scientific article; zbMATH DE number 1320665

zbMath0928.34062MaRDI QIDQ4257092

S. A. Stepin

Publication date: 3 January 2000

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

zbMATH Keywords

spectrumeigenfunctionssingularly perturbed problemGreen function

Mathematics Subject Classification ID

Green's functions for ordinary differential equations (34B27) Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators (34L20) Linear boundary value problems for ordinary differential equations (34B05) Singular perturbations for ordinary differential equations (34E15)

Related Items (3)

Localization criterion for the spectrum of the Sturm–Liouville operator on a curve ⋮ A quasiclassical limit of the spectrum of a Schrödinger operator with complex periodic potential ⋮ WKB-approximations and spectral asymptotics in a problem of singular perturbation theory

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