On \(\mathbb{A}\)-numerical radius equalities and inequalities for certain operator matrices
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Publication:2043271
DOI10.1007/s43034-021-00137-6OpenAlexW3192478114MaRDI QIDQ2043271
Publication date: 30 July 2021
Published in: Annals of Functional Analysis (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s43034-021-00137-6
semi-inner productinequalitypositive operator\(\mathbb{A}\)-numerical radiuscirculant operator matrixtridiagonal operator matrix
Numerical range, numerical radius (47A12) Jacobi (tridiagonal) operators (matrices) and generalizations (47B36)
Related Items
Gaps between some spectral characteristics of direct sum of Hilbert space operators ⋮ A note on formulae for the generalized Drazin inverse of anti-triangular block operator matrices in Banach spaces ⋮ Some \(A\)-spectral radius inequalities for \(A\)-bounded Hilbert space operators ⋮ Some gap relations between operator norm with spectral and numerical radii of direct sum Hilbert space operators ⋮ Bounds for \(\mathbb{A} \)-numerical radius based on an extension of \(A\)-Buzano inequality ⋮ Generalized \(A\)-numerical radius of operators and related inequalities ⋮ Further inequalities for the \(\mathbb{A}\)-numerical radius of certain \(2 \times 2\) operator matrices
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