AMS Sectional Meeting Program by Special Session

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

Associate secretaries:
Bernard Russo, AMS brusso@math.uci.edu

Saturday October 21, 2000, 8:00 a.m.-10:50 a.m.
Special Session on Algebraic and Geometric Combinatorics, I
Room 310, HSS Building
Organizers:
Jesus De Loera, University of California, Davis deloera@math.ucdavis.edu
Frank Sottile, University of Wisconsin sottile@math.umass.edu
- 8:00 a.m.
  A point configuration whose space of triangulations is disconnected.
  Francisco Santos*, University of Cantabria, SPAIN
  (958-52-215)
- 8:30 a.m.
  Categories of triangulations and classifying spaces.
  Laura M. Anderson*, Texas A\&M University
  Nikolai Y. Mn\"ev, Steklov Institute-St. Petersburg
  (958-05-220)
- 9:00 a.m.
  Recovering Lexicographic Triangulations.
  Carl W Lee*, University of Kentucky
  Wendy Weber, Central College
  (958-52-173)
- 9:30 a.m.
  Circuit admissible triangulations of oriented matroids.
  J\"org Rambau*, Konrad-Zuse-Zentrum f\"ur Informationstechnik Berlin
  (958-05-216)
- 10:00 a.m.
  Flag numbers of generalized Eulerian posets.
  Margaret M Bayer, University of Kansas
  Gabor Hetyei*, UNC Charlotte
  (958-05-270)
- 10:30 a.m.
  The Combinatorics of Multiplices and Ordinary Polytopes.
  Margaret M Bayer*, University of Kansas
  Aaron M Bruening, University of Kansas
  Joshua Stewart, University of Kansas
  (958-52-175)

Saturday October 21, 2000, 3:00 p.m.-5:50 p.m.
Special Session on Algebraic and Geometric Combinatorics, II
Room 310, HSS Building
Organizers:
Jesus De Loera, University of California, Davis deloera@math.ucdavis.edu
Frank Sottile, University of Wisconsin sottile@math.umass.edu
- 3:00 p.m.
  Convex, acyclic, and free sets of an oriented matroid.
  Paul H Edelman, Univ. of Minnesota
  Victor Reiner*, University of Minnesota
  Volkmar Welker, Universitaat Marburg
  (958-05-59)
- 3:30 p.m.
  Syzygies of oriented matroids.
  Isabella Novik*, UC Berkeley
  Alexander Postnikov, UC Berkeley
  Bernd Sturmfels, UC Berkeley
  (958-05-111)
- 4:00 p.m.
  Binomial Residues.
  Bernd Sturmfels*, UC Berkeley
  Eduardo Cattani, University of Massachusetts, Amherst
  Alicia Dickenstein, Universidad de Buenos Aires, Argentina
  (958-05-67)
- 4:30 p.m.
  Toric Initial Ideals without Embedded Primes.
  Rekha R Thomas*, University of Washington
  Serkan Hosten, San Fransisco State University
  (958-13-137)
- 5:00 p.m.
  Geometry and complexity of Groebner fans of codimension three lattice ideals.
  Serkan Hosten*, San Francisco State University
  Diane Maclagan, Institute for Advanced Studies
  Bernd Sturmfels, UC Berkeley
  (958-52-280)
- 5:30 p.m.
  Hilbert schemes and the $n!$ conjecture.
  Mark D Haiman*, U.C. San Diego
  (958-05-106)

Sunday October 22, 2000, 8:30 a.m.-10:50 a.m.
Special Session on Algebraic and Geometric Combinatorics, III
Room 310, HSS Building
Organizers:
Jesus De Loera, University of California, Davis deloera@math.ucdavis.edu
Frank Sottile, University of Wisconsin sottile@math.umass.edu
- 8:30 a.m.
  Cohomology of Bott-Samelsons.
  Allen I Knutson*, U.C. Berkeley
  Rebecca F Goldin, U. of Maryland
  (958-05-288)
- 9:00 a.m.
  Symmetries of Gromov-Witten invariants.
  Alexander Postnikov*, UC Berkeley
  (958-05-179)
- 9:30 a.m.
  Invariant Factors for Matrices over Discrete Valuation Rings and the Littlewood-Richardson Rule.
  Glenn Appleby*, Santa Clara University
  (958-05-227)
- 10:00 a.m.
  Shifted quasi-symmetric functions and the Hopf algebra of peak functions.
  Nantel Bergeron*, York University, Toronto
  Stephan Mykytiuk, York University, Toronto
  Frank J Sottile, University of Massachusetts, Amherst
  Stephanie van Willigenburg, Cornell University
  (958-05-279)
- 10:30 a.m.
  Complementary Algorithms for Tableaux.
  Tom Roby*, Cal State Hayward
  Frank Sottile, University of Massachusetts
  Julian West, University of Victoria
  Jeff Stroomer, Xilinx, Inc.
  (958-05-131)

Sunday October 22, 2000, 3:00 p.m.-5:50 p.m.
Special Session on Algebraic and Geometric Combinatorics, IV
Room 310, HSS Building
Organizers:
Jesus De Loera, University of California, Davis deloera@math.ucdavis.edu
Frank Sottile, University of Wisconsin sottile@math.umass.edu
- 3:00 p.m.
  On counting permutations in $S_n$ by pairs of congruence classes of major index.
  H\'el\`ene Barcelo*, Arizona State University
  Robert Maule, Arizona State University
  Sheila Sundaram, Wesleyan University
  (958-05-299)
- 3:30 p.m.
  Properties of the quotient complex $Delta(B_{kn})/S_k\wr S_n$.
  Patricia L Hersh*, University of Washington
  (958-05-135)
- 4:00 p.m.
  Some surprising similarities between matroids and shifted simplicial complexes.
  Art Duval*, University of Texas at El Paso
  (958-05-134)
- 4:30 p.m.
  Symmetry classes of alternating-sign matrices.
  Greg Kuperberg*, UC Davis
  (958-05-162)
- 5:00 p.m.
  Random trees and moduli of curves.
  Andrei Okounkov*, UC Berkeley
  (958-05-192)
- 5:30 p.m.
  Factoring Uniform Distributions.
  Persi Diaconis*, Stanford University
  Colin Mallows, AT&T Laboratories
  (958-05-57)

Inquiries: meet@ams.org