A novel numerical radius upper bounds for 2 × 2 operator matrices

DOI10.1080/03081087.2020.1756199OpenAlexW3019802351MaRDI QIDQ5069207

Imad Jaradat, Baráa al-Husban, Mohammed Al-Dolat

Publication date: 8 April 2022

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

Full work available at URL: https://doi.org/10.1080/03081087.2020.1756199

zbMATH Keywords

numerical radiusoperator matrixoff-diagonal part

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Linear operator inequalities (47A63) Numerical range, numerical radius (47A12) Linear composition operators (47B33)

Related Items (5)

Inequalities for the weighted A-numerical radius of semi-Hilbertian space operators ⋮ Refinements of some numerical radius inequalities for operators ⋮ Further inequalities for the \(\mathbb{A}\)-numerical radius of certain \(2 \times 2\) operator matrices ⋮ New numerical radius inequalities for operator matrices and a bound for the zeros of polynomials ⋮ An extension of several essential numerical radius inequalities of \(2\times 2\) off-diagonal operator matrices

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