Cohomology for bicomodules. Separable and Maschke functors

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dc.creatorKaoutit, L. El
dc.creatorVercruysse, J.
dc.date2006-08-08
dc.date.accessioned2026-07-07T07:21:31Z
dc.date.available2026-07-07T07:21:31Z
dc.descriptionWe introduce the category of bicomodules for a comonad in a Grothendieck category whose underlying functor is right exact and preserves direct sums. We characterize comonads with a separable forgetful functor by means of cohomology groups using cointegrations into bicomodules. We present two applications: the characterization of coseparable corings stated in [11], and the characterization of coseparable coalgebras coextensions stated in [16].
dc.identifierhttps://arxiv.org/abs/math/0608195
dc.identifierhttp://arxiv.org/abs/math/0608195
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/115328
dc.subjectRings and Algebras
dc.subject16W30, 16D20
dc.titleCohomology for bicomodules. Separable and Maschke functors
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