An Open Problem: Accumulation of Nonreal Eigenvalues of Indefinite Sturm–Liouville Operators
Author:
Publisher
Springer Science and Business Media LLC
Subject
Algebra and Number Theory,Analysis
Link
http://link.springer.com/content/pdf/10.1007/s00020-013-2065-1.pdf
Reference5 articles.
1. Behrndt J.: On the spectral theory of singular indefinite Sturm–Liouville operators. J.Math. Anal. Appl. 334, 1439–1449 (2007)
2. Behrndt J., Katatbeh Q., Trunk C.: Accumulation of complex eigenvalues of indefinite Sturm–Liouville operators. J. Phys. A: Math. Theor. 41, 244003 (2008)
3. Ćurgus B., Langer H.: A Krein space approach to symmetric ordinary differential operators with an indefinite weight function. J. Differ. Equations 79, 31–61 (1989)
4. Karabash I.M., Trunk C.: Spectral properties of singular Sturm–Liouville operators. Proc. Roy. Soc. Edinburgh Sect. A 139, 483–503 (2009)
5. Zettl, A. (2005) Sturm–Liouville theory. AMS, Providence
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