Vol. 61, No. 5, 2025

Differential Equations

Some Variational Principles for Self-Adjoint Hamiltonian Systems

A. A. Vladimirov and E. S. Karulina p. 561 abstract

An Interior Inverse Problem with Local Derivative

Y. Khalili and H. Koyunbakan p. 576 abstract

On Various Radial Properties of a Differential System

I. N. Sergeev p. 584 abstract

Model First Boundary Value Problem for a Parabolic System in Zygmund Spaces

A. Yu. Egorova and A. N. Konenkov p. 593 abstract

Classical Solution of the First Mixed Problem for the Wave Equation in Cylindrical Domain in Odd-Dimensional Space

V. I. Korzyuk and I. I. Stolyarchuk p. 606 abstract

An Inverse Problem for Electrodynamic Equations with a Nonlinear Dependence of the Current Density on the Electric Field

V. G. Romanov p. 616 abstract

Classical Solutions of Hyperbolic Equations with Translation Operators in Lower-Order Derivatives

N. V. Zaitseva p. 627 abstract

Mathematical Modeling of Scale-Structural Failure at Program Cyclic Loading of Metals and Alloys

E. B. Zavoychinskaya, N. A. Rautian, and G. E. Lavrikov p. 650 abstract

Qualitative Studies of a Novel Three-Dimensional Fractional Integro-Differential Equation with Application in Image Representation

B. A. Miah, M. Sen, R. Murugan, and D. Gupta p. 668 abstract

Maximum Principle in the Linear Optimal-Time Control Problem

A. V. Arutyunov and M. V. Balashov p. 692 abstract

Sufficient Condition for the Consistency of a Piecewise Linear Approximation to a Nolinear Affine System

A. S. Fursov and P. A. Krylov p. 709 abstract

Numerical Solution of Integral Equations of the Third Kind with Fixed Singularities of the Kernel

N. S. Gabbasov and Z. Kh. Galimova p. 719 abstract

A Posteriori Identities for the Generalised Stokes Problem

S. I. Repin p. 730 abstract

Erratum to: On Singularities of \(A \)-Orbital Feedback Linearization of Single-Input Affine Control Systems

D. A. Fetisov p. 753 abstract