AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:10:01

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

Saturday October 2, 1999, 8:30 a.m.-10:50 a.m.
Special Session on Algebraic and Geometric Combinatorics
Room 317, Harkins Hall
Organizers:
Vesselin N. Gasharov, Cornell University vesko@math.cornell.edu
Ira M. Gessel, Brandeis University gessel@math.brandeis.edu
- 8:30 a.m.
  On the Varchenko bilinear form associated to a hyperplane arrangement.
  Benjamin S Joseph*, MIT
  (947-05-165)
- 9:00 a.m.
  Kazhdan-Lusztig and $R$-polynomials, Young's lattice, and Catalan partitions.
  Francesco Brenti*, Universita' di Roma "Tor Vergata"
  (947-05-88)
- 9:30 a.m.
  Compressed polytopes.
  Takayuki Hibi*, Osaka University
  (947-52-87)
- 10:00 a.m.
  Generalized riffle shuffles and quasisymmetric functions.
  Richard P. Stanley*, M.I.T.
  (947-05-47)
- 10:30 a.m.
  The coset poset and the probabilistic zeta function of a finite group.
  Kenneth S. Brown*, Cornell University
  (947-20-65)

Saturday October 2, 1999, 2:30 p.m.-6:20 p.m.
Special Session on Algebraic and Geometric Combinatorics
Room 317, Harkins Hall
Organizers:
Vesselin N. Gasharov, Cornell University vesko@math.cornell.edu
Ira M. Gessel, Brandeis University gessel@math.brandeis.edu
- 2:30 p.m.
  Minuscule elements of Weyl groups.
  John R Stembridge*, University of Michigan
  (947-05-90)
- 3:00 p.m.
  Dumont's statistic on words.
  Mark A. Skandera*, MIT
  (947-05-81)
- 3:30 p.m.
  Spaces of trees.
  Louis J Billera, Cornell University
  Susan Holmes, Stanford University
  Karen Vogtmann*, Cornell University
  (947-05-98)
- 4:00 p.m.
  Unimodality and Association Schemes.
  John S Caughman, IV, Michigan State University
  Bruce E Sagan*, Michigan State University
  (947-05-62)
- 4:30 p.m.
  A new interpretation for the Tutte polynomial.
  Victor S. Reiner*, Univ. of Minnesota
  (947-05-06)
- 5:00 p.m.
  A new combinatorial invariant for geometric lattices.
  H/'el\`ene Barcelo*, Arizona Sate University
  Reinhard Laubenbacher, New Mexico State University
  (947-05-84)
- 5:30 p.m.
  Triangulations and Ehrhart Polynomials of Polytopes Associated with Root Systems.
  Wungkum Fong*, Massachusetts Institute of Technology
  (947-05-86)
- 6:00 p.m.
  Iterated Homology and Decompositions of Simplicial Complexes.
  Art Duval*, University of Texas at El Paso
  Ping Zhang, Western Michigan University
  (947-05-129)

Sunday October 3, 1999, 8:30 a.m.-10:50 a.m.
Special Session on Algebraic and Geometric Combinatorics
Room 317, Harkins Hall
Organizers:
Vesselin N. Gasharov, Cornell University vesko@math.cornell.edu
Ira M. Gessel, Brandeis University gessel@math.brandeis.edu
- 8:00 a.m.
  The Frobenius Coin Exchange Problem and rational polytopes.
  Matthias Beck, Temple University
  Ricardo Diaz, University of Northern Colorado
  Sinai Robins*, Temple University
  (947-05-163)
- 8:30 a.m.
  Lexicographic Shellability for Balanced Boolean Cell Complexes.
  Patricia L Hersh*, University of Washington
  (947-05-91)
- 9:00 a.m.
  Discrete Morse Complexes.
  Manoj Chari, Louisiana State University/TU-Berlin
  Michael Joswig, TU-Berlin
  Volkmar Welker*, Universitaet Marburg
  (947-05-120)
- 9:30 a.m.
  Enumerative invariants of convex polytopes.
  Louis J Billera*, Cornell University
  Catherine Stenson, Cornell University
  (947-52-140)
- 10:00 a.m.
  Sign-balanced posets and spin-balanced domino tableaux.
  Dennis E White*, University of Minnesota
  (947-05-75)
- 10:30 a.m.
  Generalized Littlewood-Richardson coefficients, canonical bases and totally positive varieties.
  Arkady Berenstein, Cornell University
  Andrei Zelevinsky*, Northeastern University
  (947-14-97)

Inquiries: meet@ams.org