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math.QA2012
Integrals and crossed products over weak Hopf algebras
N. Alonso Álvarez, J. M. Fernández Vilaboa, R. González Rodríguez
In this paper we present the general theory of cleft extensions for a cocommutative weak Hopf algebra . For a weak left -module algebra we obtain a bijective correspondence b…
math.QA2012★ 4 cited
The monoidal category of Yetter-Drinfeld modules over a weak braided Hopf algebra
J. N. Alonso Álvarez, J. M. Fernández Vilaboa, R. González Rodríguez +1
In this paper we introduce the notion of weak operator and the theory of Yetter-Drinfeld modules over a weak braided Hopf algebra with invertible antipode in a strict monoidal cate…