On the Approximation of Isolated Eigenvalues of Ordinary Differential Operators

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We extend a result of Stolz and Weidmann on the approximation of isolated eigenvalues of singular Sturm-Liouville and Dirac operators by the eigenvalues of regular operators.
4 pages

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Spectral Theory, Mathematical Physics, Primary 34L40, 34L16; Secondary 47N50, 34B20

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http://salesiana.dossiersoluciones.com/handle/123456789/159067

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0612622
 http://arxiv.org/abs/math/0612622
 Proc. Amer. Math. Soc. 136, 2473-2476 (2008)
 doi:10.1090/S0002-9939-08-09140-5

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arXiv