AMS Sectional Meeting Program by Special Session
Current as of Saturday, April 4, 2009 00:27:23
Program 
Deadlines 
Registration/Housing/Etc. 
Special Event or Lecture 
Inquiries: meet@ams.org
2009 Spring Central Sectional Meeting
Urbana, IL, March 2729, 2009 (Friday  Sunday)
Meeting #1047
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Special Session on Algebra, Geometry and Combinatorics

Saturday March 28, 2009, 8:00 a.m.10:50 a.m.
Special Session on Algebra, Geometry and Combinatorics, I
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at UrbanaChampaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at UrbanaChampaign ayong@uiuc.edu

Saturday March 28, 2009, 3:00 p.m.5:50 p.m.
Special Session on Algebra, Geometry and Combinatorics, II
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at UrbanaChampaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at UrbanaChampaign ayong@uiuc.edu

3:00 p.m.
The geometry and combinatorics of some special subvarieties of the flag variety.
Julianna Tymoczko*, University of Iowa
(104714470)

3:30 p.m.
Cluster fans for quivers.
Calin Ioan Chindris*, University of Iowa
(104716177)

4:00 p.m.
Poisson Geometry of Directed Networks.
Michael Gekhtman*, University of Notre Dame
Michael Shapiro, Michigan State University
Alek Vainshtein, University of Haifa
(104705181)

4:30 p.m.
Higher Auslander algebras, cyclic polytopes, and analogues of tropical cluster algebras.
Steffen Oppermann, Norges teknisknaturvitenskapelige universitet
Hugh Thomas*, University of New Brunswick
(104716384)

5:00 p.m.
Positivity results for cluster algebras.
Gregg Musiker, MIT
Ralf Schiffler, University of Connecticut
Lauren Williams*, Harvard University
(104705412)

5:30 p.m.
Qsystems and Cluster Positivity.
Philippe R Di Francesco*, Institut de Physique Theorique, CEA Saclay, France
(104705267)

Sunday March 29, 2009, 8:00 a.m.10:50 a.m.
Special Session on Algebra, Geometry and Combinatorics, III
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at UrbanaChampaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at UrbanaChampaign ayong@uiuc.edu

8:00 a.m.
Fusion rings over finite fields.
Terry Gannon*, Math Dept, U of Alberta
(104713475)

8:30 a.m.
Representations of double affine Lie algebras and finite groups.
Nicolas Guay*, University of Alberta
(10471763)

9:00 a.m.
Total positivity in loop groups I: whirls and curls.
Pavlo Pylyavskyy*, University of Michigan
Thomas Lam, Harvard
(104705313)

9:30 a.m.
The shifted plactic monoid.
Luis G Serrano*, University of Michigan
(10470597)

10:00 a.m.
Bruhat order, smooth Schubert varieties, and hyperplane arrangements.
SuHo Oh*, Massachusetts Institute of Technology
Alexander Postnikov, Massachusetts Institute of Technology
Hwanchul Yoo, Massachusetts Institute of Technology
(104705407)

10:30 a.m.
Presenting the cohomology of a Schubert variety.
Victor Reiner, University of Minnesota  Twin Cities
Alexander Woo*, Saint Olaf College
Alexander Yong, University of Illinois  UrbanaChampaign
(104705280)

Sunday March 29, 2009, 3:00 p.m.5:50 p.m.
Special Session on Algebra, Geometry and Combinatorics, IV
Room 217, Noyes Lab
Organizers:
Rinat Kedem, University of Illinois at UrbanaChampaign rinat@uiuc.edu
Alexander T. Yong, University of Illinois at UrbanaChampaign ayong@uiuc.edu

3:00 p.m.
The shape of a pure Osequence.
Mats Boij, Royal Institute of Technology
Juan C Migliore, University of Notre Dame
Rosa M MiróRoig, University of Barcelona
Uwe Nagel*, University of Kentucky
Fabrizio Zanello, Michigan Technological University
(104713476)

3:30 p.m.
Monomial ideals with interesting properties.
Juan C. Migliore*, University of Notre Dame
Rosa MiroRoig, University of Barcelona
Uwe Nagel, University of Kentucky
(104713147)

4:00 p.m.
On a minimal set of generators for the ideal of the diagonal locus of $(C^2)^n$.
Kyungyong Lee, Purdue University
Li Li*, University of Illinois at UrbanaChampaign
(104705375)

4:30 p.m.
Koszul incidence algebras, affine semigroups, and StanleyReisner ideals.
Victor Reiner, University of Minnesota, Twin Cities
Dumitru I. Stamate*, Institute of Mathematics "Simion Stoilow" of the Romanian Academy
(10471698)

5:00 p.m.
Stanley decompositions and squarefree monomial ideals.
YiHuang Shen*, Purdue University
(10470525)

5:30 p.m.
On the Cohomology of a Simple Normal Crossings Divisor and its Dual Complex.
Parsa Bakhtary*, Purdue University
(104714398)
Inquiries: meet@ams.org