scientific article

zbMath1070.47008MaRDI QIDQ3155768

S. T. Kuroda, Pavel Kurasov

Publication date: 18 January 2005

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

zbMATH Keywords

perturbation theoryKrein's resolvent formulanon-densely defined operators

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Perturbation theories for operators and differential equations in quantum theory (81Q15)

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