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Hopf frobenius extensions of algebras |
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| Authors: | Yinhuo Zhang |
| Affiliation: | Institute of Mathematics , Fudan University , Shanghai, P.R., 200433, China |
| Abstract: | Let AlB be an H—extension for a finite Hopf algebra H. First we characterize such Hopf extensions that are Frobenius extensions. Second we will give some characterizations of Hopf Galois extensions, which extend the result of Cohen-Fishmann-Montgomery |
| Keywords: | |