The discrete character of the spectrum of a linear two-point boundary- value problem with constraints at singular points

zbMath0789.34072MaRDI QIDQ1311595

S. V. Kurochkin

Publication date: 3 March 1994

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

singularitiesspectrumdifferential equationsestimateconstraintstwo-point boundary-value problemincrease in the eigenvalueslinear ordinary

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

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