scientific article

zbMath0439.47008MaRDI QIDQ3881389

Kirti K. Oberai

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

essential spectrumspectral mapping theoremBrowder's limit point spectrum

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)

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