AMS Sectional Meeting Program by AMS Special Session

Current as of Sunday, April 18, 2010 21:23:43

Program | Deadlines | Registration/Housing/Etc.
Inquiries: meet@ams.org

Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu

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
  (1058-05-180)
- 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
  (1058-05-209)
- 10:00 a.m.
  Cyclic sieving and Eulerian quasisymmetric functions.
  Bruce Sagan, Michigan State University
  John Shareshian*, Washington University
  Michelle Wachs, University of Miami
  (1058-05-223)
- 10:30 a.m.
  On the algebra and combinatorics of $q,t$-Catalan numbers.
  Lee Kyungyong, Purdue University
  Li Li*, University of Illinois at Urbana-Champaign
  (1058-05-178)
- 11:00 a.m.
  Crystal graphs and dual equivalence graphs.
  Sami Assaf*, MIT
  (1058-05-191)

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
  (1058-05-66)
- 2:30 p.m.
  The cluster and dual canonical bases of $\mathbb{Z}[x_{11}, ... , x_{33}]$ are equal.
  Brendon Rhoades*, MIT
  (1058-05-258)
- 3:00 p.m.
  Exceptional sequences and rational invariants for quivers.
  Calin Ioan Chindris*, University of Iowa
  (1058-16-248)
- 3:30 p.m.
  A Cambrian approach to cluster algebras.
  Nathan Reading*, North Carolina State University
  David Speyer, MIT
  (1058-05-278)
- 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 Urbana-Champaign
  (1058-05-85)
- 4:30 p.m.
  Representation Types of Finite EI-Categories.
  Liping Li*, University of Minnesota, Twin Citeis
  (1058-16-43)

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 Kazhdan-Lusztig ideals and multiplicities of Schubert varieties.
  Alexander Yong*, University of Illinois at Urbana-Champaign
  Li Li, University of Illinois at Urbana-Champaign
  (1058-14-63)
- 9:30 a.m.
  Exploring the cohomology ring of generalized Springer varieties.
  Aba Mbirika*, University of Iowa
  (1058-05-175)
- 10:00 a.m.
  Deodhar sets for cograssmannian permutations.
  Alexander Woo*, Saint Olaf College
  Brant C Jones, University of California at Davis
  (1058-05-164)
- 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
  (1058-05-123)

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
  (1058-16-251)
- 3:00 p.m.
  Branching coefficients in the finite unipotent upper-triangular groups.
  Stephen Lewis, University of Washington at Seattle
  Nathaniel Thiem*, University of Colorado at Boulder
  (1058-05-194)
- 3:30 p.m.
  The degenerate two-boundary Hecke algebra.
  Zajj B Daugherty*, University of Wisconsin - Madison
  (1058-16-215)
- 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
  (1058-05-233)