Geometry-Algebra-Singularities-Combinatorics Seminar

NORTHEASTERN UNIVERSITY
MATHEMATICS DEPARTMENT

Geometry-Algebra-Singularities-Combinatorics
Seminar

Spring 2007

Date	Speaker	Title
January 22	Pavel Etingof MIT	Hochschild cohomology of preprojective algebras of quivers
February 5	Anthony Iarrobino Northeastern University	Commuting nilpotent matrices and Hilbert function
February 12	Bertram Kostant MIT	On maximal Poisson commutative subalgebras of S(g) and corresponding Darboux coordinates on any reductive Lie algebra g
February 26	Margaret Readdy University of Kentucky (visiting MIT )	Affine and toric hyperplane arrangements
March 12	Ruth Charney Brandeis University	Relative hyperbolicity and Artin groups
March 19	Tom Bridgeland University of Sheffield	Joyce's work on counting invariants and wall-crossing
March 22 Thursday@3pm	Eckhard Meinrenken University of Toronto	Pure spinors on Lie groups
March 26	Andrei Zelevinsky Northeastern University	Mutations for quivers with potentials and their representations
April 2	Roman Fedorov University of Massachusetts, Amherst	Isomonodromic deformations and affine Lie groups
April 12 Thursday@3pm at 425 Shillman	Tibor Bisztriczky University of Calgary	Generalized simplices
April 23	Richard Ehrenborg University of Kentucky (visiting MIT )	Eulerian binomial and Sheffer posets

The Seminar is usually held on Mondays, from 1:30 to 2:30 pm, in 509 Lake Hall.
For the announcement of a talk, click on the corresponding title.

Seminar Organizers

Northeastern University	Web page: Alex Suciu
Mathematics Department	Started: April 22, 1998. Last modified: September 9, 2007
Seminars Directions	http://www.math.neu.edu/GASC/