Inverse Spectral Problems for Arbitrary-Order Differential Operators with Distribution Coefficients

Natalia P. Bondarenko
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Natalia P. Bondarenko: Department of Applied Mathematics and Physics, Samara National Research University, Moskovskoye Shosse 34, 443086 Samara, Russia

Mathematics, 2021, vol. 9, issue 22, 1-17

Abstract: In this paper, we propose an approach to inverse spectral problems for the n -th order ( n ≥ 2 ) ordinary differential operators with distribution coefficients. The inverse problems which consist in the reconstruction of the differential expression coefficients by the Weyl matrix and by several spectra are studied. We prove the uniqueness of solution for these inverse problems, by developing the method of spectral mappings. The results of this paper generalize the previously known results for the second-order differential operators with singular potentials and for the higher-order differential operators with regular coefficients. In the future, the approach of this paper can be used for constructive solution and for investigation of solvability of the considered inverse problems.

Keywords: inverse spectral problems; higher-order differential operators; distribution coefficients; weyl matrix; uniqueness theorem (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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