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Analytic continuation of polytopes and wall crossing. (report on work with Nicole Berline)

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Speaker: 
Michelle Vergne
Date: 
Tue, 13/09/2011 - 14:00 - 15:00
Location: 
MPIM Lecture Hall

Following Varchenko, we consider the "analytic continuation  of a
polytope". There is an explicit  wall crossing formula when the polytope
changes of shape. I will also state an analogous wall crossing formula for
Duistermaat-Heckman in the context of Hamiltonian geometry.

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