An Inequality for some Nonnormal Operators--Extension to Normal Approximate Eigenvalues

DOI10.2307/2160139zbMath0783.47027OpenAlexW4243593805MaRDI QIDQ4201627

Takayuki Furuta, Masatoshi Fujii, Yuki Seo

Publication date: 1 September 1993

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2160139

zbMATH Keywords

selfadjoint operatorsdominant operatorsnormal approximate eigenvalues

Mathematics Subject Classification ID

Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Linear operator inequalities (47A63) Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) Eigenvalue problems for linear operators (47A75) Representation theory of linear operators (47A67)

Related Items (3)

Simultaneous extensions of Selberg and Buzano inequalities ⋮ On pseudospectral radii of operators on Hilbert spaces ⋮ On variance and covariance for bounded linear operators

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