## Representation Theory, Geometry and Combinatorics Joint Seminar  —  Fall 2010

Organizers: Mark Haiman and Nicolai Reshetikhin

Time and place: Tuesdays 4:00-5:30pm, 736 Evans

Course Control Number: 54623

Subject matter: Current research and special topics in representation theory, geometry and combinatorics and their interactions.

Calendar:

No seminar
 September 7 Qile Chen Logarithmic stable maps to Deligne-Faltings pairs. 14 Alexander Shapiro Universal weight function of quantum affine algebras 21 Jae-Hoon Kwon Extremal weight crystals for the general linear Lie algebra of type $A_{+\infty}$ 28 Crystal Hoyt Good gradings of basic Lie superalgebras. October 5 Elena Fuchs Counting curvatures in Apollonian circle packings 12 Rinat Kedem Q-system solutions and total positivity. 19 Philippe Di Francesco Cluster Positivity for Discrete Integrable Systems and Non-commutative Generalizations. 26 Vadim Gorin From random tilings to representation theory. This seminar will take place in 891 Evans, 12:30-2:00. Please note unusual time and place. November 2 Huang An An invitation to Nahm's conjecture. 9 Bruno Benedetti (TU Berlin) COUNTING TRIANGULATIONS VIA DISCRETE MORSE THEORY. This seminar will take place in 891 Evans, 12:30-2:00. Please note unusual time and place. 16 James Lee (University of Washington) Bilipschitz embeddings, metric geometry, and isoperimetry in graphs. 23 Chris Manon (UC Berkeley) Deformations of Branching Algebras. 30 Ivan Losev (MIT) Finite W-algebras. December 7 No seminar