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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:09:47


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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

  • 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

    • 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)
  • 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

    • 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)
  • 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

    • 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)
  • 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

    • 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)
Inquiries:  meet@ams.org