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- W2949278889 abstract "In our previous work, we introduced the following relaxation of the property: a square matrix $Hin M_N(mathbb R)$ is called Hadamard if $U=H/sqrt{N}$ is orthogonal, and locally maximizes the 1-norm on O(N). We review our previous results, notably with the formulation of a new question, regarding the circulant and symmetric case. We discuss then an extension of the almost matrix formalism, by making use of the p-norm on O(N), with $pin[1,infty]-{2}$, with a number of theoretical results on the subject, and the formulation of some open problems." @default.
- W2949278889 created "2019-06-27" @default.
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- W2949278889 date "2012-11-12" @default.
- W2949278889 modified "2023-10-18" @default.
- W2949278889 title "Almost Hadamard matrices: the case of arbitrary exponents" @default.
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