The Picard Group of Corings

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dc.creatorZarouali-Darkaoui, Mohssin
dc.date2005-12-19
dc.date2006-03-17
dc.date.accessioned2026-07-07T06:55:31Z
dc.date.available2026-07-07T06:55:31Z
dc.descriptionWe introduce the Picard group of corings. We extend the well-known exact sequence from algebras and coalgebras over fields to corings. We extend the Aut-Pic property to corings and we give some new examples of corings having this property. Finally, we give the corresponding exact sequences for the category of entwined modules over an entwining structure, the category of Doi-Koppinen-Hopf modules over a Doi-Koppinen structure, and the category of graded modules by a $G$-set, where $G$ is a group.
dc.identifierhttps://arxiv.org/abs/math/0512442
dc.identifierhttp://arxiv.org/abs/math/0512442
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106305
dc.subjectRings and Algebras
dc.subjectK-Theory and Homology
dc.subject16W30
dc.titleThe Picard Group of Corings
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