Quiver Varieties Program Seminar: Sergio Cecotti

Title: N=2 gauge Theories and Quiver Representations Speaker: Sergio Cecotti Date: Thursday, October 3, 2013 Time: 2:30pm – 4:30pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video. [/box] Abstract: N=2 gauge theories are considered from the point of view of the representation theory of their (equivalence class) of quivers, or equivalently … Read more

SCGP Weekly Talk: Nikita Nekrasov

Title: Bethe States As Defects In Gauge Theories Speaker: Nikita Nekrasov Date: Tuesday, October 1, 2013 Time: 2:30pm – 4:00pm Place: Lecture Hall 102, Simons Center       [box, type=”download”]Watch the video. [/box] Abstract: Bethe/gauge correspondence identifies the supersymmetric vacua in a gauge theory with the stationary states of a quantum integrable system. In the past … Read more

Seminar by Catherine Meusburger, FAU Erlangen-Nürnberg

Title: Diagrams for Gray categories With Duals Speaker: Catherine Meusburger, FAU Erlangen-Nürnberg Date: Tuesday, September 24, 2013 Time: 2:00pm – 3:30pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video. [/box] Abstract: Tricategories play an important role as the algebraic data that characterises defects in 3d TFTs. In oriented TFTs, an appropriate … Read more

Mock Modular Forms Program Seminar: Martin Raum, ETH Zurich

Title: Siegel Product Expansion in M24 Moonshine Speaker: Martin Raum, ETH Zurich Date: Thursday, September 19, 2013 Time: 2:00pm – 3:30pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video. [/box] Abstract: We briefly revisit product expansions that were considered by Cheng, and Cheng and Duncan in the context of $M_{24}$-moonshine. To … Read more