Unitary equivalence to a complex symmetric matrix: a modulus criterion

2010/03/14 by Garcia, Stephan Ramon, Poore, Daniel E., Wyse, Madeline K.
#15A57 #47A30 #FOS: Mathematics #Functional Analysis (math.FA) #Operator Algebras (math.OA)

paper · doi:10.48550/arxiv.1003.2821

Abstract

We develop a procedure for determining whether a square complex matrix is unitarily equivalent to a complex symmetric (i.e., self-transpose) matrix. Our approach has several advantages over existing methods. We discuss these differences and present a number of examples.

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