The Chern-Galois character

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Following the idea of Galois-type extensions and entwining structures, we define the notion of a principal extension of noncommutative algebras. We show that modules associated to such extensions via finite-dimensional corepresentations are finitely generated projective, and determine an explicit formula for the Chern character applied to the thus obtained modules.
4 pages, LaTeX

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K-Theory and Homology, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/67932

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0306436
 http://arxiv.org/abs/math/0306436

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arXiv