Perturbations of periodic Sturm--Liouville operators

DOI10.1016/j.aim.2023.109022zbMath1520.34078arXiv2105.13186WikidataQ122809746 ScholiaQ122809746MaRDI QIDQ6368718

Gerald Teschl, Philipp Schmitz, Jussi Behrndt, Carsten Trunk

Publication date: 27 May 2021

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Sturm-Liouville theory (34B24) General spectral theory of ordinary differential operators (34L05) Perturbation theory of linear operators (47A55) General theory of ordinary differential operators (47E05) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

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