
AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:21:30
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2001 Fall Eastern Section Meeting
Williamstown, MA, October 1314, 2001
Meeting #971
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Special Session on Algebraic and Topological Combinatorics

Saturday October 13, 2001, 8:30 a.m.10:20 a.m.
Special Session on Algebraic and Topological Combinatorics, I
Room 105, Clark Hall Organizers: Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

8:30 a.m.
Combinatorics of complex line arrangements with essential jumping loci.
Sergey Yuzvinsky*, University of Oregon, Eugene
(9710549)

9:00 a.m.
Lower central series and free resolutions of arrangements.
Henry K. Schenck, Texas A&M University
Alexander I. Suciu*, Northeastern University
(9711678)

9:30 a.m.
Algebras generated by reciprocals of linear forms.
Hiroaki Terao*, Tokyo Metropolitan University
(97105178)

10:00 a.m.
Tutte Polynomials of Hyperplane Arrangements.
Federico Ardila*, M.I.T.
(97105191)

Saturday October 13, 2001, 2:30 p.m.5:50 p.m.
Special Session on Algebraic and Topological Combinatorics, II
Room 105, Clark Hall Organizers: Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

2:30 p.m.
Free probability for combinatorialists.
Richard P Stanley*, M.I.T.
(9710568)

4:00 p.m.
Quasisymmetric functions and Eulerian enumeration.
Louis J Billera*, Cornell University
Samuel K Hsiao, Cornell University
Stephanie van Willigenburg, Cornell University
(9710589)

4:30 p.m.
Variations of hyperoctahedral descent algebras.
Ira M Gessel*, Brandeis University
(9710559)

5:00 p.m.
Lower bounds for KazhdanLusztig polynomials from patterns.
Sara Billey, MIT
Tom Braden*, University of Massachusetts, Amherst
(97105144)

5:30 p.m.
Pkernels, IC bases, and KazhdanLusztig polynomials.
Francesco Brenti*, Universita' di Roma "Tor Vergata"
(97105182)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Algebraic and Topological Combinatorics, III
Room 105, Clark Hall Organizers: Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

8:30 a.m.
Recent progress in the topology of simplicial complexes.
Victor S Reiner*, University of Minnesota
(9710594)

9:30 a.m.
Multiplicity of the trivial representation in rankselected homology of the partition lattice.
Philip Hanlon, University of Michigan
Patricia Hersh*, University of Michigan
(9710547)

10:00 a.m.
The Distribution of Values in The Quadratic Assignment Problem.
Tamon Stephen*, University of Michigan
(97190124)

10:30 a.m.
A Geometric Classification of Trapezoid Orders.
Kenneth P Bogart*, Dartmouth College
(97106162)

Sunday October 14, 2001, 2:30 p.m.5:20 p.m.
Special Session on Algebraic and Topological Combinatorics, IV
Room 105, Clark Hall Organizers: Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

2:30 p.m.
A $B_n$analogue of the chessboard complex.
Michelle L Wachs*, University of Miami
(97105203)

3:00 p.m.
The probabalistic zeta function and coset poset of a finite group.
John Shareshian*, Washington Univeristy, St. Louis
(97105136)

3:30 p.m.
The matroid Grassmannian is homotopy equivalent to the real Grassmannian.
Daniel K Biss*, MIT
(9715292)

4:00 p.m.
Webs in Grassmann Cells.
Alexander Postnikov*, MIT, Dept. Math
(97105142)

4:30 p.m.
Moduli spaces and the LittlewoodRichardson cone.
Eric K Babson, University of Washington
Paul E Gunnells*, Rutgers University
(97114188)

5:00 p.m.
Poset bundles.
Laura M Anderson*, SUNY at Binghamton
Eric K Babson, University of Washington
(97105183)
Inquiries: meet@ams.org

