Schedule 
Special Session on Algebraic and Geometric Combinatorics,
2000 Fall AMS Western Regional Meeting
San Fransico, CA  21-22 October 2000.

Saturday Morning
 8:00 -  8:20 Francisco Santos,  "A point configuration whose space 
                 of triangulations is disconnected"
 8:30 -  8:50 Laura M Anderson,  "Categories of triangulations and 
                 classifying spaces"   
 9:00 -  9:20 Carl W Lee,  "Recovering Lexicographic Triangulations"
 9:30 -  9:50 Jörg Rambau,  "Circuit admissible triangulations of 
                 oriented matroids"
10:00 - 10:20 Gabor Hetyei,  "Flag numbers of generalized Eulerian posets"
10:30 - 10:50 Margaret M Bayer,  "The Combinatorics of Multiplices and 
                 Ordinary Polytopes"

Saturday Afternoon
 3:00 - 3:20 Victor Reiner,  "Convex, acyclic, and free sets of 
                 an oriented matroid"
 3:30 - 3:50 Isabella Novik,  "Syzygies of oriented matroids"
 4:00 - 4:20 Bernd Sturmfels, "Binomial Residues"
 4:30 - 4:50 Rekha R Thomas,  "Toric Initial Ideals without 
                 Embedded Primes"
 5:00 - 5:20 Serkan Hosten,   "Geometry and complexity of Groebner 
                 fans of codimension three lattice ideals"
 5:30 - 5:50 Mark D Haiman,  "Hilbert schemes and the $n!$ conjecture"

Sunday Morning
 8:30 -  8:50 Allen Knutson,  "Cohomology of Bott-Samelsons"
 9:00 -  9:20 Alexander Postnikov,  "Symmetries of Gromov-Witten 
                 invariants"
 9:30 -  9:50 Glenn Appleby,  "Invariant Factors for Matrices over 
                 Discrete Valuation Rings and the 
                 Littlewood-Richardson  Rule" 
10:00 - 10:20 Nantel Bergeron   "Shifted quasi-symmetric functions and 
                 the Hopf algebra of peak functions"
10:30 - 10:50 Tom Roby,  "Complementary Algorithms for Tableaux"

Sunday Afternoon
 3:00 - 3:20 Helen Barcelo,     "On counting permutations in S_n by 
                         pairs of congruence classes of major index"
 3:30 - 3:50 Patricia L Hersh,  "Properties of the quotient complex 
                 $Delta(B_{kn})/S_k\wr S_n$"
 4:00 - 4:20 Art Duval,  "Some surprising similarities between matroids  
                 and shifted simplicial complexes"
 4:30 - 4:50 Greg Kuperberg,  "Symmetry classes of alternating-sign 
                 matrices"
 5:00 - 5:20 Andrei Okounkov,  "Random trees and moduli of curves"
 5:30 - 5:50 Persi Diaconis,   "Factoring Uniform Distributions"