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On colored link homologies

Presented by: 
Paul Wedrich
Date: 
Tuesday 27th June 2017 - 16:00 to 17:00
Venue: 
INI Seminar Room 1
Abstract: 
I will talk about recent progress in understanding the structure of type A link homologies. This includes the definition of integral, equivariant, colored sl(N) Khovanov-Rozansky link homologies, which are functorial under link cobordisms, a study of their deformations and stability properties and the question of how these invariants extend to links in thickened surfaces. 

Joint work with M. Ehrig, H. Queffelec, D. Rose and D. Tubbenhauer.
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons