Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4602609 | Linear Algebra and its Applications | 2008 | 10 Pages |
Abstract
Triples of positive definite matrices that can be transformed to a commuting triple by a congruence transformation are called Γ-commuting. In this paper we give various descriptions and characterizations of Γ-commuting triples and particularly focus on those involving the geometric mean and midpoint equations on a generating set of the special unitary group.
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