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.
Citation:
R. S. Ismagilov, A. G. Kostyuchenko, “Spectral Asymptotics for the Sturm–Liouville Operator with Point Interaction”, Funktsional. Anal. i Prilozhen., 44:4 (2010), 14–20; Funct. Anal. Appl., 44:4 (2010), 253–258