A note on the structure of matrix *-subalgebras with scalar diagonals
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Date
2021
Authors
MacDonald, Gordon
Mastnak, Mitja
Omladic, Matjaz
Radjavi, Heydar
Journal Title
Journal ISSN
Volume Title
Publisher
EleMath
Abstract
We characterize those unital, self-adjoint algebras of complex n x n matrices that are simultaneously unitarily similar to algebras in which every member has a scalar diagonal.
Description
Keywords
unitary similarity, scalar diagonals, self-adjoint subalgebras of matrices