On Minors of Maximal Determinant Matrices
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Brent, Richard
Osborn, Judy-Anne
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University of Waterloo
Abstract
By an old result of Cohn (1965), a Hadamard matrix of order n has no proper Hadamard submatrix of order m > n/2. We generalize this result to maximal determinant submatrices of Hadamard matrices, and show that an interval of length ~ n/2 is excluded from
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Journal of Integer Sequences
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Open Access
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