On location of spectra of unbounded operators in the right half-plane

DOI10.1007/s13370-020-00784-3zbMath1463.47019OpenAlexW3017762040MaRDI QIDQ2211820

Michael I. Gil'

Publication date: 13 November 2020

Published in: Afrika Matematika (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s13370-020-00784-3

zbMATH Keywords

Hilbert spaceunbounded operatorsspectrum perturbation

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Operators on Hilbert spaces (general) (47B02)

Cites Work

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• Eigenvalues of Non-selfadjoint Operators: A Comparison of Two Approaches
• Spectral Theory and Applications of Linear Operators and Block Operator Matrices
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