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| rev | Bot | (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div> {{Alert-warning|This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion. }}Prove that for <math>H\in M_N(\pm1)</math> we have <math>|\det H|\leq N^{N/2}</math>, with equality precisely when <math>H</math> is Hadamard, in the sense that its rows are pairwise orthogonal.") | Apr 21'25 at 16:12 | +451 |