Today, November 30^{th}, is AMS Day! Join our celebration of AMS members and explore special offers on AMS publications, membership and more. Offers end 11:59pm EST.
8:00 a.m. Counting faces of cubical spheres. Eric K Babson*, Intitute for Advanced Study
(931-05-335)
8:30 a.m. Fiber polytopes for the projections between cyclic polytopes. Christos A Athanasiadis*, University of Pennsylvania
Jesu's A De Loera, The Geometry Center and University of Minnesota
Victor Reiner, University of Minnesota
Francisco Santos, University of Cantabria
(931-05-126)
9:00 a.m. A type B associahedron. Rodica Simion*, The George Washington University
(931-05-340)
9:30 a.m. Weights on Almost-Simple Polytopes. Susan Foege, University of Kentucky
Carl W. Lee*, University of Kentucky
(931-52-271)
10:00 a.m. An Upper Bound Theorem for Rational Polytopes. Margaret M Bayer*, University of Kansas
(931-52-297)
10:30 a.m. Rational function identities for posets and integer polyhedra. Curtis Greene*, Haverford College, Haverford PA
(931-05-350)
2:45 p.m. Algebraic shifting increases relative homology. Art Duval*, University of Texas at El Paso
(931-05-239)
3:15 p.m. Group actions on posets. Dmitry Kozlov*, MIT
(931-05-346)
3:45 p.m. EL-shellability of rank-selected posets. Larry Liu, Michigan State University
Bruce E Sagan*, Michigan State University
(931-06-311)
4:15 p.m. Homology of monomial ideals and order dimension of lattices. Irena Peeva, MIT
Vic Reiner, University of Minnesota
Volkmar Welker*, Universitaet Essen
(931-05-109)
4:45 p.m. Combinatorial Laplacians of matroid complexes . Woong Kook, Univ. of Minnesota
Victor Reiner*, Univ. of Minnesota
Dennis Stanton, Univ. of Minnesota
(931-05-33)
5:15 p.m. A convolution formula for the Tutte polynomial. Woong Kook, Univ. of Minnesota
Victor Reiner, Univ. of Minnesota
Dennis Stanton*, Univ. of Minnesota
(931-05-34)
5:45 p.m. Flag Matroids. Alexandre V. Borovik, UMIST
Israel M. Gelfand, Rutgers University
Neil L. White*, University of Florida
(931-05-50)
8:00 a.m. Partitions with block size bounded above, and partitions with one forbidden block size: Homotopy and Homology. Sheila Sundaram*, Wesleyan University
(931-05-321)
8:30 a.m. On the Smith Normal Form of the Varchenko matrices. Phil Hanlon*, Univ. of Michigan
Graham Denham, Univ. of Michigan
(931-05-100)
9:00 a.m. Combinatorics of the cyclic Lie character. H\'el\`ene Barcelo*, ASU
Volkmar Welker, Universit\"at GH-Essen
(931-05-332)
9:30 a.m. Discrete Morse Theory for Graph Complexes. John Shareshian*, California Institute of Technology
(931-05-185)
10:00 a.m. Cohomology of Dowling Lattices and Lie Superalgebras. Eric Gottlieb*, University of Miami
Michelle L Wachs, University of Miami
(931-05-282)
10:30 a.m. Polynomial time algorithms to approximate permanents of non-negative matrices . Alexander Barvinok*, University of Michigan
(931-05-244)
2:45 p.m. Mixed Bruhat operators. Sergey Fomin*, M.I.T.
Francesco Brenti, University of Rome
(931-05-330)
3:15 p.m. The partial order of dominant weights. John R Stembridge*, University of Michigan, Ann Arbor, MI
(931-05-71)
3:45 p.m. Pattern Avoidance and Rational Smoothness of Schubert Varieties. Sara C. Billey*, MIT
(931-05-127)
4:15 p.m. What does skew-symmetric functions, $F_w$ Stanley symmetric functions, skew-Schubert functions all have in common? Nantel Bergeron*, York University
Frank Sottile, University of Toronto
(931-05-116)
4:45 p.m. A Recursion for Charge on Words. Kendra Killpatrick, University of Minnesota
Dennis E White*, University of Minnesota
(931-05-51)
5:15 p.m. Antiautomorphisms of subgroup lattices and involutions on tabloids. Noel Watson, The Wharton School of the University of Pennsylvania
Lynne Butler*, Haverford College
Curtis Greene, Haverford College
(931-05-339)
5:45 p.m. Some remarkable families of multiple regular representations of $S_n$ . Francois Bergeron, L'Universit\'e du Qu\'ebec \`a Montr\'eal
Adriano M Garsia*, University of California, San Diego
Glenn P Tesler, University of California, San Diego
(931-05-253)