Nonnegative perturbations of selfadjoint operators

DOI10.1016/0022-1236(83)90007-1zbMath0505.47008OpenAlexW2072855370MaRDI QIDQ1836087

C. R. Putnam, Kevin F. Clancey

Publication date: 1983

Published in: Journal of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-1236(83)90007-1

zbMATH Keywords

absolute values of hyponormal operatorsnon-trivial non-negative perturbationunitarily equivalent to the unperturbed operator

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)

Cites Work

• Unnamed Item
• Perturbation theory for linear operators.
• On a Problem of Weyl in the Theory of Singular Sturm-Liouville Equations
• Unitary Equivalence Modulo the Trace Class for Self-Adjoint Operators
• On the perturbation of spectra

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