New unitary equivalences for some operator matrices with applications

DOI10.1080/03081087.2022.2092046OpenAlexW4283520936WikidataQ114100552 ScholiaQ114100552MaRDI QIDQ6175922

Saeed Karami, Unnamed Author, Jamal Rooin

Publication date: 25 July 2023

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03081087.2022.2092046

zbMATH Keywords

numerical radiusoperator matrixunitary equivalenceoff-diagonalcross-diagonalleft circulantskew left circulant

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Linear operator inequalities (47A63) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

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