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Dually normal relations on sets |
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| Authors: | Guanghao Jiang Luoshan Xu |
| Affiliation: | 1. Department of Mathematics, Nanjing Normal University, Nanjing, 210024, P. R. China 2. Department of Mathematics, Huaibei Normal University, Huaibei, 235000, P. R. China 3. Department of Mathematics, Yangzhou University, Yangzhou, 225002, P. R. China |
| Abstract: | In this paper, the concept of dual normal relations on sets is introduced and generalized. Intrinsic characterizations of them are obtained. |
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