Dijkgraaf-Witten invariants of surfaces and projective representations
Time
May 15 2008 - 2:30pmLocation
MW 154Speaker
Vladimir Turaev (University of Indiana at Bloomington)Abstract
Abstract. We compute the Dijkgraaf-Witten invariants of surfaces in terms of projective representations of groups. As an application we prove that the complex Dijkgraaf-Witten invariants of surfaces of positive genus are positive integers.
Last updated by Dan Burghelea on 05/14/08