, II.
  Murray Gerstenhaber*, University of Pennsylvania
  (986-81-119)

Saturday April 12, 2003, 2:30 p.m.-5:50 p.m.
Special Session on Combinatorial and Statistical Group Theory, II
Room 1013, Courant Building
Organizers:
Alexei Myasnikov, City College, New York alexeim@att.net
Vladimir Shpilrain, City College, New York shpil@groups.sci.ccny.cuny.edu
- 2:30 p.m.
  A solution of MAGNUS FP15.
  Charles F. Rocca, Western Connecticut State University
  Edward C Turner*, SUNY Albany
  (986-20-89)
- 3:00 p.m.
  Stable Numerical Invariants.
  Richard Z Goldstein*, University at Albany
  (986-20-56)
- 3:30 p.m.
  Counting conjugacy classes.
  Igor Rivin*, Temple University
  (986-20-173)
- 4:00 p.m.
  Generic properties of the Whitehead Algorithm, of stabilizers in $Aut(F_k)$ and of one-relator groups.
  Ilya Kapovich*, University of Illinois at Urbana-Champaign
  Paul E. Schupp, University of Illinois at Urbana-Champaign
  Vladimir Shpilrain, City College of CUNY
  (986-20-103)
- 4:30 p.m.
  Growth of the Baumslag-Solitar group BS(2,3).
  Briana Cook, Southern Utah University
  Eric M Freden*, Southern Utah University
  Alisha McCann, Southern Utah University
  (986-20-159)
- 5:00 p.m.
  On some problems of the theory of group varieties.
  Sergei V Ivanov*, University of Illinois at Urbana-Champaign
  (986-20-200)
- 5:30 p.m.
  Some New Classes of Groups with Solvable Quadratic Equation Problems.
  Martin Greendlinger*, Art Institute of Philadelphia
  Elena Greendlinger, Community College of Philadelphia
  (986-20-31)

Saturday April 12, 2003, 2:30 p.m.-5:40 p.m.
Special Session on Algebraic Geometry, Integrable Systems, and Gauge Theory, II
Room 513, Courant Building
Organizers:
Marcos Jardim, University of Massachusetts, Amherst jardim@math.umass.edu
Eyal Markman, University of Massachusetts, Amherst markman@math.umass.edu
- 2:30 p.m.
  Commuting partial differential operators.
  Emma Previato*, IAS and Boston University
  (986-14-198)
- 3:10 p.m.
  From Klein to Painleve via Fourier and Laplace.
  Philip P Boalch*, Columbia University, New York
  (986-34-55)
- 3:50 p.m.
  A Generalized Mukai Product and the Orbifold Cohomology Ring.
  Andrei H Caldararu*, University of Pennsylvania
  (986-14-153)
- 4:30 p.m.
  Nahm-Mukai transform for instantons over ALE 4-manifolds.
  Claudio Bartocci*, Universita degli Studi di Genova
  Marcos Jardim, University of Massachusetts Amherst
  (986-53-238)
- 5:10 p.m.
  Twisted Fourier-Mukai transforms for holomorphic symplectic manifolds.
  Justin Sawon*, SUNY at Stony Brook
  (986-14-67)

Saturday April 12, 2003, 2:30 p.m.-5:20 p.m.
Special Session on the History of Mathematics, II
Room 414, Main Building
Organizers:
Patricia R. Allaire, Queensborough Community College, CUNY pallaire@qcc.cuny.edu
Robert E. Bradley, Adelphi University bradley@adelphi.edu
- 2:30 p.m.
  Mario Pieri's role in the history of algebraic geometry and foundations of mathematics - a work in progress.
  Elena Anne Marchisotto*, California State University
  (986-01-150)
- 3:00 p.m.
  William Fogg Osgood's 1897 Paper on Non-Uniform Convergence.
  Lawrence D'Antonio*, Ramapo College of New Jersey
  (986-01-91)
- 3:30 p.m.
  Charles L. Dodgson's Memoria Technica Cipher.
  Francine F. Abeles*, Kean University
  (986-01-77)
- 4:00 p.m.
  Shifts in time: cryptography and randomness.
  Sven Dietrich*, Carnegie Mellon University
  (986-01-219)
- 4:30 p.m.
  Wu's Amazing Geometry Theorem Proving Machine.
  Ronald I Sklar*, St. John's University
  Ronald W. Fechter, St. John's University
  (986-01-10)
- 5:00 p.m.
  History (1947--1999) of Some Evolution Partial Differential Equations: Decay of solutions for some nonlinear, dispersive wave equations.
  Robert L Luo*, The Richard Stockton College of New Jersey
  (986-35-94)

Saturday April 12, 2003, 2:30 p.m.-5:30 p.m.
Special Session on Algebraic and Topological Combinatorics, II
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 2:30 p.m.
  Realization of Abelian groups by complex plane nets.
  Sergey Yuzvinsky*, University of Oregon
  (986-14-141)
- 3:05 p.m.
  Gram matrices from Steinberg lattices and hyperplane arrangements.
  Graham Denham*, University of Western Ontario
  Nicole Lemire, University of Western Ontario
  (986-20-224)
- 3:45 p.m.
  Combinatorics of real and complex models of arrangements.
  Giovanni Gaiffi*, Scuola Normale Superiore di Pisa
  (986-52-96)
- 4:25 p.m.
  Fundamental groups of complex hyperplane arrangements.
  Alexander I. Suciu*, Northeastern University
  (986-20-232)
- 5:00 p.m.
  Complexity of the motion planning problem in the real projective space.
  Serge Tabachnikov*, Penn State
  Michael Farber, Tel Aviv University
  Sergei Yuzvinsky, University of Oregon
  (986-55-93)

Saturday April 12, 2003, 2:30 p.m.-5:10 p.m.
Special Session on Galois Module Theory and Hopf Algebras, II
Room 813, Courant Building
Organizers:
Daniel R. Replogle, College of Saint Elizabeth dreplogle@CSE.edu
Robert G. Underwood, Auburn University underw@strudel.aum.edu
- 2:30 p.m.
  Stickelberger factorization and local decomposition of resolvends. Preliminary report.
  Leon R McCulloh*, University of Illinois, Urbana-Champaign
  (986-11-26)
- 3:20 p.m.
  Cyclotomic Swan Subgroups and Primitive Roots.
  Timothy Kohl, Boston University
  Daniel R Replogle*, College of Saint Elizabeth
  (986-11-05)
- 3:50 p.m.
  Galois module structure of units in real biquadratic number fields.
  Marcin Mazur*, Binghamton University
  Stephen V Ullom, University of Illinois at Urbana-Champaign
  (986-11-22)
- 4:20 p.m.
  Counting Hopf Galois Structures on Dihedral and Quaternionic Extensions.
  Timothy Kohl*, Boston University
  (986-16-25)
- 4:50 p.m.
  Abelian Hopf-Galois Structures on Galois Field Extensions of Prime powered Order.
  Stephen C Featherstonhaugh*, Univeristy at Albany
  (986-08-29)

Saturday April 12, 2003, 2:30 p.m.-5:00 p.m.
Special Session on Analytical and Computational Methods in Electromagnetics, II
Room 102, Courant Building
Organizers:
Alexander P. Stone, University of New Mexico astone@math.unm.edu
Peter A. McCoy, U. S. Naval Academy pam@usna.edu
- 2:30 p.m.
  Shape deformations in rough surface scattering: cancellations, conditioning, and improved algorithms.
  Fernando Reitich*, University of Minnesota
  (986-78-69)
- 3:00 p.m.
  Solution of the Time Domain Electric Field Integral Equation Without the Time Variable.
  Tapan K Sarkar*, Syracuse University
  (986-45-109)
- 3:30 p.m.
  An S-Matrix Based Hybrid Method.
  Gregory A Kriegsmann*, New Jersey Institute of Technology
  (986-78-64)
- 4:00 p.m.
  On the long-time behavior of unsplit Perfectly Matched Layers.
  Eliane Becache, INRIA-Rocquencourt
  Peter G. Petropoulos*, New Jersey Institute of Technology
  Stephen D. Gedney, Department of Electrical and Computer Engineering,
  (986-78-61)
- 4:30 p.m.
  The secret lives of complex-source pulsed beams: Their source distributions in the spacetime and Fourier domains.
  Gerald Kaiser*, Virginia Center for Signals and Waves
  (986-78-126)

Saturday April 12, 2003, 2:30 p.m.-5:30 p.m.
Special Session on Rigidity in Dynamics, Geometry, and Group Theory, II
Room 408, Main Building
Organizers:
David Fisher, CUNY, Herbert H. Lehman College dfisher@alpha.lehman.cuny.edu
Steven E. Hurder, University of Illinois at Chicago
Kevin M. Whyte, University of Illinois at Chicago
- 2:30 p.m.
  The second cohomology of G with RG coefficients, and the structure of G.
  Bruce A Kleiner*, University of Michigan, Ann Arbor
  (986-20-105)
- 3:00 p.m.
  Almost isometric actions, property T and local rigidity.
  David M Fisher*, Lehman College CUNY
  G A Margulis, Yale University
  (986-37-170)
- 3:30 p.m.
  Volumes of representations.
  Bruno Klingler*, Yale University
  (986-20-230)
- 4:10 p.m.
  Finiteness of compact maximal flats of volume less than a given number.
  Hee Oh*, Institute for Advanced Study
  (986-22-133)
- 4:40 p.m.
  Rigidity of surface group extensions.
  Lee Mosher*, Rutgers University --- Newark
  (986-20-197)
- 5:10 p.m.
  A simple description of the Riemannian symmetric spaces of rank one.
  Adam Koranyi*, H. H. Lehman College
  (986-53-11)

Saturday April 12, 2003, 2:30 p.m.-5:20 p.m.
Special Session on Contact and Symplectic Geometry, II
Room 411, Main Building
Organizers:
John B. Etnyre, University of Pennsylvania etnyre@math.upenn.edu
Joshua M. Sabloff, University of Pennsylvania sabloff@math.upenn.edu
- 2:30 p.m.
  Polynomials for Legendrian Links.
  Lisa Traynor*, Bryn Mawr College
  Lenny Ng, Stanford University
  (986-58-87)
- 3:00 p.m.
  Knot and Braid Invariants from Contact Homology.
  Lenhard Ng*, AIM and Stanford University
  (986-57-88)
- 3:30 p.m.
  Knots and contact geometry.
  Ko Honda*, University of Southern California
  (986-53-33)
- 4:00 p.m.
  Open Book Decompositions and Contact Structures.
  Noah D Goodman*, University of Texas at Austin
  (986-54-178)
- 4:30 p.m.
  Classifying tight contact structures on Seifert fibered spaces.
  Stephan Schoenenberger*, University of Pennsylvania
  (986-51-60)
- 5:00 p.m.
  On the contactomorphism group of 3-manifolds.
  Nadya Shirokova*, Institute for Advanced Study
  (986-57-194)

Saturday April 12, 2003, 2:30 p.m.-5:40 p.m.
Special Session on Nonlinear Partial Differential Equations in Differential Geometry, II
Room 804, Main Building
Organizers:
John C. Loftin, Columbia University loftin@math.columbia.edu
Mu-Tao Wang, Columbia University mtwang@math.columbia.edu
- 2:30 p.m.
  Stability for the Kahler Ricci Flow on complete non-compact Kahler manifolds.
  Albert Chau*, Harvard University
  Oliver C. Schnuerer, Max Planck Institute for Mathematics
  (986-53-237)
- 3:10 p.m.
  A fully nonlinear equation on 4-manifolds with positive scalar curvature.
  Jeff A. Viaclovsky*, MIT
  (986-53-236)
- 3:50 p.m.
  Infinite boundary value problem for Monge-Ampere equations.
  Bo Guan*, University of Tennessee
  Huaiyu Jian, Tsinghua University
  (986-35-233)
- 4:30 p.m.
  Differential Harnack Estimates in the Ricci Flow.
  Bing Cheng*, Harvard University
  (986-53-202)
- 5:10 p.m.
  On the $L^2$ cohomology of convex cocompact hyperbolic manifolds.
  Xiaodong Wang*, M.I.T.
  (986-53-167)

Saturday April 12, 2003, 2:30 p.m.-5:40 p.m.
Special Session on Low-Dimensional Topology, II
Room 810, Main Building
Organizers:
James Conant, Cornell University jconant@polygon.math.cornell.edu
Slava Krushkal, University of Virginia krushkal@virginia.edu
Rob Schneiderman, NYU-Courant Institute schneid@cims.nyu.edu
- 2:30 p.m.
  Ribbon concodance and higher order Arf invariants.
  Kent E Orr*, Indiana University Bloomington
  Tim D Cochran, Rice University
  (986-57-188)
- 3:20 p.m.
  Holomorphic disks and knot invariants.
  Peter Steven Ozsvath*, Columbia University
  Zoltan Szabo, Princeton University
  (986-57-186)
- 4:10 p.m.
  Geometric simple connectivity in high dimensions in connection with problems in low dimensional topology.
  V. Poenaru*, Universite' de Paris-Sud Centre d'Orsay
  (986-57-152)
- 5:00 p.m.
  Attempts to prove the surgery conjecture for 4-manifolds.
  Frank Quinn*, Virginia Tech
  Slava Krushkal, University of Virginia
  (986-57-62)

Saturday April 12, 2003, 2:30 p.m.-4:10 p.m.
Session for Contributed Papers, II
Room 802, Main Building
- 2:30 p.m.
  The Inverse Periodic Spectral Theory of the Euler-Bernoulli Equation I: The ``Perfect Square'' Case.
  Vassilis G Papanicolaou*, National Technical University of Athens
  (986-34-46)
- 2:45 p.m.
  Riesz Transforms Associated with the Laguerre Polynomials.
  Andrew J Incognito*, Coastal Carolina University
  (986-42-57)
- 3:00 p.m.
  Isomorphisms of R Sequences.
  Andrew B Perry*, Springfield College
  (986-46-39)
- 3:15 p.m.
  An approach to Dvoretzky-Rogers theorem via Hadamard matrices.
  Nicholas Nicholas Vakhania*, Institute of Computational Mathematics, Georgian Academy of Sciences
  Vakhtang Varlam Kvaratskhelia, Institute of Computational Mathematics, Georgian Academy of Sciences
  (986-46-40)
- 3:30 p.m.
  Some Approximations to the Distribution of the Least Squares Estimator of the Autoregressive Parameter in AR(1) Model.
  Leslie Chandrakantha*, John Jay College/CUNY
  (986-62-63)
- 3:45 p.m.
  The Kinematical Rotations of N-particle Hyperspherical basis. Construction of Symmetrized Basic Hyperspherical Functions.
  Lia Leon Chachanidze-Margolin*, K. Gibbs College, New York, NY
  Nina Boris Krupennikova, Moscow State University
  (986-70-12)

Saturday April 12, 2003, 2:30 p.m.-4:30 p.m.
Special Presentation: Part II
TA development using case studies: A workshop for faculty.
Room 101, Courant Building
Presenters:
Diane Herrmann, University of Chicago

Saturday April 12, 2003, 3:00 p.m.-6:00 p.m.
Special Session on Topological Aspects of Complex Singularities, II
Room 401, Main Building
Organizers:
Sylvain E. Cappell, NYU-Courant Institute cappell@cims.nyu.edu
Walter D. Neumann, Barnard College, Columbia University neumann@math.columbia.edu
Agnes Szilard, Barnard College, Columbia University szilard@math.columbia.edu
- 3:00 p.m.
  The link of $\{f(x,y)+z^n=0\}$ and Zariski's conjecture.
  R Mendris*, The Ohio State University
  A Nemethi, The Ohio State University
  (986-32-82)
- 3:30 p.m.
  Normal surface singularities and the Seiberg-Witten invariant.
  Andras Nemethi*, The Ohio State University
  (986-32-176)
- 4:00 p.m.
  Complete intersection singularities of splice type.
  Walter D Neumann, Barnard College, Columbia University
  Jonathan Wahl*, University of North Carolina
  (986-57-192)
- 4:30 p.m.
  The Casson Invariant Conjecture.
  Walter D Neumann*, Barnard College, Columbia University
  Jonathan Wahl, University of North Carolina
  (986-57-191)
- 5:00 p.m.
  Rho invariants of Seifert fibered manifolds.
  Edward Y. Miller*, Brooklyn Polytechnic University
  (986-57-239)
- 5:30 p.m.
  Problem session

Sunday April 13, 2003

Sunday April 13, 2003, 8:00 a.m.-12:00 p.m.
Meeting Registration
Lobby, Courant Building

Sunday April 13, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Hopf Algebras and Quantum Groups, III
Room 1302, Courant Building
Organizers:
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
Earl J. Taft, Rutgers University etaft@math.rutgers.edu
Sarah J. Witherspoon, Amherst College sjwitherspoon@amherst.edu
- 8:00 a.m.
  Co-Frobenius Hopf algebras and the coradical filtration.
  N. Andruskiewitsch, University of Cordoba
  S. Dascalescu*, Kuwait University
  (986-16-35)
- 8:30 a.m.
  Generalized cocommutative elements and Nakayama automorphisms.
  Miriam Cohen*, Ben-Gurion University
  Sara Westreich, Bar-Ilan University
  (986-16-115)
- 9:00 a.m.
  Higher Frobenius-Schur indicators.
  Yorck Sommerh�user*, Universit�t M�nchen
  (986-16-116)
- 9:30 a.m.
  Semisimple Hopf algebras of dimension $p^n$.
  Yevgenia Kashina*, DePaul University
  Mark Kleiner, Syracuse University
  (986-16-97)
- 10:00 a.m.
  Semisimplicity of Hopf Algebra of Dimension $pq$.
  Siu-Hung Ng*, Towson University
  (986-16-86)
- 10:30 a.m.
  Quantum lines over non-cocommutative cosemisimple Hopf algebras.
  Corina Calinescu*, Rutgers University, New Brunswi
  Sorin Dascalescu, Kuwait University
  Akira Masuoka, University of Tsukuba
  Claudia Menini, Ferrara University
  (986-16-51)

Sunday April 13, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Combinatorial and Statistical Group Theory, III
Room 1013, Courant Building
Organizers:
Alexei Myasnikov, City College, New York alexeim@att.net
Vladimir Shpilrain, City College, New York shpil@groups.sci.ccny.cuny.edu
- 8:00 a.m.
  Geodesics in the Braid Group on Three Strands and a Related Group.
  Lucas A Sabalka*, U. of Illinois at Champaign-Urbana
  (986-20-160)
- 8:30 a.m.
  A Wilson group of non-uniformly exponential growth.
  Laurent Bartholdi*, U. C. Berkeley
  (986-20-127)
- 9:00 a.m.
  Nonpositive immersions, local indicability and coherence.
  Daniel T. Wise*, McGill University
  (986-57-164)
- 9:30 a.m.
  Uniform non-amenability.
  Enric Ventura*, Universitat Polit�cnica de Catalunya
  (986-20-83)
- 10:00 a.m.
  Removable Pairs in Trivial Braid Words.
  Patrick Dehornoy*, Universite de Caen
  (986-20-136)
- 10:30 a.m.
  On the coherence of coherent-by-cyclic groups.
  Inna Bumagin*, McGill University
  Daniel T Wise, McGill University
  (986-20-181)

Sunday April 13, 2003, 8:00 a.m.-12:00 p.m.
Exhibit and Book Sale
13th Floor Lounge, Courant Building

Sunday April 13, 2003, 8:15 a.m.-10:45 a.m.
Special Session on Algebraic and Topological Combinatorics, III
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 8:15 a.m.
  Topological properties of active orders for matroid bases.
  Bruce E Sagan*, Michigan State University
  Rieuwert J Blok, Michigan State University
  (986-06-70)
- 8:55 a.m.
  The no-perfect-matching complex and related complexes.
  Svante Linusson, Link\"oping University
  John Shareshian*, Washington University
  Michelle Wachs, University of Miami
  Volkmar Welker, Philipps-Universit\"at Marburg
  (986-05-193)
- 9:35 a.m.
  Maps and graph colorings.
  Erik K. Babson*, University of Washington, Seattle
  Dmitry Kozlov, KTH
  (986-05-216)
- 10:15 a.m.
  Topological questions on non-Euclidean oriented matroids.
  Laura M Anderson*, Binghamton University
  (986-05-225)

Sunday April 13, 2003, 8:30 a.m.-11:00 a.m.
Special Session on Algebraic Geometry, Integrable Systems, and Gauge Theory, III
Room 513, Courant Building
Organizers:
Marcos Jardim, University of Massachusetts, Amherst jardim@math.umass.edu
Eyal Markman, University of Massachusetts, Amherst markman@math.umass.edu
- 8:30 a.m.
  Cohomology rings of symplectic quotients.
  Lisa Claire Jeffrey*, University of Toronto
  (986-58-108)
- 9:10 a.m.
  Classical geometry and Painleve VI.
  Nigel J Hitchin*, Oxford University
  (986-14-157)
- 9:50 a.m.
  Elliptic Sklyanin integrable systems.
  Jacques Hurtubise*, McGill and CRM
  Eyal Markman, U. Massachusetts
  (986-14-143)
- 10:30 a.m.
  Discussion

Sunday April 13, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Analytical and Computational Methods in Electromagnetics, III
Room 102, Courant Building
Organizers:
Alexander P. Stone, University of New Mexico astone@math.unm.edu
Peter A. McCoy, U. S. Naval Academy pam@usna.edu
- 8:30 a.m.
  The inverse electromagnetic scattering problem for screens.
  Fioralba Cakoni*, University of Delaware
  (986-35-75)
- 9:00 a.m.
  Numerical Simulation of Electromagnetic Fields in a Complex, Two-Dimensional Rectangular Cavity.
  Terence J. Wieting*, US Naval Research Laboratory
  Dong Ho Wu, US Naval Research Laboratory
  Louis F. Libelo, SFA, Inc.
  Michael I. Haftel, US Naval Research Laboratory
  Jeff Braunstein, Rensselaer Polytechnic Institute
  (986-78-227)
- 10:00 a.m.
  A Differtential-Geometric Method in Electromagnetic Lens Design.
  Alexander P Stone*, University of New Mexico
  (986-78-104)
- 10:30 a.m.
  Artificial Boundary Conditions for the Numerical Simulation of Unsteady Waves Governed by Vector Models.
  Semyon V Tsynkov*, North Carolina State University
  (986-65-120)

Sunday April 13, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Topological Aspects of Complex Singularities, III
Room 401, Main Building
Organizers:
Sylvain E. Cappell, NYU-Courant Institute cappell@cims.nyu.edu
Walter D. Neumann, Barnard College, Columbia University neumann@math.columbia.edu
Agnes Szilard, Barnard College, Columbia University szilard@math.columbia.edu
- 8:30 a.m.
  On the embedded resolution of cyclic surface singularities.
  Agnes Szilard*, Barnard College, Columbia University
  (986-14-214)
- 9:00 a.m.
  Recent progress in the study of some non-isolated singularities.
  Lee J. McEwan*, The Ohio State University
  (986-14-179)
- 9:30 a.m.
  On Hodge spectrum and multiplier ideals.
  Nero Budur*, University of Illinois at Chicago
  (986-14-34)
- 10:00 a.m.
  Stringy invariants for general singularities.
  Willem Veys*, University of Leuven
  (986-14-95)
- 10:30 a.m.
  Calculating Euler Characteristics of Vanishing Cycles.
  David B. Massey*, Northeastern University
  (986-32-66)

Sunday April 13, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Contact and Symplectic Geometry, III
Room 411, Main Building
Organizers:
John B. Etnyre, University of Pennsylvania etnyre@math.upenn.edu
Joshua M. Sabloff, University of Pennsylvania sabloff@math.upenn.edu
- 8:30 a.m.
  Fillings by pseudoholomorphic curves and the Chord Problem in Contact Geometry.
  Casim Abbas*, Michigan State University
  (986-53-37)
- 9:00 a.m.
  Counting pseudo-holomorphic curves in four-manifolds.
  Michael Hutchings, UC Berkeley
  Michael Sullivan*, University of Michigan
  (986-53-45)
- 9:30 a.m.
  Contact homology, contact embeddings and a partial order of contactomorphisms.
  Sang Seon Kim*, University of Southern California
  (986-53-156)
- 10:00 a.m.
  Unknottedness of Lagrangian tori in the standard symplectic ${\mathbb R}^4$.
  Alexander Ivrii*, Stanford University
  (986-53-201)
- 10:30 a.m.
  Fredholm Theory and Transversality for Non-compact Pseudoholomorphic Curves in Symplectizations.
  Dragomir L Dragnev*, University of Southern California
  (986-58-48)

Sunday April 13, 2003, 8:30 a.m.-11:00 a.m.
Special Session on Nonlinear Partial Differential Equations in Differential Geometry, III
Room 405, Main Building
Organizers:
John C. Loftin, Columbia University loftin@math.columbia.edu
Mu-Tao Wang, Columbia University mtwang@math.columbia.edu
- 8:30 a.m.
  Remarks on a Class of Solutions to the Minimal Surface System.
  Mu-Tao Wang*, Columbia University
  (986-53-137)
- 9:10 a.m.
  Analytic properties of harmonic maps into Teichmuller spaces.
  Sumio Yamada*, University of Alabama at Birmingham
  (986-58-145)
- 9:50 a.m.
  Special Lagrangian Submanifolds with Boundary and Lagrangian Free Boundary Plateau Problem.
  Weiyang Qiu*, Harvard University
  (986-53-140)
- 10:30 a.m.
  Deformations of $G_2$ Structures on Manifolds.
  Spiro Karigiannis*, Harvard University
  (986-53-139)

Sunday April 13, 2003, 8:45 a.m.-11:00 a.m.
Special Session on the History of Mathematics, III
Room 414, Main Building
Organizers:
Patricia R. Allaire, Queensborough Community College, CUNY pallaire@qcc.cuny.edu
Robert E. Bradley, Adelphi University bradley@adelphi.edu
- 8:45 a.m.
  A Golden Decade: Euler in Berlin, 1746 - 1756 -- A Preliminary Study.
  Ronald S. Calinger*, Catholic University of America
  (986-01-218)
- 9:30 a.m.
  Euler's Solution of the Basel Problem - The Longer Story.
  Ed Sandifer*, Western Connecticut State U
  (986-01-65)
- 10:00 a.m.
  Euler's All-Purpose Counterexample.
  Robert E. Bradley*, Adelphi University
  (986-01-206)
- 10:30 a.m.
  d'Alembert's proof of the Fundamental Theorem of Algebra: mathematical issues.
  Christopher Baltus*, SUNY College at Oswego
  (986-01-50)

Sunday April 13, 2003, 8:50 a.m.-11:00 a.m.
Special Session on Rigidity in Dynamics, Geometry, and Group Theory, III
Room 408, Main Building
Organizers:
David Fisher, CUNY, Herbert H. Lehman College dfisher@alpha.lehman.cuny.edu
Steven E. Hurder, University of Illinois at Chicago
Kevin M. Whyte, University of Illinois at Chicago
- 8:50 a.m.
  Flats in outer space.
  Karen Vogtmann*, Cornell University
  (986-20-220)
- 9:40 a.m.
  Quasi-isometric rigidity for some nonuniform $S$-arithmetic lattices.
  Kevin Wortman*, University of Chicago
  (986-20-210)
- 10:10 a.m.
  Centralizers of Partially Hyperbolic Diffeomorphisms.
  Lizzie Burslem*, University of Michigan
  (986-37-226)
- 10:40 a.m.
  Area preserving group actions on surfaces.
  John Franks*, Northwestern University
  Michael Handel, Lehman College, CUNY
  (986-37-71)

Sunday April 13, 2003, 8:55 a.m.-10:50 a.m.
Special Session on Low-Dimensional Topology, III
Room 810, Main Building
Organizers:
James Conant, Cornell University jconant@polygon.math.cornell.edu
Slava Krushkal, University of Virginia krushkal@virginia.edu
Rob Schneiderman, NYU-Courant Institute schneid@cims.nyu.edu
- 8:50 a.m.
  $A$-polynomial and Bloch invariants of hyperbolic 3-manifolds.
  Abhijit Champanerkar*, Columbia University
  (986-57-53)
- 9:20 a.m.
  Lie bialgebras of curves on surfaces and their computation.
  Moira Chas*, SUNY at Stony Brook
  (986-57-165)
- 10:10 a.m.
  Remarks on combinatorial Yamabe flows.
  Feng Luo*, Rutgers University
  (986-57-125)

Sunday April 13, 2003, 9:00 a.m.-10:40 a.m.
Special Session on Galois Module Theory and Hopf Algebras, III
Room 813, Courant Building
Organizers:
Daniel R. Replogle, College of Saint Elizabeth dreplogle@CSE.edu
Robert G. Underwood, Auburn University underw@strudel.aum.edu
- 9:00 a.m.
  Nearly perfect complexes and Weil �tale cohomology.
  David Burns*, King's College London, U.K.
  (986-11-27)
- 9:50 a.m.
  Structure of a Quantum Hyperalgebra.
  W. Chin, DePaul University
  L. Krop*, DePaul University
  (986-16-41)
- 10:20 a.m.
  Diagonalization of Representation Operators for the Quantum Algebra $U_q(su_{1,1})$.
  N M Atakishiyev*, Instituto de Matematicas, UNAM
  A U Klimyk, Instituto de Matematicas, UNAM
  (986-16-30)

Sunday April 13, 2003, 11:10 a.m.-12:00 p.m.
Invited Address
The Riemannian geometry of the 2-Wasserstein metric and the nonlinear kinetic Fokker-Planck equation.
Room 109, Courant Building
Wilfrid Gangbo*, Georgia Institute of Technology
(986-35-03)

Sunday April 13, 2003, 1:30 p.m.-2:20 p.m.
Invited Address
Asymptotic differential algebra.
Room 109, Courant Building
Matthias Aschenbrenner*, University of California Berkeley
(986-03-02)

Sunday April 13, 2003, 2:30 p.m.-5:20 p.m.
Special Session on Hopf Algebras and Quantum Groups, IV
Room 1302, Courant Building
Organizers:
M. Susan Montgomery, University of Southern California smontgom@math.usc.edu
Earl J. Taft, Rutgers University etaft@math.rutgers.edu
Sarah J. Witherspoon, Amherst College sjwitherspoon@amherst.edu
- 2:30 p.m.
  Invariants of Skew Derivations.
  Jeffrey Bergen*, DePaul University
  Piotr Grzeszczuk, Bialystok Technical Institute
  (986-16-100)
- 3:00 p.m.
  Representing relatively free coalgebras by formal sums.
  Mikhail V. Kochetov*, University of Saskatchewan
  (986-16-110)
- 3:30 p.m.
  Divided power Hopf algebras over integral domains.
  Richard E. Block*, University of California Riverside
  (986-13-112)
- 4:00 p.m.
  Local theory of almost split sequences for comodules.
  William Chin*, DePaul University
  Declan Quinn, Syracuse University
  Mark Kleiner, Syracuse University
  (986-16-92)
- 4:30 p.m.
  Quasi-Hopf algebras, Hopf modules, and monoidal categories.
  Peter Schauenburg*, Mathematisches Institut, University of Munich, Ger
  (986-16-114)
- 5:00 p.m.
  Schur Algebras and Enveloping Algebras.
  Anthony Giaquinto*, Loyola University Chicago
  (986-16-171)

Sunday April 13, 2003, 2:30 p.m.-5:50 p.m.
Special Session on Combinatorial and Statistical Group Theory, IV
Room 1013, Courant Building
Organizers:
Alexei Myasnikov, City College, New York alexeim@att.net
Vladimir Shpilrain, City College, New York shpil@groups.sci.ccny.cuny.edu
- 2:30 p.m.
  Recent developments in the theory of Fuchsian and Kleinian groups.
  Gerhard Rosenberger*, Universit\"at Dortmund
  (986-20-59)
- 3:00 p.m.
  On Non-Trivially Discriminating Groups.
  Gilbert Baumslag, City University of New York
  Benjamin Fine*, Fairfield University
  Anthony M. Gaglione, United States Naval Academy
  Dennis Spellman, Temple University
  (986-20-203)
- 3:30 p.m.
  Arithmetic properties of lattices in rank 2 Kac-Moody groups over finite fields.
  Lisa Carbone*, Rutgers University
  (986-20-81)
- 4:00 p.m.
  Growth in semigroup varieties.
  Lev M Shneerson*, Hunter College,The City University of New York
  (986-20-155)
- 4:30 p.m.
  A partial result on the complexity of Whitehead's algorithm.
  Donghi Lee*, College of Staten Island, CUNY
  (986-20-196)
- 5:00 p.m.
  Groups generated by positive multi-twists and the fake lantern problem.
  Hessam Hamidi-Tehrani*, New York, NY
  (986-20-90)
- 5:30 p.m.
  Groups of simultaneously even- and p-type.
  Inna A Korchagina*, Rutgers, The State University of NJ
  (986-20-208)

Sunday April 13, 2003, 2:30 p.m.-5:00 p.m.
Special Session on Algebraic Geometry, Integrable Systems, and Gauge Theory, IV
Room 513, Courant Building
Organizers:
Marcos Jardim, University of Massachusetts, Amherst jardim@math.umass.edu
Eyal Markman, University of Massachusetts, Amherst markman@math.umass.edu
- 2:30 p.m.
  Supersymmetry and stability of A-branes.
  Bobby Acharya, Rutgers University
  Ron Donagi, University of Pennsylvania
  Tony Pantev*, University of Pennsylvania
  (986-14-195)
- 3:10 p.m.
  Instantonic calculus, equivariant cohomology and partition function of topological N=2 super Yang-Mills theory.
  Ugo Bruzzo*, International School for Advanced Studies
  (986-81-174)
- 3:50 p.m.
  Fourier-Mukai transform for noncommutative tori and mirror symmetry.
  Alexander Polishchuk*, Boston University
  (986-14-134)
- 4:30 p.m.
  Differential Isomorphism and Equivalence of Algebraic Varieties.
  Yuri Berest*, Cornell University
  George Wilson, Imperial College
  (986-14-213)

Sunday April 13, 2003, 2:30 p.m.-3:50 p.m.
Special Session on the History of Mathematics, IV
Room 414, Main Building
Organizers:
Patricia R. Allaire, Queensborough Community College, CUNY pallaire@qcc.cuny.edu
Robert E. Bradley, Adelphi University bradley@adelphi.edu
- 2:30 p.m.
  The Followers of Franklin.
  Paul C. Pasles*, Villanova University
  (986-01-44)
- 3:00 p.m.
  The Mathematics Curriculum At West Point: The First Hundred Years.
  V. Frederick Rickey, United States Military Academy
  Amy Shell-Gellasch*, United States Military Academy
  (986-01-38)
- 3:30 p.m.
  Mathematical Aspects of Franz Reuleaux Kinematic Model Collection.
  Daina Taimina*, Cornell University
  (986-01-177)

Sunday April 13, 2003, 2:30 p.m.-5:30 p.m.
Special Session on Rigidity in Dynamics, Geometry, and Group Theory, IV
Room 408, Main Building
Organizers:
David Fisher, CUNY, Herbert H. Lehman College dfisher@alpha.lehman.cuny.edu
Steven E. Hurder, University of Illinois at Chicago
Kevin M. Whyte, University of Illinois at Chicago
- 2:30 p.m.
  On spaces of higher spherical rank.
  Ralf J Spatzier*, University of Michigan
  (986-53-211)
- 3:00 p.m.
  The Properness Conjecture for 3-Dimensional Affine Actions.
  W. Goldman*, University of Maryland
  F. Labourie, University of Paris, Sud
  G. Margulis, Yale University
  (986-37-130)
- 3:30 p.m.
  Strong isospectrality for groups of Lorentzian transformations.
  Todd A. Drumm*, Swarthmore College
  Virginie Charette, University of Manitoba
  William M. Goldman, University of Maryland
  (986-51-73)
- 4:10 p.m.
  Coding of geodesics on modular surfaces.
  Svetlana Katok*, The Pennsylvania State University
  (986-20-222)
- 4:40 p.m.
  Cohomology of skew extensions of hyperbolic systems.
  Dmitry Dolgopyat*, University of Maryland
  (986-37-205)
- 5:10 p.m.
  Topological Models of Simple Siegel Polynomials.
  Gaofei Zhang*, The City University of New York
  (986-37-28)

Sunday April 13, 2003, 2:30 p.m.-3:50 p.m.
Special Session on Contact and Symplectic Geometry, IV
Room 411, Main Building
Organizers:
John B. Etnyre, University of Pennsylvania etnyre@math.upenn.edu
Joshua M. Sabloff, University of Pennsylvania sabloff@math.upenn.edu
- 2:30 p.m.
  Symplectomorphism groups of toric manifolds.
  Dusa McDuff*, Stony Brook University
  (986-53-138)
- 3:00 p.m.
  The Hofer-Zehnder capacity near symplectic submanifolds.
  Ely Kerman*, SUNY Stony Brook
  (986-37-154)
- 3:30 p.m.
  Locally conformal Dirac structures and infinitesimal automorphisms.
  Aissa Wade*, The Pennsylvania University
  (986-53-162)

Sunday April 13, 2003, 2:30 p.m.-5:40 p.m.
Special Session on Nonlinear Partial Differential Equations in Differential Geometry, IV
Room 405, Main Building
Organizers:
John C. Loftin, Columbia University loftin@math.columbia.edu
Mu-Tao Wang, Columbia University mtwang@math.columbia.edu
- 2:30 p.m.
  Alexandrov type inequalities for Cartan-Hadamard manifolds.
  Joel Spruck*, Johns Hopkins University
  (986-35-101)
- 3:10 p.m.
  The Local Isometric Embedding Problem for 2-Dimensional Riemannian Manifolds.
  Marcus A. Khuri*, University of Pennsylvania
  (986-35-172)
- 3:50 p.m.
  A glueing theorem for the Ginzburg-Landau equations in higher dimensions.
  Simon A Brendle*, Princeton University
  (986-53-76)
- 4:30 p.m.
  Almost Rigidity and Stability.
  Christina Sormani*, Lehman College, CUNY
  (986-58-189)
- 5:10 p.m.
  Mean Curvature Flows and Homotopy of Maps Between Spheres.
  Mao-Pei Tsui*, Columbia University
  (986-53-148)

Sunday April 13, 2003, 2:30 p.m.-4:10 p.m.
Special Session on Low-Dimensional Topology, IV
Room 810, Main Building
Organizers:
James Conant, Cornell University jconant@polygon.math.cornell.edu
Slava Krushkal, University of Virginia krushkal@virginia.edu
Rob Schneiderman, NYU-Courant Institute schneid@cims.nyu.edu
- 2:30 p.m.
  Nocyclic Covers of Knot Complements.
  Nathan D Broaddus*, Columbia University
  (986-57-131)
- 3:00 p.m.
  Straight lines intersecting a knot in four points.
  Ryan Budney*, Rochester
  Jim Conant, Cornell
  Kevin Scannell, New York NY
  Dev Sinha, New York NY
  (986-57-107)
- 3:30 p.m.
  Stabilization in the braid groups.
  Joan Birman*, Columbia University, Barnard College
  (986-57-132)

Sunday April 13, 2003, 2:45 p.m.-5:15 p.m.
Special Session on Algebraic and Topological Combinatorics, IV
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 2:45 p.m.
  Some remarks about locally-defined combinatorial invariants.
  Robin Forman*, Rice University
  (986-57-199)
- 3:25 p.m.
  Combinatorial-topological aspects of hyperbolic volume.
  Ruth Kellerhals*, University of Fribourg
  (986-52-147)
- 4:05 p.m.
  Spreads of non-singular pairs in symplectic vector spaces.
  Steven H. Weintraub*, Lehigh Univ.
  (986-52-20)
- 4:45 p.m.
  Cluster algebras and Poisson Geometry.
  Michael Shapiro*, Michigan State University
  Michael Gekhtman, University of Notre Dame
  Alek Vainshtein, University of Haifa
  (986-57-151)

Sunday April 13, 2003, 3:00 p.m.-4:20 p.m.
Special Session on Topological Aspects of Complex Singularities, IV
Room 401, Main Building
Organizers:
Sylvain E. Cappell, NYU-Courant Institute cappell@cims.nyu.edu
Walter D. Neumann, Barnard College, Columbia University neumann@math.columbia.edu
Agnes Szilard, Barnard College, Columbia University szilard@math.columbia.edu
- 3:00 p.m.
  Topological Invariants of Stratified Maps with Non-Witt Target.
  Markus Banagl*, University of Cincinnati
  (986-57-72)
- 3:30 p.m.
  Bifurcations in Gradient Systems with Symmetry.
  Christopher M. Herald*, University of Nevada, Reno
  (986-57-80)
- 4:00 p.m.
  Intersection Alexander Polynomials.
  Greg Friedman*, Yale University
  (986-57-78)

Inquiries: meet@ams.org

AMS Sectional Meeting Full Program

2003 Spring Eastern Sectional Meeting New York, NY, April 12-13, 2003 Meeting #986

Saturday April 12, 2003

Sunday April 13, 2003

2003 Spring Eastern Sectional Meeting
New York, NY, April 12-13, 2003
Meeting #986