scientific article; zbMATH DE number 7594584

zbMath1504.47018MaRDI QIDQ5037978

Alatancang Chen, De Yu Wu, Sarina

Publication date: 29 September 2022

Full work available at URL: https://www.actamath.com/Jwk_sxxb_cn/EN/10.12386/A20220011

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Jensen's inequalitymixed Schwarz inequalityoff-diagonal block operator matricesquadratic numerical radius

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Numerical range, numerical radius (47A12) Operator matrices (47A08)

Cites Work

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• Notes on some inequalities for Hilbert space operators
• Upper bounds for numerical radius inequalities involving off-diagonal operator matrices
• Some generalizations of numerical radius on off-diagonal part of 2 × 2 operator matrices
• Numerical radius inequalities for Hilbert space operators. II
• A new concept for block operator matrices: The quadratic numerical range

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