Geometry, Physics and Representation theory seminar

The seminar meets approximately twice per month, on Wednesdays, 1.30-2.30pm, in 509 Lake. Occasionally there will be background talks aimed on graduate students, in which case seminar meets 1.30-2.30 and 3-4pm.

The organizers for Spring 2015 are Ivan Losev, Alina Marian, Valerio Toledano Laredo and Jonathan Weitsman.

Jan 14, 2-3pm, 509 LA. Ethan Cotterill (Fluminense): Dimension counts for singular rational curves. Abstract.

Jan 21, Gabriel Bujokas, Harvard. The talks are in 509LA.

Baby talk, 1.30-2.30pm, Branched covers of P^1, Abstract.

Adult talk, 3-4pm, Invariants of branched covers of P^1, Abstract.

Feb 25, Adina Gamse, NEU.

1.30-2.30pm, Vanishing relations in the cohomology of the moduli space of parabolic bundles on a curve, announcement.

Mar 4, Ben Elias, U. Oregon.

Baby talk, 1.30-2.30pm, Introduction to Soergel bimodules and Rouquier complexes,

Adult talk, 3-4pm, Diagonalization in categorical representation theory (jt. w. Matt Hogancamp).


Mar 25, Yaim Cooper, Harvard.

1.30-2.30pm, A Fock space approach to Severi degrees, announcement.

Apr 8, Andrey Smirnov, Columbia.

1.30-2.30pm, Quantum difference equations for Nakajima varieties, announcement.

Apr 22, Nick Rozenblyum, U. Chicago,

Introduction to derived algebraic geometry (baby talk, 1.30-2.30pm)

Higher Differential Operators and Invariants of Varieties (adult talk, 3-4pm, joint with GASC)


Apr 29, Evangelos Routis, Brown.

3-4pm, Weighted Compactifications of Configuration Spaces, announcement.