AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:21:28

2001 Spring Central Section Meeting
Lawrence, KS, March 30-31, 2001
Meeting #964

• Friday March 30, 2001, 9:00 a.m.-11:20 a.m.
  Special Session on Polytopes, I
  Room 335, Strong Hall
  Organizers:
  Margaret Bayer, University of Kansas bayer@math.ukans.edu
  Carl Lee, University of Kentucky lee@ms.uky.edu
  

  • 9:00 a.m.
    Counting faces in the extended Shi arrangement.
    Richard Ehrenborg*, University of Kentucky
    (964-05-46)
  • 9:30 a.m.
    Bases for the Flag f-Vectors of Eulerian Posets.
    Nathan P Reading*, University of Minnesota
    (964-05-25)
  • 10:00 a.m.
    Relating flag $f$-vector inequalities from the {\bf cd}-index and toric $g$-vector.
    Catherine Stenson*, Juniata College
    (964-52-199)
  • 10:30 a.m.
    Meaning and uses of the $\ell$-vector.
    G\'abor Hetyei*, UNC Charlotte
    (964-06-216)
  • 11:00 a.m.
    The Manin ring in string theory.
    Margaret A Readdy*, University of Kentucky
    (964-05-44)
• Friday March 30, 2001, 3:00 p.m.-5:50 p.m.
  Special Session on Polytopes, II
  Room 335, Strong Hall
  Organizers:
  Margaret Bayer, University of Kansas bayer@math.ukans.edu
  Carl Lee, University of Kentucky lee@ms.uky.edu
  

  • 3:00 p.m.
    Orthogonal Matroids.
    Andrew Vince, University of Florida
    Neil L White*, University of Florida
    (964-05-85)
  • 3:30 p.m.
    Recovering Lexicographic Triangulations from their $z$-vectors.
    Wendy A Weber*, Central College
    Carl W Lee, University of Kentucky
    (964-52-201)
  • 4:00 p.m.
    Permutahedra Relative to a Regular Polytope.
    Vincent J Matsko*, Quincy University
    (964-52-153)
  • 4:30 p.m.
    Discrete Morse functions from lexicographic orders.
    Eric K Babson, University of Washington
    Patricia L Hersh*, University of Washington
    (964-05-198)
  • 5:00 p.m.
    Alexander duality for projections of polytopes.
    Xun Dong*, University of Minnesota
    (964-52-14)
  • 5:30 p.m.
    Revisiting bicyclic 4-polytopes.
    Ted Bisztriczky*, University of Calgary
    (964-52-23)
• Saturday March 31, 2001, 9:00 a.m.-11:20 a.m.
  Special Session on Polytopes, III
  Room 335, Strong Hall
  Organizers:
  Margaret Bayer, University of Kansas bayer@math.ukans.edu
  Carl Lee, University of Kentucky lee@ms.uky.edu
  

  • 9:00 a.m.
    First-order and Convex Rigidity of Polyhedra in Euclidean, Spherical and Hyperbolic Spaces I.
    Franco V. Saliola, Cornell University
    Walter J. Whiteley*, York University
    (964-52-219)
  • 9:30 a.m.
    First-Order and Convex Rigidity of Polyhedra in Euclidean, Spherical and Hyperbolic Spaces II.
    Franco V Saliola*, Cornell University
    Walter J Whiteley, York University
    (964-52-212)
  • 10:00 a.m.
    Perfect Delaunay Polytopes for Lattices.
    Robert M Erdahl*, Queen's University
    (964-52-164)
  • 10:30 a.m.
    Edge maximal unit distance graphs in the plane.
    Brigitte Servatius*, Worcester Polytechnic Institute
    (964-05-235)
  • 11:00 a.m.
    Commensurate Delaunay Tilings of $\mathbb{Z}^n$ and Voronoi's Theory of L-types.
    Robert M Erdahl, Queen's University
    Konstantin Rybnikov*, Cornell University
    (964-52-240)
• Saturday March 31, 2001, 3:00 p.m.-5:20 p.m.
  Special Session on Polytopes, IV
  Room 335, Strong Hall
  Organizers:
  Margaret Bayer, University of Kansas bayer@math.ukans.edu
  Carl Lee, University of Kentucky lee@ms.uky.edu
  

  • 3:00 p.m.
    A positive semidefinite version of a simple polytope does not exist in some dimensions.
    Alexander Barvinok*, University of Michigan
    (964-52-118)
  • 3:30 p.m.
    Linear Programming with no Right Hand Side.
    Walter Morris*, George Mason University
    (964-90-196)
  • 4:00 p.m.
    Some results on the dominating set polytope.
    Teresa M Contenza*, University of Montevallo
    (964-52-149)
  • 4:30 p.m.
    Lattice points of Flow polytopes.
    Jesus A De Loera*, Univ. of California, Davis
    Bernd Sturmfels, Univ. of California, Berkeley
    (964-52-121)
  • 5:00 p.m.
    Toward Characterizing the Mutation Count Matrices.
    Jim Lawrence*, George Mason University
    (964-52-242)