AMS Sectional Meeting Program by AMS Special Session
Current as of Sunday, April 18, 2010 21:23:43
Inquiries: meet@ams.org
2010 Spring Central Section Meeting
St. Paul, MN, April 1011, 2010 (Saturday  Sunday)
Meeting #1058
Associate secretaries: Georgia Benkart, AMS benkart@math.wisc.edu
Special Session on Combinatorial Representation Theory

Saturday April 10, 2010, 9:00 a.m.11:20 a.m.
Special Session on Combinatorial Representation Theory, I
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

9:00 a.m.
Hyperspecies and hyperoperads.
Marcelo Aguiar*, Texas A&M University
Swapneel Mahajan, Indian Institute of Technology, Mumbai
(105805180) 
9:30 a.m.
A simple bijection between alternating sign matrices with no $1$'s and descending plane partitions with no special parts.
Jessica Striker*, Minneapolis, MN
(105805209) 
10:00 a.m.
Cyclic sieving and Eulerian quasisymmetric functions.
Bruce Sagan, Michigan State University
John Shareshian*, Washington University
Michelle Wachs, University of Miami
(105805223) 
10:30 a.m.
On the algebra and combinatorics of $q,t$Catalan numbers.
Lee Kyungyong, Purdue University
Li Li*, University of Illinois at UrbanaChampaign
(105805178) 
11:00 a.m.
Crystal graphs and dual equivalence graphs.
Sami Assaf*, MIT
(105805191)

9:00 a.m.

Saturday April 10, 2010, 2:00 p.m.4:50 p.m.
Special Session on Combinatorial Representation Theory, II
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

2:00 p.m.
A simple construction of the irreducible webs in the spider for $\mathfrak{sl}_3$.
Julianna Tymoczko*, University of Iowa
(10580566) 
2:30 p.m.
The cluster and dual canonical bases of $\mathbb{Z}[x_{11}, ... , x_{33}]$ are equal.
Brendon Rhoades*, MIT
(105805258) 
3:00 p.m.
Exceptional sequences and rational invariants for quivers.
Calin Ioan Chindris*, University of Iowa
(105816248) 
3:30 p.m.
A Cambrian approach to cluster algebras.
Nathan Reading*, North Carolina State University
David Speyer, MIT
(105805278) 
4:00 p.m.
Non commutative rank 2 cluster algebras and the Kontsevich conjecture.
Philippe Di Francesco, CEA/Saclay, France
Rinat Kedem*, University of Illinois at UrbanaChampaign
(10580585) 
4:30 p.m.
Representation Types of Finite EICategories.
Liping Li*, University of Minnesota, Twin Citeis
(10581643)

2:00 p.m.

Sunday April 11, 2010, 9:00 a.m.10:50 a.m.
Special Session on Combinatorial Representation Theory, III
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

9:00 a.m.
Some degenerations of KazhdanLusztig ideals and multiplicities of Schubert varieties.
Alexander Yong*, University of Illinois at UrbanaChampaign
Li Li, University of Illinois at UrbanaChampaign
(10581463) 
9:30 a.m.
Exploring the cohomology ring of generalized Springer varieties.
Aba Mbirika*, University of Iowa
(105805175) 
10:00 a.m.
Deodhar sets for cograssmannian permutations.
Alexander Woo*, Saint Olaf College
Brant C Jones, University of California at Davis
(105805164) 
10:30 a.m.
Sorting orders, subword complexes and a map to Bruhat order.
Drew Armstrong, University of Miami
Patricia Hersh*, North Carolina State University
(105805123)

9:00 a.m.

Sunday April 11, 2010, 2:30 p.m.4:20 p.m.
Special Session on Combinatorial Representation Theory, IV
Room 241, Olin Rice Hall
Organizers:
Tom Halverson, Macalester College halverson@macalester.edu
Victor Reiner, University of Minnesota reiner@math.umn.edu

2:30 p.m.
Cellularity and the Jones basic construction.
Frederick M. Goodman*, University of Iowa
John Graber, Bethel College
(105816251) 
3:00 p.m.
Branching coefficients in the finite unipotent uppertriangular groups.
Stephen Lewis, University of Washington at Seattle
Nathaniel Thiem*, University of Colorado at Boulder
(105805194) 
3:30 p.m.
The degenerate twoboundary Hecke algebra.
Zajj B Daugherty*, University of Wisconsin  Madison
(105816215) 
4:00 p.m.
Differential Posets and Smith Normal Forms.
Alex Miller*, School of Mathematics, University of Minnesota
Victor Reiner, School of Mathematics, University of Minnesota
(105805233)

2:30 p.m.
Inquiries: meet@ams.org