The main purpose of the present paper is to develop the theory of center constructions on Hom–Hopf algebras. Let H be a Hom–Hopf algebra, we first introduce the notions of… Click to show full abstract
The main purpose of the present paper is to develop the theory of center constructions on Hom–Hopf algebras. Let H be a Hom–Hopf algebra, we first introduce the notions of nth Yetter–Drinfeld modules and mth Drinfeld codouble for H. Also we prove that the category $${\mathcal {YD}}_H^H(n)$$YDHH(n) of nth Yetter–Drinfeld modules of H is a braided autonomous category. Finally, we show that $${\mathcal {YD}}_H^H(n)$$YDHH(n) and $$Corep^{i,j}(CD_m(H))$$Corepi,j(CDm(H)) (i.e., the corepresentation category of the Drinfeld codouble of H) are braided isomorphic as the full subcategories of $$Corep^{i,j}(H)$$Corepi,j(H).
               
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