activity
20242026
collaborators

9 papers

math.SP2026

Uniform stability for the matrix inverse Sturm-Liouville problems

Natalia P. Bondarenko

In this paper, the uniform stability of the inverse spectral problem is proved for the matrix Sturm-Liouville operator on a finite interval. Namely, we describe the sets of spectra…

math.SP2026

Uniform stability of the inverse Sturm-Liouville problem on a star-shaped graph

E. E. Chitorkin, N. P. Bondarenko

In this paper, we study the inverse spectral problem for the Sturm-Liouville operators on a star-shaped graph, which consists in the recovery of the potentials from specral data or…

math.SP2025

Third-order differential operators with a second-order distribution coefficient

Natalia P. Bondarenko

In this paper, we study differential operators associated with the formal expression with distribution coefficient , whe…

math.SP2025

Stability of the inverse Sturm-Liouville problem on a quantum tree

Natalia P. Bondarenko

This paper deals with the Sturm-Liouville operators with distribution potentials of the space on a metric tree. We study an inverse spectral problem that consists in the…

math.SP2025

Stability of the inverse Sturm-Liouville problem on a graph with a cycle

Natalia P. Bondarenko

In this paper, the Sturm-Liouville operators on a graph with a cycle are considered. We study the inverse spectral problem, which consists in the recovery of the potentials from se…

math.SP2025

Quasiperiodic inverse Sturm-Liouville problem

Natalia P. Bondarenko

In this paper, the Sturm-Liouville problem with nonseparated quasiperiodic boundary conditions is considered. We study the recovery of the problem parameters from the Hill-type dis…