New estimates on numerical radius and operator norm of Hilbert space operators

DOI10.3836/tjm/1502179337OpenAlexW3112917822MaRDI QIDQ831882

Mohsen Erfanian Omidvar, Hamid Reza Moradi, Mahmoud Hassani

Publication date: 24 March 2022

Published in: Tokyo Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3836/tjm/1502179337

zbMATH Keywords

operator normnumerical radiusHermite-Hadamard inequalityoperator convex function

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)

Related Items (3)

Numerical radius inequalities via triangle-type inequalities ⋮ Some new numerical radius and Hilbert-Schmidt numerical radius inequalities for Hilbert space operators ⋮ Refining the upper bound for the numerical radius of Hilbert space operators

Cites Work

• A matrix reverse Hölder inequality
• Upper and lower bounds for the numerical radius with an application to involution operators
• Log majorization and complementary Golden-Thompson type inequalities
• Some generalized numerical radius inequalities for Hilbert space operators
• BUZANO’S INEQUALITY HOLDS FOR ANY PROJECTION
• Sharpening some classical numerical radius inequalities
• A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix
• Numerical radius inequalities for Hilbert space operators
• More accurate numerical radius inequalities (I)
• Further inequalities for the numerical radius of Hilbert space operators
• More accurate numerical radius inequalities (II)
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