Groupoid cohomology and extensions

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We show that Haefliger's cohomology for etale groupoids, Moore's cohomology for locally compact groups and the Brauer group of a locally compact groupoid are all particular cases of sheaf (or Cech) cohomology for topological simplicial spaces.
32 pages

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Operator Algebras, 22A22, 20J06; 55Nxx

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http://salesiana.dossiersoluciones.com/handle/123456789/70857

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0404257
 http://arxiv.org/abs/math/0404257

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arXiv