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On the uniqueness of the graphs G(n, k) of the Johnson schemes |
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| Authors: | Aeryung Moon |
| Institution: | Department of Mathematics, The Ohio State University, Columbus, Ohio 43210 USA |
| Abstract: | T. A. Dowling (J. Combin. Theory6 (1969), 251–263) proved the uniqueness of the graphs G(n, k) of the Johnson schemes for n > 2k(k ? 1) + 4. We improve this result by showing the uniqueness of G(n, k) for n > 4k. |
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