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Autor:
Baslingker, Jnaneshwar, Dan, Biltu
Consider the set of scalars $\alpha$ for which the $\alpha$th Hadamard power of any $n\times n$ positive semi-definite (p.s.d.) matrix with non-negative entries is p.s.d. It is known that this set is of the form $\{0, 1, \dots, n-3\}\cup [n-2, \infty
Externí odkaz:
http://arxiv.org/abs/2201.04443
