AMS Sectional Meeting Program by Special Session

Current as of Monday, October 30, 2006 00:36:37

Associate secretaries:
Susan J Friedlander, AMS susan@math.northwestern.edu

Saturday October 21, 2006, 9:30 a.m.-11:20 a.m.
Special Session on Geometric Combinatorics, I
Room 720, Swift Hall
Organizers:
Ezra Miller, University of Minnesota ezra@math.umn.edu
Igor Pak, Massachusetts Institute of Technology pak@math.mit.edu
- 9:30 a.m.
  Face ring multiplicity via CM-connectivity sequences.
  Ed Swartz*, Cornell University
  Isabella Novik, University of Washington
  (1020-05-199)
- 10:00 a.m.
  Realizations of generalized associahedra.
  Carsten Lange*, FU Berlin
  Christophe Hohlweg, The Fields Institute
  Hugh Thomas, University of New Brunswick
  (1020-52-265)
- 10:30 a.m.
  Flag arrangements and triangulations of products of simplices.
  Federico Ardila*, San Francisco State University
  Sara Billey, University of Washington
  (1020-05-81)
- 11:00 a.m.
  The Discrete Fundamental Group of the Order Complex of $B_n$.
  Helene Barcelo*, Arizona State University
  Shelly Smith, Grand Valley State University
  (1020-05-141)

Saturday October 21, 2006, 3:00 p.m.-4:50 p.m.
Special Session on Geometric Combinatorics, II
Room 720, Swift Hall
Organizers:
Ezra Miller, University of Minnesota ezra@math.umn.edu
Igor Pak, Massachusetts Institute of Technology pak@math.mit.edu
- 3:00 p.m.
  Adornments and expanding flowers.
  Robert Connelly*, Cornell University
  Erik D. Demaine, MIT
  Martin L. Demaine, MIT
  S\'andor P. Fekete, TU Braunschweig
  Stefan Langerman, Univrsit\'e Libre de Bruxelles
  Joseph S. B. Mitchell, Stony Brook University
  Ares Rib\'o, Freie Universit\"at Berlin
  G\"unter Rote, Freie Universit\"at Berlin
  (1020-52-182)
- 3:30 p.m.
  Heat flow and a faster algorithm to compute the surface area of a convex body.
  Mikhail Belkin*, The Ohio State University, Department of Computer Science and Engineering
  Hariharan Narayanan, The University of Chicago, Department of Computer Science
  Partha Niyogi, The University of Chicago, Department of Computer Science
  (1020-05-85)
- 4:00 p.m.
  Gale and braxial polytopes.
  Margaret M Bayer*, University of Kansas
  Tibor Bisztriczky, University of Calgary
  (1020-52-211)
- 4:30 p.m.
  Moebius inversion and combinatorial curvature.
  Jon McCammond*, University of California - Santa Barbara
  (1020-05-95)

Sunday October 22, 2006, 9:30 a.m.-11:20 a.m.
Special Session on Geometric Combinatorics, III
Room 720, Swift Hall
Organizers:
Ezra Miller, University of Minnesota ezra@math.umn.edu
Igor Pak, Massachusetts Institute of Technology pak@math.mit.edu
- 9:30 a.m.
  Properties of the $\gamma$-vector, an angle analog of the $h$-vector.
  Kristin A Camenga*, Houghton College
  (1020-52-189)
- 10:00 a.m.
  Generalized Degree Sequences.
  Caroline J. Klivans*, University of Chicago
  (1020-05-181)
- 10:30 a.m.
  Inflating polyhedral surfaces.
  Igor Pak*, M.I.T.
  (1020-52-168)
- 11:00 a.m.
  The ${\bf cd}$-index of Gorenstein* lattices.
  Richard Ehrenborg*, University of Kentucky
  Kalle Karu, University of British Columbia
  (1020-05-216)

Sunday October 22, 2006, 2:00 p.m.-3:50 p.m.
Special Session on Geometric Combinatorics, IV
Room 720, Swift Hall
Organizers:
Ezra Miller, University of Minnesota ezra@math.umn.edu
Igor Pak, Massachusetts Institute of Technology pak@math.mit.edu
- 2:00 p.m.
  Brunn-Minkowski inequalities for integer points in transportation polytopes.
  Alexander Barvinok*, University of Michigan
  (1020-05-98)
- 2:30 p.m.
  Inside-out polytopes.
  Matthias Beck*, San Francisco State University
  Thomas Zaslavsky, Binghamton University (SUNY)
  (1020-05-39)
- 3:00 p.m.
  A convex ear decomposition for the coloring complex.
  Patricia Hersh*, Indiana University--Bloomington
  Ed Swartz, Cornell University
  (1020-05-100)
- 3:30 p.m.
  A simplicial matrix-tree theorem.
  Art M Duval, University of Texas at El Paso
  Caroline Klivans, University of Chicago
  Jeremy L Martin*, University of Kansas
  (1020-05-92)

Inquiries: meet@ams.org