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The Plectic Weight Filtration on Cohomology of Shimura Varieties and Partial Frobenius
Published online by Cambridge University Press: 12 April 2021
Abstract
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We prove that there is a natural plectic weight filtration on the cohomology of Hilbert modular varieties in the spirit of Nekovář and Scholl. This is achieved with the help of Morel’s work on weight t-structures and a detailed study of partial Frobenius. We prove in particular that the partial Frobenius extends to toroidal and minimal compactifications.
MSC classification
- Type
- Number Theory
- Information
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.- Copyright
- © The Author(s), 2021. Published by Cambridge University Press
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