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20102026
most citedOn recovering Sturm-Liouville operators with frozen argument from the spectrum

27 citations · 101 across the 47 of their papers we have counts for

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math.SP2026

Uniform stability of higher-order inverse spectral problems

Natalia P. Bondarenko

In this paper, the reconstruction of a linear differential operator of arbitrary order is studied by using two types of spectral characteristics: (i) eigenvalues and weig…

math.SP2026

Third-order inverse spectral problem with the three-point boundary conditions

Natalia P. Bondarenko

In this paper, we study a new inverse spectral problem that consists in the recovery of the third-order differential equation from two spectra corresponding to the boundary conditi…

math.SP2025★ 2 cited

Uniform stability for the inverse Sturm-Liouville problem with eigenparameter-dependent boundary conditions

Natalia P. Bondarenko

We consider a class of self-adjoint Sturm-Liouville problems with rational functions of the spectral parameter in the boundary conditions. The uniform stability for direct and inve…

math.SP2024

Inverse Sturm-Liouville problem with polynomials in the boundary condition and multiple eigenvalues

Egor E. Chitorkin, Natalia P. Bondarennko

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 fo…

math.SP2023

Local solvability and stability of an inverse spectral problem for higher-order differential operators

Natalia P. Bondarenko

In this paper, we for the first time prove local solvability and stability of an inverse spectral problem for higher-order () differential operators with distribution coeffi…

math.SP2023

Local solvability and stability for the inverse Sturm-Liouville problem with polynomials in the boundary conditions

Egor E. Chitorkin, Natalia P. Bondarenko

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…

math.SP2023

Regularization and inverse spectral problems for differential operators with distribution coefficients

Natalia P. Bondarenko

In this paper, we consider a class of matrix functions, which contains regularization matrices of Mirzoev and Shkalikov for differential operators with distribution coefficients of…

math.SP2023

Solving the inverse Sturm-Liouville problem with singular potential and with polynomials in the boundary conditions

Egor E. Chitorkin, Natalia P. Bondarenko

In this paper, we for the first time get constructive solution for the inverse Sturm-Liouville problem with complex-valued singular potential and with polynomials of the spectral p…

math.SP2023

Solving Barcilon's inverse problems by the method of spectral mappings

Aiwei Guan, Chuanfu Yang, Natalia P. Bondarenko

In this paper, we consider Barcilon's inverse problem, which consists of the recovery of the fourth-order differential operator from three spectra. We obtain the relationship of Ba…

math.SP2023

Inverse spectral problem for the third-order differential equation

Natalia P. Bondarenko

This paper is concerned with the inverse spectral problem for the third-order differential equation with distribution coefficient. The inverse problem consists in the recovery of t…

math.SP2022

Spectral data asymptotics for the higher-order differential operators with distribution coefficients

Natalia P. Bondarenko

In this paper, the asymptotics of the spectral data (eigenvalues and weight numbers) are obtained for the higher-order differential operators with distribution coefficients and sep…

math.SP2022★ 15 cited

Reconstruction of higher-order differential operators by their spectral data

Natalia P. Bondarenko

This paper is concerned with inverse spectral problems for higher-order () ordinary differential operators. We develop an approach to the reconstruction from the spectral da…

math.SP2022★ 21 cited

Linear differential operators with distribution coefficients of various singularity orders

Natalia P. Bondarenko

In this paper, the linear differential expression of order with distribution coefficients of various singularity orders is considered. We obtain the associated matrix for…

math.SP2022★ 9 cited

Inverse problem for a differential operator on a star-shaped graph with nonlocal matching condition

Natalia P. Bondarenko

In this paper, we develop two approaches to investigation of inverse spectral problems for a new class of nonlocal operators on metric graphs. The Laplace differential operator is…

math.SP2021

A new approach to the inverse discrete transmission eigenvalue problem

Natalia P. Bondarenko, Vjacheslav A. Yurko

A discrete analog is considered for the inverse transmission eigenvalue problem, having applications in acoustics. We provide a well-posed inverse problem statement, develop a cons…

math.SP2021

Inverse spectral problems for functional-differential operators with involution

Natalia P. Bondarenko

The main goal of this paper is to propose an approach to inverse spectral problems for functional-differential operators (FDO) with involution. For definiteness, we focus on the se…

math.SP2021

Solvability and stability of the inverse problem for the quadratic differential pencil

Natalia P. Bondarenko, Andrey V. Gaidel

The inverse spectral problem for the second-order differential pencil with quadratic dependence on the spectral parameter is studied. We obtain sufficient conditions for the global…

math.SP2021★ 6 cited

Local solvability and stability of the generalized inverse Robin-Regge problem with complex coefficients

Xiao-Chuan Xu, Natalia Pavlovna Bondarenko

We prove local solvability and stability of the inverse Robin-Regge problem in the general case, taking eigenvalue multiplicities into account. We develop the new approach based on…

math.SP2020

Spectral data characterization for the Sturm-Liouville operator on the star-shaped graph

Natalia P. Bondarenko

The inverse spectral problems are studied for the Sturm-Liouville operator on the star-shaped graph and for the matrix Sturm-Liouville operator with the boundary condition in the g…

math.SP2020

Inverse problem solution and spectral data characterization for the matrix Sturm-Liouville operator with singular potential

Natalia P. Bondarenko

The matrix Sturm-Liouville operator on a finite interval with singular potential of class and the general self-adjoint boundary conditions is studied. This operator gene…

math.SP2020

Direct and inverse problems for the matrix Sturm-Liouville operator with the general self-adjoint boundary conditions

Natalia P. Bondarenko

The matrix Sturm-Liouville operator on a finite interval with the boundary conditions in the general self-adjoint form and with the singular potential from the class is…

math.SP2020

Solving an inverse problem for the Sturm-Liouville operator with a singular potential by Yurko's method

Natalia P. Bondarenko

An inverse spectral problem for the Sturm-Liouville operator with a singular potential from the class is solved by the method of spectral mappings. We prove the uniquene…

math.SP2020

Constructive solution of the inverse spectral problem for the matrix Sturm-Liouville operator

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 solut…

math.SP2020★ 2 cited

Inverse Sturm-Liouville problem with analytical functions in the boundary condition

Natalia Bondarenko

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…