Perturbations of non self-adjoint Sturm-Liouville problems, with applications to harmonic oscillators

DOI10.4310/MAA.2006.V13.N1.A7zbMath1125.34068arXivmath/0406491MaRDI QIDQ864420

Laurence Nédélec

Publication date: 8 February 2007

Published in: Methods and Applications of Analysis (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0406491

zbMATH Keywords

harmonic oscillatorpseudospectrumsemiclassical Schrödinger operatorprogressive path

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) General spectral theory of ordinary differential operators (34L05) Perturbations of ordinary differential equations (34D10) Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators (34L20)

Related Items (2)

On the spectral instability of the Sturm-Liouville operator with a complex potential ⋮ Fast and accurate calculations of fourth-order non-self-adjoint Sturm-Liouville eigenvalues for problems in physics and engineering

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