The Schrödinger operator with a \(\delta\)-potential: The case of degenerate resonances

DOI10.1007/BF02754173zbMath0976.35014MaRDI QIDQ5926586

D. V. Il'in

Publication date: 13 January 2002

Published in: Differential Equations (Search for Journal in Brave)

zbMATH Keywords

degenerate reasonancesfinite-dimensional approximationsnondegenerate resonancesremovable singular resonances

Mathematics Subject Classification ID

General topics in linear spectral theory for PDEs (35P05) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Theoretical approximation in context of PDEs (35A35) Schrödinger operator, Schrödinger equation (35J10)

Cites Work

• Rank one perturbations at infinite coupling
• Fundamental solution of the heat and Schrödinger equations with point interaction
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