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Orrick–Solomon's global maximality conjecture for a $37\times37$ sign matrix
Orrick–Solomon's conjecture. The determinant $72\times9^{17}\times2^{36}$ achieves the global maximum among determinants of $37\times37$ sign matrices.
Conjectureopenhadamard-matrices maximal-determinant-problem sign-matricesarXiv posted 2 days ago

Orrick–Solomon's global maximality conjecture for a 37×3737\times3737×37 sign matrix