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math.CT2010
A monoidal structure on the category of relative Hopf modules
D. Bulacu, S. Caenepeel
Let be a bialgebra, and a left -comodule algebra in a braided monoidal category $\Cc$, and assume that is also a coalgebra, with a not-necessarily associative or uni…
math.RA2010★ 1 cited
Algebras graded by discrete Doi-Hopf data and the Drinfeld double of a Hopf group-coalgebra
D. Bulacu, S. Caenepeel
We study Doi-Hopf data and Doi-Hopf modules for Hopf group-coalgebras. We introduce modules graded by a discrete Doi-Hopf datum; to a Doi-Hopf datum over a Hopf group coalgebra, we…