Cyclic Cohomology of Etale Groupoids; The General Case

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We give a general method for computing the cyclic cohomology of crossed products by etale groupoids, extending the Feigin-Tsygan-Nistor spectral sequences. In particular we extend the computations performed by Brylinski, Burghelea,Connes and Nistor for the convolution algebra -of compactly supported smooth functions- of an etale groupoid, removing the Hausdorffness assumption and including the computation of the hyperbolic components. Examples like group actions on manifolds and foliations are considered.
34 pages, 2 figures

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Functional Analysis, Operator Algebras

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http://salesiana.dossiersoluciones.com/handle/123456789/33416

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/funct-an/9712001
 http://arxiv.org/abs/funct-an/9712001

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arXiv