Contents

Differential Equations

Vol. 61, No. 7, 2025

ORDINARY DIFFERENTIAL EQUATIONS

Equiconvergence Theorems for Spectral Expansions for Sturm–Liouville Operators on a Finite Interval with Potential Distributions

A. M. Savchuk and I. V. Sadovnichaya p. 959  abstract

NUMERICAL METHODS

On the Construction of Difference Schemes for Calculating Viscous Gas Flows in Orthogonal Curvilinear Coordinates

M. V. Abakumov p. 1036  abstract

Operator-Difference Schemes for Systems of First-Order Integro-Differential Equations

P. N. Vabishchevich p. 1051  abstract

Mathematical Modeling of the Motion of Metal Conductors in an Electromagnetic Field with Regard to the Presence of Different Phases of the Matter Being Accelerated

M. P. Galanin and A. S. Rodin p. 1060  abstract

Identification of the Order of the Fractional Derivative in the Windkessel Model

T. M. Gamilov, Ya. Yu. Kirichenko, R. M. Yanbarisov, and D. K. Valetov p. 1076  abstract

A Fully Conservative Finite-Difference Scheme for Three-Dimensional Navier–Stokes Equations in Cylindrical Coordinates

A. O. Gusev and O. S. Mazhorova p. 1084  abstract

Numerical Solution of the Inverse Coefficient Problem for a Mathematical Model of Desorption Dynamics

A. M. Denisov and Zhu Dongqin p. 1108  abstract

Numerical Studies of a Two-Phase Hyperelastic Model

I. M. Ermakov, R. R. Polekhina, and E. B. Savenkov p. 1118  abstract

Grid-Characteristic Two-Dimensional Schemes for Dynamic Problems of Linearly Elastic Layered Media

X. Mi, V. I. Golubev, and Yu. A. Golubeva p. 1136  abstract

Internal Estimation of the Information Set of an Interval Data Based Parametric Identification Problem for Dynamical Systems

A. Yu. Morozov and D. L. Reviznikov p. 1150  abstract

Finite-Difference Integro-Interpolation Method for Discontinuous Solutions of the Usadel Equations

M. M. Khapaev and M. Yu. Kupriyanov p. 1163  abstract

Exploring the Stability Region and Designing the Operator Splitting Numerical Algorithm for the Virus Communication in Reaction Diffusion Environment

Aqib Zafar, Shahid Hussain, Xinlong Feng, and Denis Sidorov p. 1171  abstract