Abstract
We study the approximation of the discrete and continuous spectrum of singular left-definite Sturm-Liouville problems with eigenvalues of regular problems on truncated intervals.
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An erratum to this article is available at http://dx.doi.org/10.1007/BF03323022.
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Marietta, M., Zettl, A. Spectral exactness and spectral inclusion for singular left-definite Sturm-Liouville problems. Results. Math. 45, 299–308 (2004). https://doi.org/10.1007/BF03323384
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DOI: https://doi.org/10.1007/BF03323384