Binormal Matrices


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Abstract

A square complex matrix A is said to be binormal if the associated matrices A*A and AA* commute. This matrix class yields a meaningful finite-dimensional extension of the concept of normality. The paper can be regarded as a survey of properties of binormal matrices.

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Kh. D. Ikramov

Moscow Lomonosov State University

Author for correspondence.
Email: ikramov@cs.msu.su
Russian Federation, Moscow

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