# Colloquium 2003

The colloquium typically meets Mondays at 4:00 PM in Room 617 on the sixth floor of Wachman Hall.

The colloquium is preceded by tea starting at 3:30 in the Faculty Lounge, adjacent to Room 617. Click on title for abstract.

• Monday February 3, 2003 at 16:00, Wachman 617

Nicholas Hanges, Lehman College, New York, Analytic regularity for degenerate elliptic operators

• Wednesday February 5, 2003 at 16:00, Wachman 617

-Note different day- Herschel Farkas, Hebrew University of Jerusalem, Jacobi and Beyond

• Monday February 10, 2003 at 16:00, Wachman 617

Semyon Alesker, University of Chicago and Tel-Aviv University, Valuations, integral geometry, and representation theory

• Monday February 24, 2003 at 16:00, Wachman 617

Bruce Kleiner, University of Michigan, Quasiconformal geometry in metric spaces, and the asymptotic geometry of negatively curved manifolds

• Monday March 24, 2003 at 16:00, Wachman 617

Richard Gardner, Western Washington University, Reconstruction from brightness functions

• Monday March 31, 2003 at 13:30, Wachman 527

-Note different time and location- Matthias Beck, Binghamton University (SUNY), Graph coloring, magic squares, and inside-out polytopes

• Monday April 7, 2003 at 16:00, Wachman 617

Special Event: Sheila Tobias, Issues in Undergraduate Mathematics

• Monday April 14, 2003 at 14:30, Wachman 617

-Note earlier time- Ermanno Lanconelli, University of Bologna, Strong comparison principles and a symmetry result for fully non-linear equations related to pseudo-convexity

• Monday April 14, 2003 at 16:00, Wachman 617

Gene Golub, Stanford University, Shape From Moments

• Monday April 21, 2003 at 16:00, Wachman 617

Carlos Berenstein, University of Maryland, Internet tomography

• Monday May 5, 2003 at 16:00, Wachman 617

Steve Izen, Case Western Reserve University, Multichannel sampling and the third generation undersampling problem in fan-beam tomography

• Wednesday May 7, 2003 at 16:00, Wachman 617

-Note different day- Zoran Markovic, Institute of Mathematics: Serbian Academy of Sciences and Arts, A new approach to probability logic with complete axiomatization

• Monday May 12, 2003 at 16:00, Wachman 617

Robert Guralnick, University of Southern California, Low Dimensional Representations of Finite Groups

• Monday September 15, 2003 at 16:00, Wachman 617

Jonathan Weitsman, University of California, Santa Cruz, Lattice polytopes, Euler Maclaurin formulas, and Geometric Quantization

• Wednesday September 17, 2003 at 16:00, Wachman 617

-Note different day- Robert P. Lipton, Louisian State University, Multi-Scale Stress Analysis for Composite Media

• Wednesday September 24, 2003 at 16:00, Wachman 617

-Note different day- Thomas Krainer, Potsdam University, Germany, The parametrix method in parabolic partial differential equations

• Monday September 29, 2003 at 16:00, Wachman 617

Antonio Sa Barreto, Purdue University, Radiation Fields, Scattering, and Inverse Scattering

• Wednesday October 8, 2003 at 16:00, Wachman 617

-Note different day- Qi Wang, Florida State University, Dynamics of sheared nematic liquid crystalline polymers

• Monday October 13, 2003 at 16:00, Wachman 617

B.-W. Schulze, Potsdam University, Germany, Boundary value problems on manifolds with edges and applications to mixed and crack problems

• Monday November 3, 2003 at 16:00, Wachman 617

Loukas Grafakos, University of Missouri, Columbia, Calderon's program and the role of the bilinear Hilbert transforms

• Monday November 10, 2003 at 16:00, Wachman 617

Yanyan Li, Rutgers University, Liouville type theorems for some conformally invariant fully nonlinear equations

• Monday November 17, 2003 at 16:00, Wachman 617

Diane Maclagan, Stanford, Toric Hilbert schemes

• Wednesday November 19, 2003 at 16:00, Wachman 617

-Note different day- Patricia Hersh, University of Michigan, A $GL_n(q)$-analogue of the partition lattice

• Monday November 24, 2003 at 16:00, Wachman 617

Eugene Gutkin, Penn State and ETH-Zurich, Billiards and Security

• Monday December 1, 2003 at 16:00, Wachman 617

Walter Stromquist, Swarthmore College, Packing densities of permutations