Supercuspidal part of the mod l cohomology of GU(1,n - 1)-Shimura varieties
Name
Shin-2015-Supercuspidal part o.pdf
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398.72 KB
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Author(s)
Shin, Sug Woo
Date Issued
July 2017
Journal
Journal für die reine und angewandte Mathematik (Crelles Journal)
Publisher
Walter de Gruyter
Citation
Shin, Sug Woo. “Supercuspidal Part of the Mod L Cohomology of GU(1,n - 1)-Shimura Varieties.” Journal für die reine und angewandte Mathematik (Crelles Journal) 2015.705 (2015): 1–21. © 2015 De Gruyter
Version
Final published version
Abstract
Let l be a prime. In this paper we are concerned with GU(1,n - 1)-type Shimura varieties with arbitrary level structure at l and investigate the part of the cohomology on which G(ℚ[subscript p]) acts through mod l supercuspidal representations, where p ≠ l is any prime such that G(ℚ[subscript p]) is a general linear group. The main theorem establishes the mod l analogue of the local-global compatibility. Our theorem also encodes a global mod l Jacquet–Langlands correspondence in that the cohomology is described in terms of mod l automorphic forms on some compact inner form of G.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1515/crelle-2013-0057
