Necessary and sufficient conditions for unitary similarity
نویسندگان
چکیده
منابع مشابه
Necessary and Sufficient Conditions for Copositive Tensors
In this paper, it is proved that a symmetric tensor is (strictly) copositive if and only if each of its principal subtensors has no (non-positive) negative H++-eigenvalue. Necessary and sufficient conditions for (strict) copositivity of a symmetric tensor are also given in terms of Z++-eigenvalues of the principal sub-tensors of that tensor. This presents a method for testing (strict) copositiv...
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ژورنال
عنوان ژورنال: Journal of the Australian Mathematical Society
سال: 1961
ISSN: 0004-9735
DOI: 10.1017/s1446788700026422