RUS  ENG
Full version
JOURNALS // Funktsional'nyi Analiz i ego Prilozheniya // Archive

Funktsional. Anal. i Prilozhen., 2010 Volume 44, Issue 4, Pages 14–20 (Mi faa3011)

This article is cited in 13 papers

Spectral Asymptotics for the Sturm–Liouville Operator with Point Interaction

R. S. Ismagilova, A. G. Kostyuchenkob

a N. E. Bauman Moscow State Technical University
b M. V. Lomonosov Moscow State University

Abstract: For the Sturm–Liouville operator with point interaction, weak asymptotics of the discrete spectrum are found. A class of operators for which zero is the unique spectrum accumulation point is specified.

Keywords: point interaction, spectrum, asymptotics, alternating sequences.

UDC: 517.98

Received: 12.05.2010

DOI: 10.4213/faa3011


 English version:
Functional Analysis and Its Applications, 2010, 44:4, 253–258

Bibliographic databases:


© Steklov Math. Inst. of RAS, 2025