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Mathematics 2015
Equivalence of the Existence of Hadamard Matrices and Cretan$(4t-1,2)$-Mersenne MatricesAbstract: We study orthogonal matrices whose elements have moduli $\leq 1$. This paper shows that the existence of two such families of matrices is equivalent. Specifically we show that the existence of an Hadamard matrix of order $4t$ is equivalent to the existence of a Cretan$(4t-1,2)$-Mersenne matrix.
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