On the point spectrum of some perturbed differential operators with periodic coefficients

zbMath1176.47009arXiv0708.0854MaRDI QIDQ3626003

Igor Cialenco

Publication date: 22 May 2009

Full work available at URL: https://arxiv.org/abs/0708.0854

zbMATH Keywords

spectral theorydifferential operatorspoint spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75) General theory of ordinary differential operators (47E05) Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators (34L10)

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