Relatively strictly singular perturbations, essential spectra, and application to transport operators

DOI10.1006/jmaa.2000.7121zbMath0976.47008OpenAlexW2148049250MaRDI QIDQ1840541

Abdelkader Dehici, Khalid Latrach

Publication date: 6 January 2002

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

Full work available at URL: https://semanticscholar.org/paper/9eaa9d2095d4bce23dc1d0f873a9a7d8a9107aae

zbMATH Keywords

invarianceessential spectrumselfadjoint operatoranisotropic scatteringdensely defined closed linear operatorabstract boundary conditionsBanach space equipped with the graph normone-dimensional transport equationsrelatively strictly singular perturbations

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Local spectral properties of linear operators (47A11)

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