Geometric construction of some families of two-class and three-class association schemes from nondegenerate quadrics in characteristic two |
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Authors: | Gao Suogang Wang Yangxian |
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Institution: | (1) Department of Mathematics, Hebei Normal University (west campus), 050091 Shijiazhuang, China |
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Abstract: | Taking nondegenerate quadrics in projective space over finite fields of ch.=2, we construct some families of two-class and three-class association schemes, and calculate their parameters. Moreover, for the three-class association scheme, we also compute all its eigenvalues, corresponding multiplicities and the character table, and prove that it is a p-polynomial association scheme. |
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Keywords: | Association scheme nodegenerate quadrics finite fields |
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