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Classification of Symmetric Hadamard Matrices Up to Order 32

Valtonen, Tuomo
arXiv (All) · Papers
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combinatorics
In this paper, symmetric Hadamard matrices are classified up to Hadamard equivalence for all orders at most 32. In particular, an error in the previous classification of symmetric Hadamard matrices of order 28 is corrected. The number of distinct symmetric Hadamard matrices at each order is also enu
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