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math.CO2004
The maximal {-1,1}-determinant of order 15
William P. Orrick
We study the question of finding the maximal determinant of matrices of odd order with entries {-1,1}. The most general upper bound on the maximal determinant, due to Barba, can on…
math.CO2003★ 2 cited
Large-determinant sign matrices of order 4k+1
William P. Orrick, Bruce Solomon
The Hadamard maximal determinant problem asks for the largest n-by-n determinant with entries in {+1,-1}. When n is congruent to 1 (mod 4), the maximal excess construction of Farma…