Point interactions with internal structure as the limit of separable potentials

DOI10.1007/BF01671003zbMath0783.47044OpenAlexW2327235570MaRDI QIDQ1174898

S. E. Cheremshantsev, Konstantin A. Makarov

Publication date: 25 June 1992

Published in: Journal of Soviet Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01671003

zbMATH Keywords

cut-off proceduregeneralized Krein resolvents in functional sectorone-center point interactions with additional internal canalrank-one non- local interactions in weak resolvent sense

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Linear operators on function spaces (general) (47B38)

Cites Work

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• Discrete and continuous boundary problems