New results on D-optimal Matrices
classification
🧮 math.CO
keywords
d-optimallambdamatricesconstructconstructeddifferencefirstfour
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We construct a number of new (v;r,s;lambda) supplementary difference sets (SDS) with v odd and lambda = (r+s)-(v-1)/2. In particular, these give rise to D-optimal matrices of the four new orders 206, 242, 262, 482 constructed here for the first time.
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