Morita Theory for corings and cleft entwining structures

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Using the theory of corings, we generalize and unify Morita contexts introduced by Chase and Sweedler, Doi, and Cohen, Fischman and Montgomery. We discuss when the contexts are strict. We apply our theory corings arising from entwining structures, and this leads us to the notion of cleft entwining structure.
27 pages

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Rings and Algebras, Quantum Algebra, 16W30

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http://salesiana.dossiersoluciones.com/handle/123456789/64343

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0206198
 http://arxiv.org/abs/math/0206198

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arXiv