SMS scnews item created by Andrew Mathas at Thu 21 Apr 2011 1049
Type: Seminar
Distribution: World
Expiry: 29 Apr 2011
Calendar1: 29 Apr 2011 1205-1255

Algebra Seminar

Generalisations of Khovanov’s arc algebra

Jon Brundan

29th April, 12:05-12:55pm, Carslaw 175



I will define some generalisations of Khovanov's arc algebra which was introduced originally in a special situation by Khovanov in the course of constructing a categorification of the Jones polynomial. Then I will explain where these algebras appear "in nature" including some of the following as time permits: perverse sheaves on Grassmannians, level two cyclotomic Hecke algebras, the general linear supergroup, the walled Brauer algebra, Deligne's category Rep(GLδ).

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