scientific article; zbMATH DE number 7811223

MaRDI QIDQ6200263

Messaoud Guesba, Kallol Paul, Pintu Bhunia

Publication date: 29 February 2024

Full work available at URL: https://www.heldermann.de/JCA/JCA31/JCA311/jca31013.htm

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

zbMATH Keywords

semi-inner productpositive operatorseminorm\(A\)-numerical radius

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Numerical range, numerical radius (47A12) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Metric properties of projections in semi-Hilbertian spaces
• Development of inequalities and characterization of equality conditions for the numerical radius
• Upper and lower bounds for the numerical radius with an application to involution operators
• Quasi-isometries in semi-Hilbertian spaces
• Numerical radius and operator norm inequalities
• New upper bounds for the numerical radius of Hilbert space operators
• Improvement of \(A\)-numerical radius inequalities of semi-Hilbertian space operators
• Some generalizations of \(A\)-numerical radius inequalities for semi-Hilbert space operators
• Some \(\mathbb{A}\)-numerical radius inequalities for \(d\times d\) operator matrices
• Lectures on numerical radius inequalities
• Seminorm and numerical radius inequalities of operators in semi-Hilbertian spaces
• Refinements of \(A\)-numerical radius inequalities and their applications
• \(A\)-numerical radius inequalities for semi-Hilbertian space operators
• Partial isometries in semi-Hilbertian spaces
• An elementary proof of the power inequality for the numerical radius
• \(A\)-partial isometries and generalized inverses
• \(A\)-numerical radius orthogonality and parallelism of semi-Hilbertian space operators and their applications
• On upper and lower bounds of the numerical radius and an equality condition
• Numerical radius inequalities for Hilbert space operators
• On 𝔸-numerical radius inequalities for 2 × 2 operator matrices
• Some improvements of numerical radius inequalities of operators and operator matrices
• On inequalities for A-numerical radius of operators
• Numerical radius inequalities for Hilbert space operators. II
• Inequalities for the Numerical Radius of Linear Operators in Hilbert Spaces
• On Majorization, Factorization, and Range Inclusion of Operators on Hilbert Space
• Joint A-hyponormality of operators in semi-Hilbert spaces
• Generalizations of numerical radius inequalities related to block matrices
• On generalized Davis-Wielandt radius inequalities of semi-Hilbertian space operators