Morita theory for group corings (Q2825931)

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scientific article; zbMATH DE number 6638682
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Morita theory for group corings
scientific article; zbMATH DE number 6638682

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    13 October 2016
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    group coring
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    graded Morita context
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    cofree group coring
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    Morita theory for group corings (English)
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    Group corings were introduced by \textit{S. Caenepeel} et al. in [Appl. Categ. Struct. 16, No. 1--2, 65--96 (2008; Zbl 1145.16017)] as a generalization of group coalgebras defined by Turaev. In this paper, the authors study graded Morita contexts associated to comodules over group corings. This approach unifies certain Morita contexts studied previously in different contexts. An application to \(G\)-entwining structures is also given.
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