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Something about the Khovanov space

Presented by: 
Andrew Lobb University of Durham
Date: 
Thursday 25th May 2017 - 15:15 to 16:15
Venue: 
INI Seminar Room 2
Abstract: 
I'll say something about the space (really a stable homotopy type, due to Lipshitz-Sarkar) whose cohomology recovers Khovanov cohomology.  I'll tell you why you should care about the Khovanov space if you only care about low-dimensional topology.  I'll talk about one or two generalizations, maybe including work in progress on annular Khovanov cohomology and the Lie ring action on it.  This is all joint work in various combinations with Jones, Orson, and Schuetz.



University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons