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Caltech

Algebraic Geometry Seminar

Monday, November 7, 2016
4:00pm to 5:00pm
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Convex Polytopes and Local Models of Shimura Varieties
Qiao Zhou, Department of Mathematics, UC Berkeley,
In this talk, I will explain my recent work on the central degeneration of semi-infinite orbits, Iwahori orbits and MV cycles in the affine Grassmannian. The central degeneration shows up in local models of Shimura varieties and Gaitsgory's central sheaves. I will point out the connections to affine Deligne Lusztig varieties and Zhu's work on the Coherence Conjecture. I will also use lots of convex polytopes to illustrate my results
For more information, please contact Mathematics Department by phone at 626-395-4335 or by email at mathinfo@caltech.edu.