Norm and numerical radius inequalities for Hilbert space operators

DOI10.1080/03081087.2020.1798334OpenAlexW3046041090MaRDI QIDQ5858703

Watheq Bani-Domi, Fuad Kittaneh

Publication date: 14 April 2021

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

Full work available at URL: https://doi.org/10.1080/03081087.2020.1798334

zbMATH Keywords

triangle inequalitySchwarz inequalitynumerical radiusoperator matrixBuzano inequalityusual operator norm

Mathematics Subject Classification ID

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

Related Items (17)

Gaps between some spectral characteristics of direct sum of Hilbert space operators ⋮ Some gap relations between operator norm with spectral and numerical radii of direct sum Hilbert space operators ⋮ Some refinements of numerical radius inequalities for 2 × 2 operator matrices ⋮ Generalized upper bounds estimation of numerical radius and norm for the sum of operators ⋮ Numerical radius inequalities for the off-diagonal parts of 2 × 2 operator matrices ⋮ Bounds for \(\mathbb{A} \)-numerical radius based on an extension of \(A\)-Buzano inequality ⋮ Generalized \(A\)-numerical radius of operators and related inequalities ⋮ Further refinements of some numerical radius inequalities for operators ⋮ Inequalities for the weighted A-numerical radius of semi-Hilbertian space operators ⋮ Further Seminorm and Numerical Radius Inequalities for Products and Sums of Operators ⋮ Refinements of some numerical radius inequalities for operators ⋮ NEW BEREZIN RADIUS UPPER BOUNDS ⋮ Berezin Number and Norm Inequalities for Operators in Hilbert and Semi-Hilbert Spaces ⋮ A Chain of numerical radius inequalities in complex Hilbert space ⋮ Refined and generalized numerical radius inequalities for \(2 \times 2\) operator matrices ⋮ Improvement of \(A\)-numerical radius inequalities of semi-Hilbertian space operators ⋮ Some new refinements of generalized numerical radius inequalities for Hilbert space operators

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• Numerical radius inequalities for Hilbert space operators
• Cauchy-Schwarz type inequalities and applications to numerical radius inequalities
• Further inequalities for the numerical radius of Hilbert space operators
• Numerical radius inequalities for Hilbert space operators. II

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