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Speaker:
Ana Caraiani
Affiliation:
Universität Bonn
Date:
Wed, 19/07/2017 - 16:30 - 17:30
Location:
MPIM Lecture Hall
Parent event:
Number theory lunch seminar I will prove that the compactly supported cohomology of certain unitary Shimura varieties at level Gamma_1(p^\infty)l vanishes above the middle degree. I will describe the steps in the proof using modular curves as a toy model. I will also discuss an application to Galois representations for torsion classes in the cohomology of locally symmetric spaces for GL_n. This talk is based on joint work in progress with A. Dotto, D. Gulotta, M. Gerbelli-Gauthier, C.Y. Hsu, C. Johansson, L. Mocz, E. Reineke, M. Santos, and S.C. Shih.
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