Contents

Lobachevskii Journal of Mathematics


Vol. 44, No. 7, 2023


On a Solution of a Nonlinear Nonlocal Boundary Value Problem for one Class of Hyperbolic Equation

P. B. Abdimanapova, S. M. Temesheva p. 2529  abstract

Inverse Problem of Determining the Source in the Aller–Lykov Equation with a Final Redefinition

B. C. Ablabekov, A. B. Ablabekova p. 2542  abstract

Optical Solitons of Nonlinear Schrödinger Equation with Anomalous Dispersion Regime

V. Ala, U. Demirbilek p. 2551  abstract

On Purities Relative to Minimal Right Ideals

Yusuf Alagöz, Rafai̇l Ali̇zade, Engi̇n Büyükaşık, Selçuk Sağbaş p. 2557  abstract

Forward and Inverse Problems for the Barenblatt–Zheltov–Kochina Type Fractional Equations

R. R. Ashurov, Yu. E. Fayziev, N. Kh. Khushvaktov p. 2567  abstract

Approach to Creating a Thesaurus and a Knowledge Graph of an Applied Subject Area

O. M. Ataeva, Yu. N. Karnet, V. A. Serebryakov, N. P. Tuchkova p. 2577  abstract

Solution of the Finite Toda Lattice with Self-Consistent Source

B. A. Babajanov, M. M. Ruzmetov p. 2587  abstract

Analysis of Spatiotemporal Variability of the Coefficients of Stochastic Differential Equation of the Heat Fluxes in the North Atlantic in Their Modeling by Stochastic Process

K. P. Belyaev, N. P. Tuchkova p. 2601  abstract

Simulation of Hydrogen Yield During Electrolysis of Alkaline Electrolytes

V. Yu. Chebakova, L. N. Kashapov, N. F. Kashapov, R. N. Kashapov p. 2607  abstract

On Mixing Conditions in Proving the Asymptotical Normality for Harmonic Crystals

T. V. Dudnikova p. 2613  abstract

On the Interrelation of Motions of Dynamical Systems on Compact Manifolds

S. M. Dzyuba p. 2630  abstract

The Novel Generally Described Graphs for Cyclic Orthogonal Double Covers of Some Circulants

A. El-Mesady, T. Farahat, R. El-Shanawany, A. Y. Romanov, A. M. Sukhov p. 2638  abstract

Strongly Continuous Resolving Families of Operators for Equations with a Fractional Derivative

V. E. Fedorov, A. S. Skorynin p. 2651  abstract

On the Proximity of Sequences of Probability Distributions

Sh. K. Formanov p. 2660  abstract

Punctual 1-Linear Orders

A. N. Frolov, M. V. Zubkov p. 2669  abstract

Implicit Finite Element Scheme with a Penalty for a Nonlocal Parabolic Obstacle Problem of Kirchhoff Type

O. V. Glazyrina, R. Z. Dautov, E. Y. Myagkova p. 2675  abstract

Some Fixed Point Theorems in the Complex Valued Metric-Like Spaces

Amin Hosseini p. 2689  abstract

On a Modification of The Lucas Primality Test

Sh. Ishmukhametov, N. Antonov, B. Mubarakov p. 2700  abstract

On Stability and Asymptotic Stability of Solutions for a Linear Fourth Order Volterra Integro-Differential Equation on the Half-Axis

S. Iskandarov, A. T. Khalilov p. 2707  abstract

Optimization Method for Constructing a Stabilizing Effect for a Loaded Thermal Conductivity Operator

M. Jenaliyev, M. Yergaliyev, D. Taskarayeva p. 2715  abstract

On a Boundary Value Problem for a Third-Order Equation of Parabolic-Hyperbolic Type with a Fractional Order Operator

B. J. Kadirkulov, M. A. Jalilov p. 2725  abstract

Common Digital Space of Scientific Knowledge Ontology Structurization

N. E. Kalenov, I. N. Sobolevskaya, A. N. Sotnikov p. 2738  abstract

On One Integral Representation of Solutions of Polyharmonic Equation

V. V. Karachik p. 2749  abstract

The Bohr Radius of the Weighted Bloch Spaces

R. Sh. Khasyanov p. 2757  abstract

Uniform Asymptotics of Solutions to Linear Differential Equations with Holomorphic Coefficients in the Neighborhood of an Infinitely

M. V. Korovina p. 2765  abstract

Infiniteness of the Discrete Spectrum of Two-Particle Discrete Schrödinger Operators

Sh. S. Lakaev p. 2781  abstract

Numerical Solution of a Subdiffusion Equation with Variable Order Time Fractional Derivative and Nonlinear Diffusion Coefficient

A. Lapin, R. Yanbarisov p. 2790  abstract

A Subdirect Decomposition of a Semigroup of All Fuzzy Sets in a Semigroup

A. Nagy p. 2804  abstract

On the Weak Solvability of a Nonlocal Boundary Value Problem for the Laplace Equation in an Unbounded Domain

N. P. Nasibova, A. R. Safarova p. 2810  abstract

Fourth-Order Trapezoid Algorithm with Four Iterative Schemes for Nonlinear Integral Equations

Chinedu Nwaigwe, Azubuike Weli, Dang Ngoc Hoang Thanh p. 2822  abstract

Bézout Coefficients of Coprime Numbers Approximate Quadratic Bézier Curves

Benjamín A. Itzá-Ortiz, Roberto López-Hernández, Pedro Miramontes p. 2838  abstract

Refined Equations of the Theory of Composite Multilayered Shells with Transversally Soft Core under Medium Bending

V. N. Paimushin, M. V. Makarov, S. A. Kholmogorov, N. V. Levshonkova p. 2845  abstract

Sensitivity of MFG SEIR-HCD Epidemiological Model

V. Petrakova, O. Krivorotko p. 2856  abstract

Product-type Operators from General Space $\boldsymbol{F(p,q,s)}$ to $\boldsymbol{\mu}$-Bloch Spaces on the Unit Ball in $\boldsymbol{\mathbb{C}}^{\boldsymbol{n}}$

K. Poongothai, G. P. Youvaraj p. 2870  abstract

The Boundary Condition Problems for the Three-State SOS Model on the Binary Tree

M. M. Rahmatullaev, O. Sh. Karshiboev p. 2891  abstract

A Free Boundary Problem for a Predator-Prey System

M. S. Rasulov, A. N. Elmurodov p. 2898  abstract

Behavior of Trajectories of a Quadratic Operator

U. A. Rozikov, M. N. Solaeva p. 2910  abstract

On a Boundary Value Problem for a Class of Equations of Mixed Type

M. Kh. Ruziev, N. T. Yuldasheva p. 2916  abstract

Mathematical Model of Flow Past a Sphere with Modified Boundary Slip Condition

V. F. Sharafutdinov, S. K. Zaripov, R. F. Mardanov, A. K. Gilfanov p. 2930  abstract

A Criterion for Topological Sum Existence in Class of Splitting Subspaces of Inner Product Spaces

V. Sukharev p. 2942  abstract

Collapse of a Cavitation Bubble in Deuterated Tetradecane

D. Yu. Toporkov p. 2948  abstract

On Semiboolean Neat Rings

Dinesh Udar (ORCID: 0000-0001-8988-2190), Kanchan Jangra (ORCID: 0000-0002-1170-9838) p. 2956  abstract

On the Well-Posedness of a Singular Problem for Linear Differential Equations

R. E. Uteshova, Ye. V. Kokotova p. 2961  abstract

Analytical Solution of One Non-Local Problem for Hyperbolic Equation

V. B. Vasilyev, N. V. Zaitseva p. 2970  abstract

Vertical Lifts of Higher Order of Multivector Fields and Applications to Poisson Geometry

P. M. Kouotchop Wamba, G. F. Wankap Nono p. 2979  abstract

Some Classes of First-Order Integro-Differential Equations and Their Conjugate Equations

S. K. Zarifzoda, T. K. Yuldashev p. 2994  abstract