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Classification Results Of Hadamard Matrices, Gregory Allen Schmidt
Classification Results Of Hadamard Matrices, Gregory Allen Schmidt
Masters Theses
In 1893 Hadamard proved that for any n x n matrix A over the complex numbers, with all of its entries of absolute value less than or equal to 1, it necessarily follows that
|det(A)| ≤ nn/2 [n raised to the power n divided by two],
with equality if and only if the rows of A are mutually orthogonal and the absolute value of each entry is equal to 1 (See [2], [3]). Such matrices are now appropriately identified as Hadamard matrices, which provides an active area of research in both theoretical and applied fields …