Projectivity of a relative Hopf module over the subring of coinvariants

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dc.creatorCaenepeel, S.
dc.creatorGuédeénon, T.
dc.date2002-10-18
dc.date.accessioned2026-07-07T04:52:07Z
dc.date.available2026-07-07T04:52:07Z
dc.descriptionLet $k$ be a commutative ring, $H$ a faithfully flat Hopf algebra with bijective antipode, $A$ a $k$-flat right $H$-comodule algebra. We investigate when a relative Hopf module is projective over the subring of coinvariants $B=A^{{\rm co}H}$, and we study the semisimplicity of the category of relative Hopf modules.
dc.description15 pages
dc.identifierhttps://arxiv.org/abs/math/0210288
dc.identifierhttp://arxiv.org/abs/math/0210288
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/65349
dc.subjectQuantum Algebra
dc.subjectRings and Algebras
dc.subject16W30
dc.titleProjectivity of a relative Hopf module over the subring of coinvariants
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