The Construction of Braided T -Categories via Yetter–Drinfeld–Long Bimodules
2019
Let $$H_1$$
and $$H_2$$
be Hopf algebras which are not necessarily finite dimensional and $$\alpha ,\beta \in Aut_{Hopf}(H_1),\gamma ,\delta \in Aut_{Hopf}(H_2)$$
. In this paper, we introduce a category $$_{H_1}\mathcal {LR}_{H_2}(\alpha ,\beta ,\gamma ,\delta )$$
, generalizing Yetter–Drinfeld–Long bimodules and construct a braided T-category $$\mathcal {LR}(H_1,H_2)$$
containing all the categories $$_{H_1}\mathcal {LR}_{H_2}(\alpha ,\beta ,\gamma ,\delta )$$
as components. We also prove that if $$(\alpha ,\beta ,\gamma ,\delta )$$
admits a quadruple in involution, then $$_{H_1}\mathcal {LR}_{H_2}(\alpha ,\beta ,\gamma ,\delta )$$
is isomorphic to the usual category $$_{H_1}\mathcal {LR}_{H_2}$$
of Yetter–Drinfeld–Long bimodules.
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