Spectral inclusion and spectral exactness for singular non-self-adjoint Sturm-Liouville problems
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Publication:2748146
DOI10.1098/rspa.2000.0659zbMath0992.34017arXivmath/0006218OpenAlexW2088094059WikidataQ115180792 ScholiaQ115180792MaRDI QIDQ2748146
Marco Marlettta, B. Malcolm Brown
Publication date: 4 September 2002
Published in: Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/math/0006218
Sturm-Liouville theory (34B24) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)
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