Vanishing theorems for Siegel modular varieties of infinite Gamma_1-level

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• Christian Johansson (University of Cambridge)
• Tuesday 15 May 2018, 14:30-15:30
• MR13.

If you have a question about this talk, please contact Jack Thorne.

I will discuss a vanishing theorem for singular/etale cohomology with Fp-coefficients as one takes the direct limit over the tower of Siegel modular varieties with Gamma_1(p^n)-level structure, focusing on the geometry that goes into the proof. This is joint work with Caraiani, Gulotta, Hsu, Mocz, Reinecke and Shih.

This talk is part of the Number Theory Seminar series.

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