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Crouzeix's conjecture for classes of matrices - MaRDI portal

Crouzeix's conjecture for classes of matrices

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Publication:6565844

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DOI10.1016/j.laa.2023.12.008zbMath1548.1502MaRDI QIDQ6565844

Ryan O'Loughlin, Jani A. Virtanen

Publication date: 2 July 2024

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

zbMATH Keywords

Hardy spaces matrix inequalities numerical ranges Crouzeix's conjecture norms of linear operators

Mathematics Subject Classification ID

Linear inequalities of matrices (15A39) Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Positive linear operators and order-bounded operators (47B65)

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