Representations and categorical realization of Hom-quasi-Hopf algebras
Yongsheng CHENG1,*(),Xiufu ZHANG2
1. School of Mathematics and Statistics and Institute of Contemporary Mathematics, Henan University, Kaifeng 475004, China 2. School of Mathematics and Statistics, Jiangsu Normal University, Xuzhou 221116, China
We give a monoidal category approach to Hom-coassociative coalgebra by imposing the Hom-coassociative law up to some isomorphisms on the comultiplication map and requiring that these isomorphisms satisfy the copentagon axiom and obtain a Hom-coassociative 2-coalgebra, which is a 2- category. Second, we characterize Hom-bialgebras in terms of their categories of modules. Finally, we give a categorical realization of Hom-quasi-Hopf algebras using Hom-coassociative 2-coalgebra.
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