Numerical radius characterizations of elements in -algebras

DOI10.1080/03081087.2017.1380595zbMath1454.46047OpenAlexW2760254744MaRDI QIDQ5375913

Mohamed Mabrouk, Abdellatif Bourhim

Publication date: 17 September 2018

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

Full work available at URL: https://doi.org/10.1080/03081087.2017.1380595

zbMATH Keywords

numerical rangespectral radiusspectrumminimum modulusnumerical radius\(C^\ast\)-algebras

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) General theory of (C^*)-algebras (46L05) Transformers, preservers (linear operators on spaces of linear operators) (47B49)

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Numerical radius preserving operators on \(C^*\)-algebras
• Unitary operators in \(C^ *\)-algebras
• Type I \(C^ *\)-algebras
• Inner derivations and norm equality
• Product of operators and numerical range
• Numerical radius and product of elements in C*-algebras
• Compact perturbations and norm attaining operators
• MAPPING PRESERVING NUMERICAL RANGE OF OPERATOR PRODUCTS ON C^*-ALGEBRAS

This page was built for publication: Numerical radius characterizations of elements in -algebras