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相关论文: Solving the inverse Sturm-Liouville problem with s…

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In this paper, we for the first time prove local solvability and stability of the inverse Sturm-Liouville problem with complex-valued singular potential and with polynomials of the spectral parameter in the boundary conditions. The proof…

谱理论 · 数学 2023-09-06 Egor E. Chitorkin , Natalia P. Bondarenko

In this paper, the inverse Sturm-Liouville problem with distribution potential and with polynomials of the spectral parameter in one of the boundary conditions is considered. We for the first time prove local solvability and stability of…

谱理论 · 数学 2024-02-12 Egor E. Chitorkin , Natalia P. Bondarennko

This paper deals with the Sturm-Liouville problem that feature distribution potential, polynomial dependence on the spectral parameter in the first boundary condition, and analytical dependence, in the second one. We study an inverse…

谱理论 · 数学 2024-09-05 E. E. Chitorkin , N. P. Bondarenko

The matrix Sturm-Liouville operator on a finite interval with singular potential of class $W_2^{-1}$ and the general self-adjoint boundary conditions is studied. This operator generalizes the Sturm-Liouville operators on geometrical graphs.…

谱理论 · 数学 2020-07-16 Natalia P. Bondarenko

In the paper we propose a direct method for recovering the Sturm-Liouville potential from the Weyl-Titchmarsh $m$-function given on a countable set of points. We show that using the Fourier-Legendre series expansion of the transmutation…

经典分析与常微分方程 · 数学 2021-07-07 Vladislav V. Kravchenko , Sergii M. Torba

A variety of inverse Sturm-Liouville problems is considered, including the two-spectrum inverse problem, the problem of recovering the potential from the Weyl function, as well as the recovery from the spectral function. In all cases the…

经典分析与常微分方程 · 数学 2025-06-03 Vladislav V. Kravchenko

The inverse spectral problem is studied for the Sturm-Liouville operator with a complex-valued potential and arbitrary entire functions in one of the boundary conditions. We obtain necessary and sufficient conditions for uniqueness, and…

谱理论 · 数学 2021-09-01 Natalia Bondarenko

An inverse spectral problem is studied for the matrix Sturm-Liouville operator on a finite interval with the general self-adjoint boundary condition. We obtain a constructive solution based on the method of spectral mappings for the…

谱理论 · 数学 2020-03-05 Natalia Bondarenko

We introduce a variational algorithm, which solves the classical inverse Sturm-Liouville problem when two spectra are given. In contrast to other approaches, it recovers the potential as well as the boundary conditions without a priori…

数值分析 · 数学 2009-09-29 Norbert Roehrl

The inverse spectral problem is solved for the class of Sturm-Liouville operators with singular real-valued potentials from the space $W^{-1}_2(0,1)$. The potential is recovered via the eigenvalues and the corresponding norming constants.…

谱理论 · 数学 2007-05-23 R. O. Hryniv , Ya. V. Mykytyuk

Inverse spectral problems for Sturm-Liouville operators with nonlocal boundary conditions are studied. As the main spectral characteristics we introduce the so-called Weyl-type function and two spectra, which are generalizations of the…

谱理论 · 数学 2014-10-09 Vjacheslav Yurko , Chuan-Fu Yang

This paper deals with the Sturm-Liouville problem with singular potential of the Sobolev space $W_2^{-1}$ and polynomials of the spectral parameter in a boundary condition. We prove the uniform boundedness and the uniform stability for the…

谱理论 · 数学 2025-04-08 N. P. Bondarenko , E. E. Chitorkin

The matrix Sturm-Liouville operator with an integrable potential on the half-line is considered. We study the inverse spectral problem, which consists in recovering of this operator by the Weyl matrix. The main result of the paper is the…

谱理论 · 数学 2014-12-19 Natalia Bondarenko

This work deals with an inverse problem for the Sturm-Liouville operator with non-separated boundary conditions, one of which linearly depends on a spectral parameter. Uniqueness theorem is proved, solution algorithm is constructed and…

谱理论 · 数学 2019-03-14 Ibrahim M. Nabiev

An inverse spectral problem for the Sturm-Liouville operator with a singular potential from the class $W_2^{-1}$ is solved by the method of spectral mappings. We prove the uniqueness theorem, develop a constructive algorithm for solution,…

谱理论 · 数学 2020-05-08 Natalia P. Bondarenko

An approach for solving a variety of inverse coefficient problems for the Sturm-Liouville equation -y''+q(x)y={\lambda}y with a complex valued potential q(x) is presented. It is based on Neumann series of Bessel functions representations…

经典分析与常微分方程 · 数学 2024-10-23 Vladislav V. Kravchenko

Given a finite set of eigenvalues of a regular Sturm-Liouville problem for the equation -y{\prime}{\prime}+q(x)y={\lambda}y, the potential q(x) of which is unknown. We show the possibility to compute more eigenvalues without any additional…

经典分析与常微分方程 · 数学 2024-10-23 Vladislav V. Kravchenko

We consider Sturm-Liouville operators on geometrical graphs without cycles (trees) with singular potentials from the class $W_2^{-1}$. We suppose that the potentials are known on a part of the graph, and study the so-called partial inverse…

谱理论 · 数学 2017-11-16 Natalia P. Bondarenko

In this study, the theorem on necessary and sufficient conditions for the solvability of inverse problem for Sturm-Liouville operator with discontinuous coefficient is proved and the algorithm of reconstruction of potential from spectral…

谱理论 · 数学 2016-04-21 Döne Karahan , Khanlar. R. Mamedov

In this paper, a Sturm-Liouville boundary value problem equiped with conformable fractional derivates is considered. We give some uniqueness theorems for the solutions of inverse problems according to the Weyl function, two given spectra…

经典分析与常微分方程 · 数学 2022-03-23 A. Sinan Ozkan , İbrahim Adalar
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