Contents

Lobachevskii Journal of Mathematics


Vol. 46, No. 7, 2025


On Nonlinear Regularized Traces of Second-Order Differential Operators on a Star Graph

Z. Yu. Fazullin, B. E. Kanguzhin, and Z. Z. Satpaeva p. 3110  abstract

Multiple Turing Bifurcation in Reaction Diffusion System

R. I. Gabdrahmanov p. 3115  abstract

Interpolation Sequences of Pavlov–Korevaar–Dixon and Generalizations

R. A. Gaisin p. 3123  abstract

On Hilbert Spaces of Entire Functions of Exponential Type Admitting Unconditional Bases of Reproducing Kernels

K. P. Isaev, A. V. Postovalova, and R. S. Yulmukhametov p. 3130  abstract

Inverse Problem with Mixed Data for the Non-Self-Adjoint Sturm–Liouville Operator on the Half-Axis

Kh. Ishkin p. 3141  abstract

Reduction of the Growth of Entire and Subharmonic Functions

B. N. Khabibullin p. 3148  abstract

Local Renormalized Solution of Anisotropic Elliptic Equation with Variable Exponents in Nonlinearities in \(\boldsymbol{\mathbb{R}^{n}}\)

L. M. Kozhevnikova p. 3162  abstract

Some Asymptotical Properties for a Fourth-Order Differential Equation with a Spectral Parameter in Three Boundary Conditions

D. M. Polyakov p. 3182  abstract

Resonance Modes in Isochronous Systems with a Decaying Combined Excitation

O. A. Sultanov p. 3199  abstract

High-order Asymptotic Formulas for Perturbations of Eigenvalues of Hamiltonian Matrices

M. G. Yumagulov and A. S. Belova p. 3213  abstract

Hamiltonian Structures of Periodic Differential Equations with Even-Order Derivatives

M. G. Yumagulov, L. S. Ibragimova, and T. S. Oripov p. 3224  abstract

Two-dimensional Single-phase Stefan Problem for a Half-band

R. G. Zainullin and Z. Yu. Fazullin p. 3233  abstract

On a Coefficient Inverse Problem with Nonlocal Boundary Conditions for the Three-Dimensional Tricomi Equation in a Parallelepiped

S. Z. Dzhamalov and A. A. Shokirov p. 3242  abstract

On a Linear Inverse Problem with Semi-Periodic Boundary Conditions for Three-Dimensional Chaplygin Equation in an Unbounded Parallelepiped

S. Z. Dzhamalov and Kh. Sh. Turakulov p. 3259  abstract

Existence and Uniqueness a Solution to a Boundary Value Problem for the Mixed Type Equation of the Second Kind

I. P. Egorova p. 3271  abstract

Inverse Problems of Finding the Source for the Equation of Beam Vibrations, Taking into Account Its Rotational Motion During Bending

O. V. Fadeeva p. 3282  abstract

Numerical Solution of the Initial Boundary Value Problem of Stress Wave Initiation in a Granular Medium Upon Reflection of a Shock Wave Pulse From It

I. K. Gimaltdinov and A. S. Rodionov p. 3289  abstract

Initial-boundary Value Problem of the Transfer of a Shock Impulse Falling from a Gas into a Powdered Medium Saturated with a Gas–Liquid Mixture

I. K. Gimaltdinov, A. S. Rodionov, and O. Yu. Valiakhmetova p. 3298  abstract

On the Uniqueness of the Solution of the Neumann Problem for a Three-dimensional Equation of Mixed Type with Two Planes of Type Change in a Parallelepiped

A. A. Gimaltdinova p. 3307  abstract

Using Implicit Matrix-Free Schemes for Solving Dynamic and Static Problems of Linear Elasticity

V. I. Golubev, I. S. Nikitin, A. V. Shevchenko, V. S. Vaziulia, and I. B. Petrov p. 3313  abstract

Numerical Solution of 3D Initial-Boundary Value Problems of Seismic Exploration in Permafrost Conditions

E. K. Guseva, V. I. Golubev, and A. V. Shevchenko p. 3323  abstract

Unique Solvability and Existence of Eigenvalues for a Boundary Value Problem for a Parabolic-Hyperbolic Type Equation with a Fractional Derivative

B. I. Islomov and I. A. Akhmadov p. 3333  abstract

Multidimensional Boundary Value Problem for a High Order Fractional Derivative Equation with Mixed Boundary Conditions

Sh. G. Kasimov and A. P. Koshanov p. 3351  abstract

Boundary Value Problem on Conjugation of Reflection and Transmission of Pressure Pulse through a Wet Porous Barrier

I. G. Khusainov p. 3367  abstract

Properties of Spectral Expansions of Ordinary Differential Operators of High Order with Integral Conditions

I. S. Lomov p. 3377  abstract

Generalized \(\boldsymbol{B}\)-Derivatives with Negative Parameter of the Bessel Operator and Mean Functions Generated by the Generalized \(\boldsymbol{\mathbb{T}}\)-Pseudoshift

L. N. Lyakhov, S. A. Roshchupkin, Yu. N. Bulatov, and E. L. Sanina p. 3390  abstract

On Solutions of Singular Differential Equations Based on the Formula for the Inversion of the Radon–Kipriyanov Transform

L. N. Lyakhov, V. A. Kalitvin, and M. G. Lapshina p. 3405  abstract

Determination of Parameters of Integral Operators for the Initial Boundary Value Problem of the Theory of Viscoelasticity on Creep Curves

D. A. Prikazchikov and I. B. Petrov p. 3413  abstract

Initial Boundary Value Problem for a Degenerate Parabolic Equation in an Unbounded Domain

K. B. Sabitov p. 3420  abstract

Oscillations of Plates with Mixed Boundary Conditions at the Edges in Different Media

K. B. Sabitov and A. G. Khakimov p. 3431  abstract

Initial-Boundary Value Problems for an Equation of Mixed Parabolic-Hyperbolic Type with Characteristic Degeneration

S. N. Sidorov p. 3445  abstract

Boundary Value Problems for a Mixed Third-Order Parabolic-Hyperbolic Equation with Lower Terms

A. S. Sopuev and B. Sh. Nuranov p. 3459  abstract

Strongly Unimodal Distributions of Measure on \(\boldsymbol{\mathbb{R}}_{\boldsymbol{+}}\) with Smoothness Condition of Densities

Yu. P. Virchenko and A. M. Tewolde p. 3467  abstract

Regularized Asymptotics of the Solution of the Singularly Perturbed Cauchy Problem for the Homogeneous Schrödinger Equation with the Potential \(\boldsymbol{Q=X^{2}}\) Containing Focal Points

A. G. Yeliseev, T. A. Ratnikova, and D. A. Shaposhnikova p. 3478  abstract

Mathematical Modeling of Capillary Dilation in Microcirculation Disorders in the Microcirculatory Bed of the Human Circulatory System

E. N. Andreicheva and M. G. Khramchenkov p. 3494  abstract

Critical Values of Ionic Concentrations in the Hodgkin–Huxley Model

L. U. Bakhtieva and T. T. Nguyen p. 3502  abstract

The Topp–Leone Garima Distribution: Properties and Application

Arin Boonmeekham, Thidaporn Supapakorn, and Winai Bodhisuwan p. 3510  abstract

Optimized Amplitude Amplification for Quantum State Preparation

A. A. Chernikov, K. R. Zakharova, and S. S. Sysoev p. 3522  abstract

Evaluating the Accuracy of Sequentially Markov Coalescent Approximations for Structured Population Models

A. V. Dudkovskaia and M. A. Shishkin p. 3527  abstract

How Much Could We Trust the Inferred Neanderthal Segments?

A. V. Ilina, L. Planche, and V. L. Shchur p. 3537  abstract

Processing and Analysis of Quadratic Spectrum Approximation for Three Bounded Operators via Generalized \(\boldsymbol{\nu}\)-Convergence

S. Kamouche, H. Guebbai, M. Kurulay, and M. Ghiat p. 3545  abstract

Bilateral Least Squares Residual Power Series Method for Fractional Differential Equations

Chen Liu, Yapeng Shi, Yuqiang Feng, Jun Jiang, and Jicheng Yu p. 3556  abstract

Stokes Flow Model in a Porous Medium of a Mixed Filter Composed of Multiple Randomly Distributed Micro- and Nanofibers

R. F. Mardanov p. 3568  abstract

Widths of Some Classes of Analytic Functions in the Weighted Bergman Space

M. Sh. Shabozov and M. S. Saidusainov p. 3578  abstract

On the Subgroup Separability of the Free Product of Groups

E. V. Sokolov p. 3589  abstract

A Mathematical Model of Corruption Dynamics with Prevention Parameters

N. M. Zhabborov, S. E. Eshdavlatova, and B. E. Husenov p. 3596  abstract