Simplicial sheaves of modules and Morita invariance of groupoid cohomology

Fuente: arXiv
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Autores principales: Tang, Xiang, Villatoro, Joel
Formato: Preprint
Publicado: 2025
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author Tang, Xiang
Villatoro, Joel
author_facet Tang, Xiang
Villatoro, Joel
contents In this article we develop a unified framework for proving Morita invariance of cohomology theories associated to Lie groupoids. Our approach is to view these cohomology theories as arising from sheaves of modules on the nerve of the groupoid. We establish criteria for when such sheaves of modules give rise to Morita invariant cohomology theories.
format Preprint
id arxiv_https___arxiv_org_abs_2509_07285
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Simplicial sheaves of modules and Morita invariance of groupoid cohomology
Tang, Xiang
Villatoro, Joel
Differential Geometry
Operator Algebras
In this article we develop a unified framework for proving Morita invariance of cohomology theories associated to Lie groupoids. Our approach is to view these cohomology theories as arising from sheaves of modules on the nerve of the groupoid. We establish criteria for when such sheaves of modules give rise to Morita invariant cohomology theories.
title Simplicial sheaves of modules and Morita invariance of groupoid cohomology
topic Differential Geometry
Operator Algebras
url https://arxiv.org/abs/2509.07285