Numerical radius inequalities for the off-diagonal parts of 2 × 2 operator matrices

DOI10.2989/16073606.2022.2150584OpenAlexW4319081898MaRDI QIDQ6081344

Abdelkader Frakis, Fuad Kittaneh, Unnamed Author

Publication date: 25 October 2023

Published in: Quaestiones Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2989/16073606.2022.2150584

zbMATH Keywords

inequalityoperator normnumerical radiusoperator matrix

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Numerical range, numerical radius (47A12)

Cites Work

• Numerical radius inequalities for certain \(2 \times 2\) operator matrices
• Some inequalities for the Euclidean operator radius of two operators in Hilbert spaces
• Notes on some inequalities for Hilbert space operators
• Refined and generalized numerical radius inequalities for \(2 \times 2\) operator matrices
• Bounds for zeros of a polynomial using numerical radius of Hilbert space operators
• Some generalized numerical radius inequalities for Hilbert space operators
• On the Singular Values of a Product of Operators
• Numerical radius inequalities for Hilbert space operators
• Numerical radius inequalities for Hilbert space operators. II
• Norm and numerical radius inequalities for Hilbert space operators
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