Spectral Deformation in a Problem of Singular Perturbation Theory
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DOI: 10.1134/s1064562419010186
Abstract: Quasi-classical asymptotic behavior of the spectrum of a non-self-adjoint Sturm–Liouville problem is studied in the case of a one-parameter family of potentials being third-degree polynomials. For this problem, the phase-integral method is used to derive… read more here.
Keywords: problem singular; singular perturbation; perturbation theory; problem ... See more keywords