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)
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)
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)
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)
