Isometries of a generalized numerical radius

DOI10.1016/j.laa.2008.04.007zbMath1152.15025OpenAlexW2153893833MaRDI QIDQ947610

Maria Inez Cardoso Gonçalves, Ahmed Ramzi Sourour

Publication date: 6 October 2008

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

Full work available at URL: https://doi.org/10.1016/j.laa.2008.04.007

zbMATH Keywords

isometrygeneralized numerical rangegeneralized numerical radius

Mathematics Subject Classification ID

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) Linear transformations, semilinear transformations (15A04)

Related Items

Isometries of a generalized numerical radius on compact operators ⋮ \(c\)-Numerical radius isometries on matrix algebras and triangular matrix algebras ⋮ Maps preserving the numerical radius distance between \(C^*\)-algebras

Cites Work

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• Linear Operators on Matrix Algebras that Preserve the Numerical Range, Numerical Radius or the States
• Numerical Radius Isometries
• On Similarity and the Diagonal of a Matrix
• Sur les transformations isométriques des espaces du type (F)

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