Contents

Lobachevskii Journal of Mathematics


Vol. 47, No. 3, 2026


Weighted Circular Radon Transforms

R. Aramyan p. 953  abstract

Well-Posedness of the Boundary Value Problem for the Involuntary Elliptic Equation

A. Ashyralyev p. 960  abstract

Compactness of Multidimensional Integral Operators with Homogeneous Kernels and Variable Coefficients in \(L_{p}\) Spaces with Radial Weights

O. G. Avsyankin and G. A. Tikhonova p. 978  abstract

Orthogonal Wavelet Bases on Generalized Vilenkin Groups

M. Babushkin and M. Skopina p. 991  abstract

On the Solvability of Elliptic Equations with Coefficients in \(\boldsymbol{BMO}\): An Alternative Approach to Elliptic Equations with Irregular Coefficients via Functional Analysis

Luigi D’Onofrio p. 1001  abstract

Topological Ordered Modules

F. J. Garcia-Pacheco, M. A. Moreno-Frias, Marina Murillo-Arcila, and Sakineh Rahbariyan p. 1009  abstract

Hadamard–Bergman Operators in Weighted Lebesgue and Bergman Type Spaces on the Unit Disc: an Overview of Recent Advances

Alexey N. Karapetyants and Evelyn Morales p. 1020  abstract

Numerical Method for the Inverse Scattering Problem for a Complex Potential of Compact Support

Kira V. Khmelnytskaya, Vladislav V. Kravchenko, and L. Estefania Murcia-Lozano p. 1033  abstract

Multiplicative Representation of a Class of Homogeneous Polynomials

Zalina A. Kusraeva p. 1043  abstract

A Privalov Type Property in the Wiener Algebra

E. Liflyand p. 1052  abstract

Convergence Analysis of BDF2–Galerkin Scheme for Systems Involving Nonlinear Nonlocal Diffusion Equations

J. Manimaran, A. Debbouche, and L. Shangerganesh p. 1060  abstract

On the Regularity of Generic Hausdorff-type Transformations

A. R. Mirotin p. 1074  abstract

A Hierarchical Vovk–Azoury–Warmuth Forecaster with Discounting for Online Regression in RKHS

D. B. Rokhlin p. 1083  abstract

HLLC-based Riemann Solver for the Baer–Nunziato-type Systems

P. A. Chuprov and S. V. Fortova p. 1098  abstract

Grid-characteristic Method for Systems of Hyperbolic Partial Differential Equations with Discontinuous Solutions at Material Interfaces

D. M. Egorov and N. I. Khokhlov p. 1110  abstract

Generation of Overset Chimera Meshes for Calculating Ultrasonic Waves in a Rail of Arbitrary Profile

A. V. Favorskaya, A. A. Kozhemyachenko, N. I. Nasonov, and V. I. Golubev p. 1120  abstract

Numerical Simulation of the Kolmogorov Flow under Various Boundary Conditions

S. V. Fortova, A. O. Posudnevskaya, and A. D. Ermakov p. 1133  abstract

Calculation of Seismic Resistance of Nuclear Power Plants Taking into Account the Heterogeneous Structure of Concrete

M. K. Gorkovets, A. V. Favorskaya, and I. B. Petrov p. 1142  abstract

Summation-by-Parts Finite-Difference Hydrostatic Dynamical Core for Atmospheric Model on the Cubed-Sphere Grid

G. S. Goyman, V. V. Shashkin, D. A. Markhanov, I. D. Tretyak, and Z. B. Khaidapov p. 1156  abstract

On the Influence of Thermal Density Driven Flow on the Contaminant Propagation at the Liquid Radioactive Waste Injection Site

F. V. Grigorev, V. V. Suskin, and I. V. Kapyrin p. 1176  abstract

Numerical Modeling of the Borehole Seismic Exploration in the Bazhenov Formation

E. K. Guseva and I. B. Petrov p. 1189  abstract

Rank Analysis of Flows at Low Reynolds Numbers for a Polymer Solution

M. A. Guzev, V. V. Denisenko, S. V. Fortova, and A. D. Ermakov p. 1202  abstract

Stable Numerical Solution to Multi-dimensional Nonlinear Inverse Heat Conduction Problems via Artificial Neural Networks

Dinh Nho Hào, Maxim Shishlenin, and Cong B. Van p. 1213  abstract

Stability of Difference Schemes for Time-Fractional Burgers and Fisher Equations

Le Minh Hieu and Piotr Matus p. 1233  abstract

Comparative Analysis of Explicit and Implicit Schemes for Numerical Modeling of the Selective Laser Melting Process

S. S. Kaniukova, V. I. Golubev, I. S. Nikitin, and Yu. A. Golubeva p. 1248  abstract

Tensor Decompositions for the Numerical Simulation of Rarefied Gas Flows in 3D Domains

E. K. Kornev, V. I. Golubev, and Yu. A. Golubeva p. 1261  abstract

Mathematical Modeling of a Particle Lift-off Behind a Shock Wave from a Surface with a Cavity

A. I. Lopato p. 1270  abstract

Optimal Control Model for Assessing the Economic Consequences of the Epidemic Process

V. Petrakova p. 1282  abstract

Restoring the Steady Turbulent Flow Field Based on Body Geometry and Freestream Conditions in Serial Calculations

Mikhail Petrov and Sofia Zimina p. 1294  abstract

Improving the First-order Time Approximation of a Difference Scheme by Correction of its Right-hand Side

V. Shaydurov, L. Gileva, and R. Golubev p. 1309  abstract

High-Order Splitting Approximations and Error Bounds for Matrix Exponentials

Ibrokhimbek Akramov, Tulkin Rasulov, and Ikrom Akramov p. 1317  abstract

The Lattice Variety Generated by \(\boldsymbol{L_{4}}\). I

A. O. Basheyeva and M. V. Schwidefsky p. 1326  abstract

Factorizations of Matrices with Recursive Entries and Related Topics

X. Y. Chen, A. R. Moghaddamfar, and K. Moghaddamfar p. 1335  abstract

Matrix Methods for Inverting Elements in the Group Ring RQ\({}_{\mathbf{8}}\)

Mostafa Jahangardi and Ali Iranmanesh p. 1345  abstract

The Cosine Partially Geometric Distribution

Sunisa Junnumtuam, Andrei Volodin, and Chom Panta p. 1360  abstract

New Goodness-of-fit Tools for the Kumaraswamy-G Family

C. C. Santos, J. M. Vasconcelos, and F. Gomes-Silva p. 1370  abstract

An Explicit Expression of the Richelot Isogeny through Kleinian Hyperellyptic Functions

M. S. Smirnov p. 1385  abstract

Rings Characterized via Pseudo C*-injectivity

L. V. Thuyet and T. C. Quynh p. 1404  abstract