Email this article Asymptotics of the Spectrum of a Two-dimensional Hartree Type Operator Near Upper Boundaries of Spectral Clusters. Asymptotic Solutions Located Near a Circle
- Authors: Pereskokov A.V.1,2
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Affiliations:
- National Research University “Moscow Power Engineering Institute”
- National Research University “Higher School of Economics”
- Issue: Vol 226, No 4 (2017)
- Pages: 517-530
- Section: Article
- URL: https://journals.rcsi.science/1072-3374/article/view/240010
- DOI: https://doi.org/10.1007/s10958-017-3545-7
- ID: 240010
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Abstract
We consider the eigenvalue problem for a two-dimensional perturbed resonance oscillator. The role of perturbation is played by an integral Hartree type nonlinearity, where the selfaction potential depends on the distance between points and has logarithmic singularity. We obtain asymptotic eigenvalues near the upper boundaries of spectral clusters appeared near eigenvalues of the unperturbed operator.
About the authors
A. V. Pereskokov
National Research University “Moscow Power Engineering Institute”; National Research University “Higher School of Economics”
Author for correspondence.
Email: pereskokov62@mail.ru
Russian Federation, 14, Krasnokazarmennaya St., Moscow, 111250; 20, Myasnitskaya St., Moscow, 101978
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