Point spectrum of the schrödinger operator with point interactions at the vertices of regular N-gons

DOI10.1007/s11253-005-0061-6zbMath1085.47055OpenAlexW2089983893MaRDI QIDQ5692045

Mykola Dudkin

Publication date: 27 September 2005

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11253-005-0061-6

zbMATH Keywords

singular perturbationSchrödinger operatorpoint interactions

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) General theory of partial differential operators (47F05) Perturbation theories for operators and differential equations in quantum theory (81Q15)

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