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Gorenstein rings and inverse polynomials |
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| Authors: | Sangwon Park |
| Affiliation: | Department of mathematices , Dong-a university , Pusan, 604-714, Korea |
| Abstract: | We characterize left perfect rings using locally, finitely projective and flat covers, thus answering a question of Xue in the positive. |
| Keywords: | Malcev superalgebras Quadratic forms Reductive Malcev algebras |