Finite-dimensional perturbations of bounded self-adjoint operators

DOI10.1016/0022-247X(78)90130-0zbMath0373.47010OpenAlexW2020567553MaRDI QIDQ1244695

K. Appert

Publication date: 1978

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-247x(78)90130-0

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

Cites Work

• Methods of intermediate problems for eigenvalues. Theory and ramifications
• On nonselfadjoint perturbations of finite rank
• Finite-dimensional perturbations of spectral problems and variational approximation methods for eigenvalue problems. Part I. Finite-dimensional perturbations
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