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has been cited by the following article:
TITLE: Ribbon Element on Co-Frobenius Quasitriangular Hopf Algebras
AUTHORS: Guohua Liu
KEYWORDS: Co-Frobenius Hopf Algebra, Ribbon Element
JOURNAL NAME: Applied Mathematics, Vol.1 No.3, September 29, 2010
ABSTRACT: Let (H, R) be a co-Frobenius quasitriangular Hopf algebra with antipode S. Denote the set of group-like elements in H by G (H). In this paper, we find a necessary and sufficient condition for (H, R) to have a ribbon element. The condition gives a connection with the order of G (H) and the order of S2.