AMS Sectional Meeting Program by Special Session

Current as of Sunday, May 3, 2009 00:21:11

2009 Spring Western Section Meeting
San Francisco, CA, April 25-26, 2009 (Saturday - Sunday)
Meeting #1049

• Saturday April 25, 2009, 8:00 a.m.-10:50 a.m.
  Special Session on Matroids in Algebra and Geometry, I
  Room 113, Hensill Hall
  Organizers:
  Federico Ardila, San Francisco State University federico@math.sfsu.edu
  Lauren Williams, Harvard University lauren@math.harvard.edu
  

  • 8:00 a.m.
    How to draw a tropical plane.
    Sven Hermann, Technical University Darmstadt, Germany
    Anders Jensen, University of Gottingen, Germany
    Michael Joswig, Technical University Darmstadt, Germany
    Bernd Sturmfels*, University of California at Berkeley
    (1049-05-18)
  • 9:00 a.m.
    Cellular resolutions of monomial ideals from coarse tropical type decompositions.
    Anton Dochtermann*, TU Berlin
    Michael Joswig, TU Darmstadt
    Raman Sanyal, UC Berkeley
    (1049-05-179)
  • 10:00 a.m.
    Valuations for matroid polytope subdivisions.
    Federico Ardila, San Francisco State University
    Alex Fink, University of California, Berkeley
    Felipe Rincon*, University of California, Berkeley
    (1049-05-112)
  • 10:30 a.m.
    Universality for valuations of matroid polytope subdivisions.
    Alex R Fink*, UC Berkeley
    (1049-05-116)
• Saturday April 25, 2009, 3:00 p.m.-5:40 p.m.
  Special Session on Matroids in Algebra and Geometry, II
  Room 113, Hensill Hall
  Organizers:
  Federico Ardila, San Francisco State University federico@math.sfsu.edu
  Lauren Williams, Harvard University lauren@math.harvard.edu
  

  • 3:00 p.m.
    Gale duality and Koszul duality.
    Tom Braden, University of Massachusetts
    Anthony Licata, Stanford University
    Nicholas Proudfoot*, University of Oregon
    Ben Webster, Massachusetts Institute of Technology
    (1049-16-71)
  • 4:00 p.m.
    Random Walks and Hyperplane Arrangements.
    Persi Diaconis*, Stanford University, Departments of Mathematics & Statistics
    (1049-05-29)
  • 5:00 p.m.
    Zonotopal combinatorics.
    Olga Holtz*, UC Berkeley and TU Berlin
    Amos Ron, UW Madison
    (1049-05-195)
• Sunday April 26, 2009, 8:00 a.m.-10:50 a.m.
  Special Session on Matroids in Algebra and Geometry, III
  Room 113, Hensill Hall
  Organizers:
  Federico Ardila, San Francisco State University federico@math.sfsu.edu
  Lauren Williams, Harvard University lauren@math.harvard.edu
  

  • 8:00 a.m.
    Discussion
  • 9:00 a.m.
    Quasisymmetric functions and decomposability of matroid polytopes.
    Kurt W. Luoto*, University of Washington, Seattle, WA
    (1049-05-49)
  • 9:30 a.m.
    Oriented Matroids and the Geometry of Visibility.
    R Basri, Weizmann Institute
    P Felzenszwalb, University of Chicago
    R Girshick, University of Chicago
    D Jacobs, University of Maryland
    C Klivans*, University of Chicago
    (1049-05-151)
  • 10:30 a.m.
    Tensors, Products, and Tutte Polynomials.
    Andrew Berget*, University of Minnesota
    (1049-05-93)
• Sunday April 26, 2009, 3:00 p.m.-5:40 p.m.
  Special Session on Matroids in Algebra and Geometry, IV
  Room 113, Hensill Hall
  Organizers:
  Federico Ardila, San Francisco State University federico@math.sfsu.edu
  Lauren Williams, Harvard University lauren@math.harvard.edu
  

  • 3:00 p.m.
    The Hopf monoid of generalized permutahedra.
    Marcelo Aguiar*, Texas A&M University
    Federico Ardila, San Francisco State University
    (1049-05-92)
  • 4:00 p.m.
    Triangulation of root polytopes and reduced forms.
    Karola Meszaros*, MIT
    (1049-05-99)
  • 4:30 p.m.
    Positroids and Schubert Matroids.
    Suho Oh*, Massachusetts Institute of Technology
    (1049-05-126)
  • 5:00 p.m.
    Polypositroids.
    Alexander Postnikov*, MIT
    Thomas Lam, Harvard University
    (1049-05-172)