On the spectrum of a periodic operator with a small localized perturbation

DOI10.1070/IM2008v072n04ABEH002420zbMath1169.34056arXivmath/0609195MaRDI QIDQ5502773

Denis I. Borisov, Rustem R. Gadyl'shin

Publication date: 9 January 2009

Published in: Izvestiya: Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0609195

zbMATH Keywords

periodic operatorlocalized perturbation

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Spectrum, resolvent (47A10) General spectral theory of ordinary differential operators (34L05) General theory of ordinary differential operators (47E05) Perturbations, asymptotics of solutions to ordinary differential equations (34E10)

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