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BGG-decomposition for de Rham Banach sheaves

BGG-decomposition for de Rham Banach sheaves

来源:Arxiv_logoArxiv
英文摘要

In this article we refer to "the BGG method" as a method in which by using Lie-algebra techniques one produces a complex of coherent sheaves on a Shimura variety, which is quasi-isomorphic to the de Rham complex of an automorphic vector bundle with integrable connection, on that Shimura variety. These BGG-complexes are in many ways "smaller" than the de Rham complex and have better cohomological properties. These BGG complexes contribute to the understanding of automorphic representations. In this article, we extend the BGG technique and apply it to complexes of Banach-modules with integrable connection on relevant open subspaces of Shimura varieties, seen as adic analytic spaces. Furthermore, we explain how this method can be used to obtain a new computation of the de Rham cohomology of certain p-adic automorphic representations in the GL_2 case. In future work, the authors intend to apply the techniques developed here to the Hilbert and Siegel cases.

Fabrizio Andreatta、Marco Baracchini、Adrian Iovita

数学

Fabrizio Andreatta,Marco Baracchini,Adrian Iovita.BGG-decomposition for de Rham Banach sheaves[EB/OL].(2025-08-23)[2025-09-06].https://arxiv.org/abs/2508.17047.点此复制

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