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Topology of some representation varieties of surface groups

Wentworth, R (Maryland)
Tuesday 15 March 2011, 16:30-17:30



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.

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