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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:08:56

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1992 Spring Central Section Meeting
Springfield, MO, March 20-21, 1992
Meeting #873

Associate secretaries:
Andy R Magid, AMS

Special Session on Combinatorics and Discrete Geometry

  • Friday March 20, 1992, 9:00 a.m.-10:50 a.m.
    Special Session on Combinatorics and Discrete Geometry, I

    Room 230, Glass Hall

    • 9:00 a.m.
      Relations of various conjectures on latin squares and straightening coefficients.
      Rosa Q. Huang*, University of Michigan, Ann Arbor
    • 9:30 a.m.
      Convexity conjectures concerning Gaussian coefficients.
      Kathy M. O'Hara*, University of Iowa
      Dennis Stanton, University of Minnesota, Minneapolis
    • 10:00 a.m.
      Characteristic polynomials of hyperplane arrangements interpolating between root systems.
      Tadeusz J\'ozefiak, Michigan State University
      Bruce E. Sagan*, Michigan State University
    • 10:30 a.m.
      Connections between fundamental bases of the homology of the partition lattice and the free Lie algebra.
      Sheila Sundaram, University of Miami
      Michelle L. Wachs*, University of Miami
  • Friday March 20, 1992, 3:00 p.m.-5:50 p.m.
    Special Session on Combinatorics and Discrete Geometry, II

    Room 230, Glass Hall

    • 3:00 p.m.
      An algebraic characterization of planar graphs.
      Dan Archdeacon*, University of Vermont
      C. H. C. Little, Massey University, New Zealand
      P. Bonnington, University of Waikato, New Zealand
    • 3:30 p.m.
      On Hamilton cycles in connected vertex transitive graphs.
      Henry H. Glover*, Ohio State University, Columbus
    • 4:00 p.m.
      Functions that bound the number of edges in a graph.
      Ruth Haas*, Smith College
      Michael O. Albertson, Smith College
    • 4:30 p.m.
      Embedding graphs in disjunctive products of lines.
      Robert E. Jamison*, Clemson University
      Selma Strahringer, Technological Hochschule Darmstadt, Germany
    • 5:00 p.m.
      Pseudospherical crossing numbers.
      Jim Lawrence*, George Mason University
    • 5:30 p.m.
      On the average genus of graphs.
      Saul Stahl*, University of Kansas
  • Saturday March 21, 1992, 8:00 a.m.-10:50 a.m.
    Special Session on Combinatorics and Discrete Geometry, III

    Room 230, Glass Hall

    • 8:00 a.m.
      Placing the d-cube in Lexicographic order.
      Fariba Bigdeli*, Kentucky State University
    • 8:30 a.m.
      A combinatorial decomposition of simplicial complexes.
      Art Duval*, University of Texas, El Paso
    • 9:00 a.m.
      H-shellings and h-complexes.
      Paul H. Edelman*, University of Minnesota, Minneapolis
      Victor Reiner, University of Minnesota, Minneapolis
    • 9:30 a.m.
      Convex polytopes and stress.
      Carl W. Lee*, University of Kentucky
    • 10:00 a.m.
      Lemke paths on simple polytopes.
      Walter D. Morris, Jr.*, George Mason University
    • 10:30 a.m.
      Combinatorial conditions for freeness of modules of piecewise polynomials.
      Lauren L. Rose*, Wellesley College
  • Saturday March 21, 1992, 3:00 p.m.-5:20 p.m.
    Special Session on Combinatorics and Discrete Geometry, IV

    Room 230, Glass Hall

    • 3:00 p.m.
      Perfect matchings and perfect squares.
      William Jockusch*, Massachusetts Institute of Technology
    • 3:30 p.m.
      Combinatorial triality.
      Jon Phillips*, Iowa State University
    • 4:00 p.m.
      Transversals for polytopes.
      N. Prabhu*, Purdue University, West Lafayette
    • 4:30 p.m.
      A class of Greedoids derived from matroids.
      Mark Purtill*, Institute for Defense Analysis and Communications Research Division, New Jersey
    • 5:00 p.m.
      Veldkamp spaces.
      Ernest E. Shult*, Kansas State University