Contents

Lobachevskii Journal of Mathematics


Vol. 46, No. 3, 2025


Criterion for \(k\)-Regularity of a Mapping in Terms of a Space of Measures

S. E. Allahverdiyeva, and S. A. Bogatyy p. 975  abstract

Non-degenerate Singularities of a Three-dimensional Billiard Bounded by an Ellipsoid in a Hooke Potential Field

G. V. Belozerov p. 983  abstract

Geodesics and Isometry Group of Defrise Universe as a Lie Group with Left-invariant Lorentz Metric

V. N. Berestovskii, and I. A. Zubareva p. 1001  abstract

Some Classes of Affinely Equivalent Metrics on Lie Algebras

N. Bokan, and S. Vukmirović p. 1015  abstract

On the Matching Arrangement of a Graph, Improper Weight Function Problem and Its Application

A. I. Bolotnikov, and A. A. Irmatov p. 1025  abstract

Delone Sets: Local Rules, Countable Families and Periodicity

N. P. Dolbilin p. 1040  abstract

Borsuk–Ulam Property for Graphs II: The \(\mathbb{Z}_{n}\)-Action

D. L. Gonçalves, and J. González p. 1057  abstract

The Cycle Space of the Graph of Circles for a Resolution of a Generalized Cross Graph

D. P. Ilyutko, and E. A. Protasov p. 1076  abstract

Metric Space Recognition by Gromov–Hausdorff Distances to Simplexes

A. O. Ivanov, E. A. Lychagina, and A. A. Tuzhilin p. 1087  abstract

Liouville Foliations of Confocal Billiard Books with Elliptic Boundaries

V. A. Kibkalo, M. A. Nikulin, and V. V. Vedyushkina p. 1098  abstract

Bifurcation Analysis and Dynamical Phenomena in the Problem of the Rolling Motion of a Dynamically Symmetric Spherical Top with One Nonholonomic Constraint

A. A. Kilin, and T. B. Ivanova p. 1113  abstract

Study of the Existence and Uniqueness of Polygonal Minimal Surfaces

A. A. Klyachin, and V. A. Klyachin p. 1139  abstract

New Techniques for Calculation of Jordan–Kronecker Invariants for Lie Algebras and Lie Algebra Representations

I. K. Kozlov p. 1151  abstract

On Skein Invariants

I. Nikonov p. 1171  abstract

Weak Solvability of the Initial Boundary Value Problem for the Voigt Model with a Smoothed Jaumann Time Derivative Taking into Account the Memory of Fluid Motion

V. G. Zvyagin, A. V. Zvyagin, V. P. Orlov, and M. V. Turbin p. 1183  abstract

Investigation of a Coupled System of Nonlinear Fractional Langevin Equations with Nonlocal Coupled Integral Boundary Conditions

Bashir Ahmad, Hafed A. Saeed, Ahmed Alsaedi, and Juan J. Nieto p. 1207  abstract

Invariant Submanifolds of Kenmotsu-like Statistical Manifolds

M. B. Kazemi Balgeshir, S. Norouzi, and M. Ilmakchi p. 1223  abstract

On Axiomatics of Symmetric and Asymmetric Concrete Logics

A. M. Bikchentaev, Khattab Fawwaz, and Muntadher Mohamed Ali p. 1229  abstract

An Inverse Problem of Determining the Kernel of a Fractional Pseudo-Integro-Differential Equation

D. K. Durdiev, and H. B. Elmuradova p. 1237  abstract

The Coding Theorems for Linear Orders

A. N. Frolov p. 1251  abstract

Linear Homogeneous Inequalities and Trajectory Routes of the Degenerate Lotka–Volterra Operators

R. N. Ganikhodzhaev, D. B. Eshmamatova, D. D. Akhmedova, and U. R. Muminov p. 1257  abstract

Weighted Riemann Zeta Function Limits on the Real Axis

J. F. Geurdes p. 1266  abstract

Analysis of Exploding Solutions of an Infinite-Dimensional Linear Hamiltonian System in Phase Space Extensions

V. A. Glazatov, and V. Zh. Sakbaev p. 1271  abstract

Inverse Semigroups Generated by a Free Product of Abelian Semigroups

S. A. Grigoryan, and T. A. Grigoryan p. 1284  abstract

On Limit Automorphisms of \(C^{*}\)-Algebras

R. N. Gumerov, and E. V. Lipacheva p. 1294  abstract

Pursuit Differential Games on the 1-Skeleton of the Truncated Tetrahedron

G. I. Ibragimov, Z. I. Muminov, and M. Rakhmatov p. 1303  abstract

Generation of Artificial Images of Cross Sections of WC/Co Composite Alloys Using Diffusion Networks

D. G. Kagramanyan, and L. N. Shchur p. 1315  abstract

Functional Properties of the Bergman Kernel in the Space \({{\boldsymbol{\mathbb{C}}}^{\boldsymbol{n}}}\boldsymbol{[m\times m]}\)

G. Kh. Khudayberganov, J. Sh. Abdullayev, and U. S. Rakhmonov p. 1322  abstract

Asymptotic Behavior of Sum-functions of \(\boldsymbol{m}\)-Tuples of Uniform Spacings

Sh. M. Mirakhmedov p. 1336  abstract

Certain Completeness Properties and Mappings

S. Önal, and Ç. Vural p. 1350  abstract

Theoretical and Experimental Investigation of Elastomer (Rubber) Straight Rod under the Tension

V. N. Paimushin, S. A. Kholmogorov, and K. K. Yakubovskiy p. 1357  abstract

Length-Biased Burhan Distribution: Properties, Simulation, and Applications

Danish Qayoom, Aafaq A. Rather, and Mahfooz Alam p. 1374  abstract

Formation and Propagation of Jets Arising from Protostellar Cores Collapse

B. P. Rybakin p. 1391  abstract

Inverse Problems for a Three-dimensional Elliptic Equation for Finding the Right-hand Side with a Non-local Observation Condition

K. B. Sabitov, and S. L. Perevalova p. 1403  abstract

\(\boldsymbol{\mathfrak{B}}\)-Strong Convergence via Orlicz Function

Nilay Şahin Bayram p. 1419  abstract

A Class of Regression-type Estimators for Population Mean Utilizing Transformed Variable with Missing Data with an Application to COVID-19

Natthapat Thongsak, and Nuanpan Lawson p. 1425  abstract

Maximal Averages over Singular Hypersurfaces

Salim Usmanov, and Ismail Ekincioglu p. 1437  abstract

Inverse Problem for a Linear Equation with the Quadrat of Gerasimov–Caputo Fractional Analogue of the Pseudoparabolic Operator and Degeneration

T. K. Yuldashev, and R. M. Madrakhimov p. 1444  abstract