AMS Sectional Meeting Program by Special Session
Current as of Monday, October 30, 2006 00:36:37
2006 Fall Central Section Meeting
Cincinnati, OH, October 2122, 2006 (Saturday  Sunday)
Meeting #1020
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Geometric Combinatorics

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 CMconnectivity sequences.
Ed Swartz*, Cornell University
Isabella Novik, University of Washington
(102005199) 
10:00 a.m.
Realizations of generalized associahedra.
Carsten Lange*, FU Berlin
Christophe Hohlweg, The Fields Institute
Hugh Thomas, University of New Brunswick
(102052265) 
10:30 a.m.
Flag arrangements and triangulations of products of simplices.
Federico Ardila*, San Francisco State University
Sara Billey, University of Washington
(10200581) 
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
(102005141)

9:30 a.m.

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
(102052182) 
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
(10200585) 
4:00 p.m.
Gale and braxial polytopes.
Margaret M Bayer*, University of Kansas
Tibor Bisztriczky, University of Calgary
(102052211) 
4:30 p.m.
Moebius inversion and combinatorial curvature.
Jon McCammond*, University of California  Santa Barbara
(10200595)

3:00 p.m.

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
(102052189) 
10:00 a.m.
Generalized Degree Sequences.
Caroline J. Klivans*, University of Chicago
(102005181) 
10:30 a.m.
Inflating polyhedral surfaces.
Igor Pak*, M.I.T.
(102052168) 
11:00 a.m.
The ${\bf cd}$index of Gorenstein* lattices.
Richard Ehrenborg*, University of Kentucky
Kalle Karu, University of British Columbia
(102005216)

9:30 a.m.

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.
BrunnMinkowski inequalities for integer points in transportation polytopes.
Alexander Barvinok*, University of Michigan
(10200598) 
2:30 p.m.
Insideout polytopes.
Matthias Beck*, San Francisco State University
Thomas Zaslavsky, Binghamton University (SUNY)
(10200539) 
3:00 p.m.
A convex ear decomposition for the coloring complex.
Patricia Hersh*, Indiana UniversityBloomington
Ed Swartz, Cornell University
(102005100) 
3:30 p.m.
A simplicial matrixtree theorem.
Art M Duval, University of Texas at El Paso
Caroline Klivans, University of Chicago
Jeremy L Martin*, University of Kansas
(10200592)

2:00 p.m.