On the approximation of isolated eigenvalues of ordinary differential operators
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- by Gerald Teschl
- Proc. Amer. Math. Soc. 136 (2008), 2473-2476
- DOI: https://doi.org/10.1090/S0002-9939-08-09140-5
- Published electronically: March 19, 2008
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Abstract:
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.References
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Bibliographic Information
- Gerald Teschl
- Affiliation: Faculty of Mathematics, Nordbergstrasse 15, 1090 Wien, Austria; and International Erwin Schrödinger Institute for Mathematical Physics, Boltzmanngasse 9, 1090 Wien, Austria
- Email: Gerald.Teschl@univie.ac.at
- Received by editor(s): December 21, 2006
- Received by editor(s) in revised form: February 26, 2007
- Published electronically: March 19, 2008
- Additional Notes: This research was supported by the Austrian Science Fund (FWF) under Grant No. Y330
- Communicated by: Joseph A. Ball
- © Copyright 2008
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication. - Journal: Proc. Amer. Math. Soc. 136 (2008), 2473-2476
- MSC (2000): Primary 34L40, 34L16; Secondary 47N50, 34B20
- DOI: https://doi.org/10.1090/S0002-9939-08-09140-5
- MathSciNet review: 2390515