Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4603365 | Linear Algebra and its Applications | 2008 | 17 Pages |
Abstract
Conjugate-normal matrices play the same important role in the theory of unitary congruence as the conventional normal matrices do with respect to unitary similarities. However, unlike the latter, the properties of conjugate-normal matrices are not widely known. Motivated by this fact, we give a survey of the properties of these matrices. In particular, a list of more than forty conditions is given, each of which is equivalent to A being conjugate-normal.
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