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EQUIVALENCE OF χ-HOPF ALGEBRAS |
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| Affiliation: | Department of Mathematics, Yangzhou University, Yangzhou 225002, China |
| Abstract: | Some basic properties of the antipode of an NoI-graded χ-Hopf algebra arestudied. Also, several equivalent conditions of an NoI-graded χ-bialgebra (χ-Hopf algebra)are given. |
| Keywords: | Grading twisted algebra (coalgebra) twisted Hopf algebra |
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