The non-equivalent circulant D-optimal designs for n = 90
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Nikolaou, N
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Kakos, A
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Kounias, S
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Koukouvinos, C
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An exhaustive search was carried out to find all 1358 non-equivalent circulant D-optimal designs for n = 90. A sample of 30 of these designs, presented in a table in the form of the corresponding non-equivalent supplementary difference sets, is given. All these designs are new, except one found by J.H.E. Cohn (Bull. London Math. Soc. 21 (1989), 36-42).
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