Monoidal categories of comodules for coquasi Hopf algebras and Radford's formula

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dc.creatorSantos, Walter Ferrer
dc.creatorFranco, Ignacio Lopez
dc.date2008-01-07
dc.date.accessioned2026-07-07T08:53:13Z
dc.date.available2026-07-07T08:53:13Z
dc.descriptionWe study the basic monoidal properties of the category of Hopf modules for a coquasi Hopf algebra. In particular we discuss the so called fundamental theorem that establishes a monoidal equivalence between the category of comodules and the category of Hopf modules. We present a categorical proof of Radford's $S^4$ formula for the case of a finite dimensional coquasi Hopf algebra, by establishing a monoidal isomorphism between certain double dual functors.
dc.identifierhttps://arxiv.org/abs/0801.1133
dc.identifierhttp://arxiv.org/abs/0801.1133
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145540
dc.subjectQuantum Algebra
dc.subjectCategory Theory
dc.subject16W30; 18D10
dc.titleMonoidal categories of comodules for coquasi Hopf algebras and Radford's formula
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