On the perturbation theory of instable isolated eigenvalues

DOI10.1002/mana.19740640122zbMath0331.47011OpenAlexW2037585844MaRDI QIDQ4097772

Michael Demuth

Publication date: 1974

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mana.19740640122

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

Related Items (2)

Perturbation of unstable eigenvalues of finite multiplicity ⋮ Perturbation of resonances in quantum mechanics

Cites Work

• Embedded eigenvalues and virtual poles

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