Date
Mon, 11 Jul 2016
Time
14:45 - 15:45
Location
L3
Speaker
Nigel Hitchin
Organisation
Oxford

Following an idea of Gaiotto, a symplectic representation of a complex Lie group G defines a complex Lagrangian subvariety inside the moduli space of G-Higgs bundles. The talk will discuss the case of G=SL(2) and its link with determinant  divisors, or equivalently Brill-Noether loci, in the moduli space of semistable SL(2)-bundles. 

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