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math.QA2008
When weak Hopf algebras are Frobenius
Miodrag C. Iovanov, Lars Kadison
We investigate when a weak Hopf algebra H is Frobenius; we show this is not always true, but it is true if the semisimple base algebra A has all its matrix blocks of the same dimen…
math.QA2005
Generalized (anti) Yetter-Drinfeld modules as components of a braided T-category
Florin Panaite, Mihai D. Staic
If H is a Hopf algebra with bijective antipode and α, β\in Aut_{Hopf}(H), we introduce a category_H{\cal YD}^H(α, β), generalizing both Yetter-Drinfeld and anti-Yetter-Drinfeld mod…