AMS Sectional Meeting Program by Special Session
Current as of Saturday, April 12, 2008 00:23:32
Program 
Deadlines 
Registration/Housing/Etc. 
Inquiries: meet@ams.org
2008 Spring Central Section Meeting
Bloomington, IN, April 56, 2008 (Saturday  Sunday)
Meeting #1038
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them

Saturday April 5, 2008, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, I
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

Saturday April 5, 2008, 2:30 p.m.5:45 p.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, II
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

2:30 p.m.
Smooth and palindromic Schubert varieties in affine Grassmannians.
Stephen A. Mitchell*, University of Washington (Seattle)
Sara C. Billey, University of Washington (Seattle)
(10380520)

3:30 p.m.
Schubert Polynomials for the affine Grassmannian of the symplectic group.
Thomas Lam, Harvard
Anne Schilling*, UC Davis
Mark Shimozono, Virginia Tech
(10380523)

4:00 p.m.
Geometric representations through Springer fibers and related varieties.
Julianna Tymoczko*, University of Iowa
(103814346)

4:30 p.m.
Singular sensations in the KGB picture.
William M. McGovern*, University of Washington
(10382212)

5:00 p.m.
Cluster algebras associated with bordered surfaces.
Sergey Fomin*, University of Michigan
Michael Z. Shapiro, Michigan State University
Dylan P. Thurston, Barnard College, Columbia University
(103805176)

Sunday April 6, 2008, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, III
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

Sunday April 6, 2008, 2:30 p.m.5:50 p.m.
Special Session on Combinatorial Representation Theory, Topological Combinatorics, and Interactions Between Them, IV
Room 217, Ballantine Hall
Organizers:
Patricia Hersh, Indiana University phersh@indiana.edu
Cristian P. Lenart, State University of New York at Albany lenart@albany.edu
Michelle Wachs, University of Miami wachs@math.miami.edu

2:30 p.m.
From total positivity to positroids (via the Grassmannian, the Bruhat order, and pattern avoidance).
Alexander Postnikov*, MIT
(103805259)

3:30 p.m.
Discrete Morse theory and the totally nonnegative part of G/P.
Lauren K Williams*, Harvard University
(103805161)

4:00 p.m.
A quantization of a theorem of Goulden and Jackson.
Matjaz Konvalinka, MIT
Mark Skandera*, Lehigh University
(103805271)

4:30 p.m.
The Rees product of the cubical lattice with the chain.
Patricia Muldoon, University of Kentucky
Margaret A. Readdy*, University of Kentucky
(103805215)

5:00 p.m.
Exponential Dowling structures.
Richard Ehrenborg*, University of Kentucky
Margaret Readdy, University of Kentucky
(103805291)

5:30 p.m.
Inversion arrangements and lower intervals in the Bruhat order.
Axel Hultman, KTH, Stockholm
Svante Linusson, KTH, Stockholm
John Shareshian*, Washington University
Jonas Sj\"ostrand, KTH, Stockholm
(103805324)
Inquiries: meet@ams.org