scientific article; zbMATH DE number 6123773

zbMath1273.47075MaRDI QIDQ4899792

Kh. K. Ishkin

Publication date: 9 January 2013

Full work available at URL: http://mathnet.ru/eng/emj62

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zbMATH Keywords

quasi-differential operatorscontinuity of eigenvalues and eigenfunctions with respect to a parameterquadratic forms of quasi-differential operators

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) General theory of ordinary differential operators (47E05) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16) Boundary value problems on infinite intervals for ordinary differential equations (34B40) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

Related Items (3)

On analytic perturbations of a non-self-adjoint anharmonic oscillator ⋮ Asymptotics for the eigenvalues of a fourth order differential operator in a “degenerate” case ⋮ Spectral asymptotics for fourth order differential operator with two turning points

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