Frobenius and Mashke type Theorems for Doi-Hopf modules and entwined modules revisited: a unified approach

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We study when induction functors (and their adjoints) between categories of Doi-Hopf modules and, more generally, entwined modules are separable, resp. Frobenius. We present a unified approach, leading to new proofs of old results by the authors, as well as to some new ones. Also our methods provide a categorical explanation for the relationship between separability and Frobenius properties.
28 pages, LaTeX; Contribution to the proceedings of the ``Fifth week on algebra and geometry (SAGA5)'', Leon, Spain 1999

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Rings and Algebras, Quantum Algebra, 16W30, 16S40

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http://salesiana.dossiersoluciones.com/handle/123456789/58928

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0003198
 http://arxiv.org/abs/math/0003198

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arXiv