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arxiv: 1512.08587 · v1 · pith:4IBPZEWYnew · submitted 2015-12-29 · 🧮 math.RA

The braided monoidal structure on the category of Hom-type Doi-Hopf modules

classification 🧮 math.RA
keywords categorymodulesdoi-hopfhom-typemathcalmonoidalalgebrabraided
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Let $(H,\a_H)$ be a Hom-Hopf algebra, $(A,\a_A)$ a right $H$-comodule algebra and $(C,\a_C)$ a left $H$-module coalgebra. Then we have the category $_A\mathcal{M}(H)^C$ of Hom-type Doi-Hopf modules. The aim of this paper is to make the category $_A\mathcal{M}(H)^C$ into a braided monoidal category. Our construction unifies quasitriangular and coquasitriangular Hom-Hopf algebras and Hom-Yetter-Drinfeld modules. We study tensor identities for monoidal categories of Hom-type Doi-Hopf modules. Finally we show that the category $_A\mathcal{M}(H)^C$ is isomorphic to $A\#C^*$-module category.

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