Spectral Concentration for Perturbed Equations of Harmonic Oscillator Type

DOI10.1112/S1461157000000218zbMath0953.34067OpenAlexW2327276568MaRDI QIDQ4504963

Michael S. P. Eastham, B. Malcolm Brown

Publication date: 25 September 2000

Published in: LMS Journal of Computation and Mathematics (Search for Journal in Brave)

Full work available at URL: http://www.lms.ac.uk/jcm/3/lms1999-025/

zbMATH Keywords

harmonic oscillatorperturbed equationsspectral concentration pointsSturm-Liouville potentials

Mathematics Subject Classification ID

General spectral theory of ordinary differential operators (34L05) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16)

Related Items

Eigenvalues in spectral gaps of differential operators, Analytic continuation and resonance-free regions for Sturm-Liouville potentials with power decay

Cites Work

• Spectral concentration and rapidly decaying potentials
• Spectral concentration and perturbed discrete spectra
• Introduction to spectral theory. With applications to Schrödinger operators
• On the location of spectral concentration for Sturm–Liouville problems with rapidly decaying potential