A characterization of singular Schrödinger operators on the half-line

DOI10.4153/S0008439520000958zbMath1485.34207arXiv2004.04212OpenAlexW3015632855MaRDI QIDQ5019199

Kyrylo Simonov, Lorenzo Luperi Baglini, Raffaele Scandone

Publication date: 3 January 2022

Published in: Canadian Mathematical Bulletin (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2004.04212

zbMATH Keywords

Schrödinger operatorssingular perturbationsnonstandard analysispoint interactions

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Singular perturbations for ordinary differential equations (34E15) Nonstandard operator theory (47S20) Nonstandard analysis (26E35)

Related Items (1)

Generalised solutions to linear and non-linear Schrödinger-type equations with point defect: Colombeau and non-Colombeau regimes

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