AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:09:47
1998 Spring Southeastern Sectional Meeting
Louisville, KY, March 20-21, 1998
Meeting #931
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Special Session on Algebraic Combinatorics
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Friday March 20, 1998, 8:00 a.m.-10:50 a.m.
Special Session on Algebraic Combinatorics, I
Room 218A, Founder's Union Building
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu
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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)
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8:00 a.m.
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Friday March 20, 1998, 2:45 p.m.-6:05 p.m.
Special Session on Algebraic Combinatorics, II
Room 218A, Founder's Union Building
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu
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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)
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2:45 p.m.
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Saturday March 21, 1998, 8:00 a.m.-10:50 a.m.
Special Session on Algebraic Combinatorics, III
Room 255, Burhans Hall
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu
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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)
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8:00 a.m.
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Saturday March 21, 1998, 2:45 p.m.-6:05 p.m.
Special Session on Algebraic Combinatorics, IV
Room 255, Burhans Hall
Organizers:
Anders Bjorner, Royal Institute of Technology bjorner@math.kth.se
Michelle L. Wachs, University of Miami wachs@math.miami.edu
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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)
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2:45 p.m.