Contents

Mathematical Notes

Vol. 118, No. 3-4, 2025

Short Communications

On the Well-Posed Solvability of the Cauchy Problem for the Generalized Mainardi Equation

Hamsa Alkadi p. 427  abstract

Research Articles

Solvability of a Model Problem of Motion of a Granular Mixture

I. G. Akhmerova and A. A. Papin p. 434  abstract

A Note on the Approximation by a Sum of Two Algebras

A. Kh. Asgarova and V. E. Ismailov p. 442  abstract

Associativity and Distributivity of Analytic Functions

V. K. Beloshapka p. 450  abstract

Estimates of Entropy Numbers of the Sobolev Embedding Operator on a Hölder Domain

O. V. Besov p. 459  abstract

Kolmogorov Widths of an Intersection of Anisotropic Finite-Dimensional Balls in \(l^k_q\) for \(1\le q \le 2\)

A. A. Vasil’eva p. 472  abstract

Word Transformations Using Left Quasigroups

A. A. Veselova p. 488  abstract

Relation between Regularity of Quadratic Stochastic Operators and Associativity of Algebras Generated by These Operators

N. N. Ganikhodjaev and G. Kh. Dusmurodova p. 497  abstract

On the Uniqueness of Haar Series Converging over Subsequences of Partial Sums

G. G. Gevorkyan p. 510  abstract

A New Approach to the Complexification of Max-Stable Distributions Using Random Angles

A. A. Goldaeva and A. V. Lebedev p. 519  abstract

Solitons and Gradient Solitons on \(GRW\) Spacetimes

U. C. De and A. Sardar p. 528  abstract

On Projection from \(A^P_\Omega\) to the Hardy Spaces \(H^p\)

A. M. Jerbashian and J. E. Restrepo p. 538  abstract

On Lemniscates and Critical Points of Finite Blaschke Products

V. N. Dubinin p. 550  abstract

On the Blow-Up Result for a Viscoelastic Plate Equation with Nonlinear Frictional Damping

B. K. Kakumani and S. P. Yadav p. 556  abstract

Accelerated Algorithm for Splitting a Vector into Two Vectors with Small Uniform Norm

B. S. Kashin, I. V. Oseledets, and A. A. Rudikov p. 564  abstract

Zeros of Multi-Valued Functionals in Metric Spaces with Applications

L. V. Nguyen p. 571  abstract

A New Representation and Characterization of Riesz Bases

M. Firouzi Parizi, A. Alijani, and M. A. Dehghan p. 584  abstract

On the Counting Version of the Maximum 2-Satisfiability Problem

V. Yu. Popov p. 593  abstract

Weighted Spaces of Analytic Functions on the Upper Half-Plane with Mixed Norm Defined in Terms of the Mellin Transform and Toeplitz Operators

I. Yu. Smirnova p. 602  abstract

Density of Points of Continuity of the Distance Function for Union of Half-Spaces in Asymmetric Spaces

I. G. Tsar’kov p. 614  abstract

\(q\)-Moment Stein Kernels: Application to the Rate of Convergence in the Multidimensional CLT

H. Khanh p. 624  abstract

Algebraic Turbulent Foliations

Y. Cheung and J. Lu p. 635  abstract

On a Schrödinger Equation with Potential Barriers the Distances between Which Increase

N. I. Andronov and A. A. Fedotov p. 647  abstract

A Solution of the Open Problem on Total Irregularity of Trees with Specified Leaves

S. Ahmad, R. Farooq, and K. C. Das p. 666  abstract

Farthest Points of Bounded Closed Sets

M. V. Balashov p. 680  abstract

Application of the Gakhov–Muskhelishvili Formula for Finding the Zeros of Piecewise Analytic Functions

S. I. Bezrodnykh, P. A. Gvozdev, and N. M. Gordeeva p. 690  abstract

Existence and Asymptotic Behavior of Solutions of a Nonhomogeneous Quasilinear Schrödinger–Poisson System

Y. Wang and J. Zhang p. 697  abstract

On the Spectrality of Differential Operators with Periodic Coefficients

O. A. Veliev p. 714  abstract

Estimates for a Solution of a Multidimensional System of Ordinary Differential Equations with a Relay Nonlinearity and a Perturbation

V. V. Yevstafyeva p. 726  abstract

A Note on Relative Power Integral Basis of Number Fields Defined by \(x^n + ax^m - b\)

S. Kaur and A. Jakhar p. 744  abstract

On the Local Distribution of Elements of Subsets of the Set of Positive Integers

S. V. Konyagin p. 752  abstract

Asymptotic Formulas for Sequences Arising in the Problem of Approximating the Euler Number

A. B. Kostin and V. B. Sherstyukov p. 764  abstract

Homogenization of the Neumann Spectral Problem in a Thin Cylinder with a Periodic Family of Disturbances

S. A. Nazarov and A. S. Slutskii p. 777  abstract

Three-Dimensional Analog of the Integer-Order Hankel Transform

E. M. Novikova p. 794  abstract

On the Baire Property of the Space of Baire Indicator Functions

A. V. Osipov p. 811  abstract

Homogeneous Locally Nilpotent Derivations on Trinomial Varieties

K. A. Rassolov p. 820  abstract

Relational Description of a Closed Class of Polynomial Functions Modulo a Squared Prime

S. N. Selezneva p. 836  abstract

Lower Bounds for Additive Complexity of Linear Operators and Bilinear Algorithms for Matrix and Polynomial Multiplication over \(GF(2)\)

I. S. Sergeev p. 848  abstract

The Stagnation Phenomena of Electrohydrodynamic Waves in a Channel

T. Feng and H. Yang p. 863  abstract

The Hadamard Inequality for Log-Convex Functions

C. J. Zhao p. 871  abstract

On \(\sigma\)-Permutably Embedded and \(s\sigma\)-Quasinormal Subgroups of Finite Groups

X. Zhong, Y. Li, and W. Meng p. 878  abstract

On Best Simultaneous Approximation of Analytic Functions in the Weighted Bergman Space

M. Sh. Shabozov and D. K. Tukhliev p. 885  abstract

Short Communications

An All-Round Rectifiable Curve in a Uniformly Convex Space Generates a Dense Semigroup

P. A. Borodin, Yu. A. Skvortsov, and K. S. Shklyaev p. 895  abstract

Uniqueness of the Solution to the Problem of Two-Phase Filtration in a Poroelastic Thin Layer

P. V. Gilev p. 900  abstract

Construction of a Motive for a Logarithmic Scheme

G. A. Shuklin p. 905  abstract