The UC Berkeley combinatorics seminar
Spring 2012, Monday 2:10pm - 3pm, Evans Hall 939, CCN 54578
939 Evans Hall
Organizers: Kelli Talaska and Lauren Williams

DATE SPEAKER TITLE (click for an abstract)
January 23, 1:00-1:50pm, Evans 939 Christian Krattenthaler Cyclic sieving for generalised non-crossing partitions associated with complex reflection groups
January 23 Madhusudan Manjunath Riemann-Roch Theorems in Discrete Mathematics: An overview
January 30 Paul Zinn-Justin Refined enumeration of alternating sign matrices and descending plane partitions
February 6 Steven Sam Saturation theorems for the classical groups
February 13 Karola Meszaros Flow polytopes and the Kostant partition function
February 20 Felipe Rincon Tropical linear spaces, valuated matroids, and matroid polytope subdivisions
February 27 Rick Kenyon Dimers and Clusters
March 5 June Huh Characteristic classes, algebraic cycles, and convexity in combinatorial geometries
March 12 Jan De Gier Deformed Kazhdan-Lusztig elements and Macdonald polynomials
March 17 Various Bay Area Discrete Math Day
March 19 Greta Panova Dyck tilings, linear extensions, inversions and descents
March 26 Spring Recess
April 2 Joel Brewster Lewis Counting matrices over finite fields with restricted entries
April 9 Harold Williams Loop groups and cluster integrable systems
April 16 Philippe Di Francesco A proof of the positivity and periodicity conjectures for T-systems
April 23 Jim Propp Combinatorial Ergodicity
April 30 Mark Skandera A conjectured combinatorial interpretation for induced sign characters of the Hecke algebra
Old combinatorics seminar webpages: Fall 2011, Spring 2011 Fall 2010, Spring 2010, Fall 2009, Spring 2009