
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
Associate secretaries: Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Special Session on Matroids in Algebra and Geometry
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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
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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)
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8:00 a.m.
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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
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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)
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3:00 p.m.
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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
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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)
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8:00 a.m.
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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
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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)
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3:00 p.m.