AMS Sectional Meeting Program by Special Session

Current as of Thursday, November 2, 2006 00:39:18

Associate secretaries:
Lesley M Sibner, AMS lsibner@duke.poly.edu

Saturday October 28, 2006, 8:00 a.m.-10:50 a.m.
Special Session on Combinatorial Methods in Equivariant Topology, I
Room 226, Business School
Organizers:
Tara Holm, University of Connecticut, Storrs tsh@math.uconn.edu
Tom C. Braden, University of Massachusetts, Amherst braden@math.umass.edu
- 8:00 a.m.
  Localization via cobordisms and polytope decompositions.
  Megumi Harada*, McMaster University
  Yael Karshon, University of Toronto
  (1021-53-46)
- 8:30 a.m.
  Gauged Gromov-Witten Theory for Hamiltonian $G$-manifolds.
  Eduardo Gonzalez*, Rutgers University
  Chris Woodward, Rutgers University
  (1021-53-146)
- 9:00 a.m.
  Combinatorics of the toric symplectic ball packing problem and the topology of spaces of toric symplectic embeddings.
  Alvaro Pelayo*, University of Michigan
  (1021-51-180)
- 9:30 a.m.
  The toric geometry of triangulated polygons in Euclidean space.
  Benjamin J Howard*, Institute for Mathematics and its Applications, University of Minnesota
  Chris Manon, University of Maryland College Park
  John Millson, University of Maryland College Park
  (1021-51-66)
- 10:00 a.m.
  Chow classes in toric varieties via tropicalization.
  Kevin Purbhoo*, University of British Columbia
  (1021-14-202)
- 10:30 a.m.
  GIT and Chow quotients of toric varieties.
  Alastair Craw, University of Glasgow
  Diane Maclagan*, Rutgers University
  (1021-14-59)

Saturday October 28, 2006, 2:30 p.m.-5:20 p.m.
Special Session on Combinatorial Methods in Equivariant Topology, II
Room 226, Business School
Organizers:
Tara Holm, University of Connecticut, Storrs tsh@math.uconn.edu
Tom C. Braden, University of Massachusetts, Amherst braden@math.umass.edu
- 2:30 p.m.
  The photo space of a matroid.
  Mike Develin, American Institute of Mathematics
  Jeremy L Martin*, University of Kansas
  Victor Reiner, University of Minnesota
  (1021-05-131)
- 3:00 p.m.
  Algebraic combinatorics of hypertoric varieties.
  Nicholas J Proudfoot*, Columbia University
  (1021-14-83)
- 3:30 p.m.
  Matroid Invariants and $K$-Theory.
  David E Speyer*, University of Michigan
  (1021-14-176)
- 4:00 p.m.
  Schubert calculus, matroids, and shifting.
  Allen Knutson*, UCSD
  Ravi Vakil, Stanford University
  (1021-55-228)
- 4:30 p.m.
  Total positivity on the Grassmannian.
  Alexander Postnikov*, M.I.T.
  (1021-05-137)
- 5:00 p.m.
  Total positivity for real flag varieties.
  Lauren K Williams*, Harvard University
  (1021-05-143)

Sunday October 29, 2006, 8:00 a.m.-10:50 a.m.
Special Session on Combinatorial Methods in Equivariant Topology, III
Room 226, Business School
Organizers:
Tara Holm, University of Connecticut, Storrs tsh@math.uconn.edu
Tom C. Braden, University of Massachusetts, Amherst braden@math.umass.edu
- 8:00 a.m.
  A generalized Schubert calculus for symplectic circle manifolds.
  Rebecca F Goldin*, George Mason University
  Susan Tolman, University of Illinois at Urbana-Champaign
  (1021-05-70)
- 8:30 a.m.
  Strong Equivalence of Three Definitions of the Bruhat Order and Consequences for the Equivariant Cohomology of Flag Manifolds.
  Catalin Zara*, University of Massachusetts Boston
  (1021-05-237)
- 9:00 a.m.
  Equivariant Pieri rules.
  Julianna S Tymoczko*, University of Michigan
  (1021-05-221)
- 9:30 a.m.
  A combinatorial rule for (co)minuscule Schubert calculus.
  Alexander Yong*, Math Dept., University of Minnesota; Fields Institute/Statistics Department, University of Toronto
  Hugh Thomas, Dept. of Mathematics and Statistics, University of New Brunswick
  (1021-05-55)
- 10:00 a.m.
  Double Schubert varieties and double Schubert polynomials.
  Dave Anderson*, University of Michigan
  (1021-14-158)
- 10:30 a.m.
  Affine (Grassmannian) Schubert Calculus: polynomial representatives and Pieri rules.
  Thomas F. Lam*, Harvard University
  (1021-05-47)

Sunday October 29, 2006, 2:30 p.m.-3:50 p.m.
Special Session on Combinatorial Methods in Equivariant Topology, IV
Room 226, Business School
Organizers:
Tara Holm, University of Connecticut, Storrs tsh@math.uconn.edu
Tom C. Braden, University of Massachusetts, Amherst braden@math.umass.edu
- 2:30 p.m.
  Symplectic geometry.
  Jonathan Weitsman*, UC Santa Cruz
  (1021-51-212)
- 3:00 p.m.
  Chern-Schwartz-MacPherson classes for Schubert varieties in the Grassmannian.
  Paolo Aluffi, Florida State University
  Leonardo Constantin Mihalcea*, Duke University
  (1021-14-48)
- 3:30 p.m.
  Quiver coefficients of Dynkin type.
  Anders S. Buch*, Rutgers University
  (1021-14-163)

Inquiries: meet@ams.org