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Topology of some representation varieties of surface groups

Presented by: 
R Wentworth [Maryland]
Date: 
Tuesday 15th March 2011 - 16:30 to 17:30
Abstract: 
I will discuss recent generalizations of the techniques of Atiyah and Bott on equivariant Morse theory. These extend results on stable bundles to Higgs bundles and stable pairs. As a consequence, information is obtained on the topology of representation varieties into noncompact Lie groups.
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons