Some improvements of numerical radius inequalities of operators and operator matrices

DOI10.1080/03081087.2020.1781037OpenAlexW3036215861MaRDI QIDQ5084727

Kallol Paul, Pintu Bhunia

Publication date: 28 June 2022

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

Full work available at URL: https://arxiv.org/abs/1910.06775

zbMATH Keywords

numerical radiusoperator matrixA-adjoint operatorB-numerical radius

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Numerical range, numerical radius (47A12) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items (18)

Some \(\mathbb{A}\)-numerical radius inequalities for \(d\times d\) operator matrices ⋮ On 𝔸-numerical radius inequalities for 2 × 2 operator matrices ⋮ Some \(A\)-spectral radius inequalities for \(A\)-bounded Hilbert space operators ⋮ Refinement of seminorm and numerical radius inequalities of semi-Hilbertian space operators ⋮ Davis-Wielandt radius inequalities for off-diagonal operator matrices ⋮ Development of the Berezin number inequalities ⋮ On the Davis–Wielandt radius inequalities of Hilbert space operators ⋮ Some numerical radius inequality for several semi-Hilbert space operators ⋮ Improved bounds for the numerical radius via polar decomposition of operators ⋮ Generalized Cartesian decomposition and numerical radius inequalities ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Improvement of \(A\)-numerical radius inequalities of semi-Hilbertian space operators ⋮ On a new norm on \(\mathcal{B}(\mathcal{H})\) and its applications to numerical radius inequalities ⋮ On \(\mathbb{A}\)-numerical radius equalities and inequalities for certain operator matrices ⋮ Some generalizations of \(A\)-numerical radius inequalities for semi-Hilbert space operators ⋮ Numerical radius inequalities of \(2\times 2\) operator matrices

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