A Note on Braided TT-categories over Monoidal Hom-Hopf Algebras

preprint2014arXivOpen access

Abstract

Let AutmHH(H) Aut_{mHH}(H) denote the set of all automorphisms of a monoidal Hopf algebra HH with bijective antipode in the sense of Caenepeel and Goyvaerts \cite{CG2011}. The main aim of this paper is to provide new examples of braided TT-category in the sense of Turaev \cite{T2008}. For this, first we construct a monoidal Hom-Hopf TT-coalgebra MHD(H)\mathcal{MHD}(H) and prove that the TT-category Rep(MHD(H))Rep(\mathcal{MHD}(H)) of representation of MHD(H)\mathcal{MHD}(H) is isomorphic to MHYD(H)\mathcal {MHYD}(H) as braided TT-categories, if HH is finite-dimensional. Then we construct a new braided TT-category ZMHYD(H)\mathcal{ZMHYD}(H) over Z,\mathbb{Z}, generalizing the main construction by Staic \cite{S2007}.

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