ON DISCRETENESS OF SPECTRUM OF A SECOND ORDER FUNCTIONAL DIFFERENTIAL OPERATOR
- Authors: Labovskiy S.M.1
-
Affiliations:
- Plekhanov Russian University of Economics
- Issue: Vol 23, No 121 (2018)
- Pages: 5-9
- Section: Articles
- URL: https://journals.rcsi.science/2686-9667/article/view/297205
- DOI: https://doi.org/10.20310/1810-0198-2018-23-121-5-7
- ID: 297205
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Abstract
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Let L be the functional differential operator defined byAbout the authors
Sergey Mikhailovich Labovskiy
Plekhanov Russian University of Economics
Email: labovski@gmail.com
Candidate of Physics and Mathematics, Associate Professor of the Higher Mathematics Department 36 Stremyanny lane, Moscow 117997, Russian Federation
References
- Молчанов А.М. Об условиях дискретности спектра для самосопряженных уравнений второго порядка // Труды Московского математического общества. 1953. № 2. С. 169-199. Zbl 0052.10201.
- Кац И., Крейн М.Г. Критерий дискретности спектра сингулярной струны // Известия высших учебных заведений. Математика. 1958. Т. 3. № 2. С. 136-153. Zbl 0272.34094, MR139804 34.30.
- Friedrichs K. Spektraltheorie halbbeschr¨ankter operatoren und anwendung auf die spektralzerlegung von differentialoperatoren // Math. Ann. 1934. № 109. P. 465-487, 687-713. Zbl 0008.39203 & Zbl 0009.07205, MR1512905 & MR1512919.
- Labovskiy S. On the Sturm-Liouville problem for a linear singular functional-differential equation // Russ. Math. 1996. Vol. 40. № 11. P. 50-56. (English. Russian original. Translation from Iz Vyssh. Uchebn. Zaved., Mat., 1996, vol. 11, no. 414, pp. 48-53). Zbl 0909.34070, MR1442139 (97m:34120).
- Labovskiy S. On spectral problem and positive solutions of a linear singular functional-differential equation // Functional Differential Equations. 2013. Vol. 20. № 3-4. P. 179-200.
- Бирман М.Ш. О спектре сингулярных краевых задач // Мат. cб. 1961. Т. 55. № 2. С. 125-174. Zbl 0104.32601, MR142896.
- Birman M.S., Solomjak M.Z. Spectral Theory of Self-Adjoint Operators in Hilbert Space. Holland: D. Reidel Publishing Company, 1987. Zbl 0744.47017.
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