Ukrainian Mathematical Journal

Resonant Equations with Classical Orthogonal Polynomials. II

On the Inverse Scattering Problem for the One-Dimensional Schrödinger Equation with Increasing Potential

On the Equicontinuity of One Family of Inverse Mappings in Terms of Prime Ends

Jackson–Stechkin-Type Inequalities for the Approximation of Elements of Hilbert Spaces

Almost Coconvex Approximation of Continuous Periodic Functions

Commutative Complex Algebras of the Second Rank with Unity and Some Cases of Plane Orthotropy. II

Estimates for the Entropy Numbers of the Classes Bp,θΩ$$ {B}_{p,\\theta}^{\\varOmega } $$ of Periodic Multivariable Functions in the Uniform Metric

Limit Theorems for the Solutions of Linear Boundary-Value Problems for Systems of Differential Equations

The order of coexistence of homoclinic trajectories for the maps of an interval

On the Generalization of Some Hermite–Hadamard Inequalities for Functions with Convex Absolute Values of the Second Derivatives Via Fractional Integrals

On the Asymptotics of Solutions of Second-Order Differential Equations with Rapidly Varying Nonlinearities

On the Cèsaro and Copson Norms of Nonnegative Sequences

Structural Stability of Matrix Pencils and Matrix Pairs Under Contragredient Equivalence

Differential Operators Specifying the Solution of an Elliptic Iterated Equation

Evaluation of the Weighted Level of Damping of Bounded Disturbances in Descriptor Systems

Investigation of Systems of Differential Equations with Delays and Constraints Imposed on the Derivatives of Solutions

Piecewise-Polynomial Approximations for the Solutions of Impulsive Differential Equations

Application of Dzyadyk’s Polynomial Kernels in the Constructive Function Theory

Existence of Positive Solutions for a Coupled System of Nonlinear Fractional Differential Equations

Contact CR-Warped Product of Submanifolds of the Generalized Sasakian Space Forms Admitting a Nearly Trans-Sasakian Structure

Antinormal Composition Operators on the L 2 -Space of an Atomic Measure Space

Stochastic Differential Equations for Eigenvalues and Eigenvectors of a G -Wishart Process with Drift

On One Homogeneity Test Based on the Kernel-Type Estimators of the Distribution Density

On the Law of Iterated Logarithm for the Maximum Scheme in Ideal Banach Spaces

Correction to: Approximation by Interpolation Trigonometric Polynomials in Metrics of the Space Lp on the Classes of Periodic Entire Functions

On the Solvability of a Finite Group with S-Seminormal Schmidt Subgroups

On The Problem for A Mixed-Type Degenerate Equation with Caputo and Erdélyi–Kober Operators of Fractional Order

Mapping Properties for Convolution Involving Hypergeometric Series

Characterization of Weakly Berwald Fourth-Root Metrics

Correctness of the Nonlocal Boundary-Value Problem with Constant Coefficient for a Nonlinear Mixed-Type Equation of the Second Kind and Second Order in the Space

Third Boundary-Value Problem for a Third-Order Differential Equation with Multiple Characteristics

On the Estimates of Widths of the Classes of Functions Defined by the Generalized Moduli of Continuity and Majorants in the Weighted Space L 2 ,x (0 , 1)

Infinite-Dimensional Version of the Friedrichs Inequality

On the Approximation of Functions by Polynomials and Entire Functions of Exponential Type

Bernstein–Walsh-Type Polynomial Inequalities in Domains Bounded by Piecewise Asymptotically Conformal Curve with Nonzero Inner Angles in the Bergman Space

On One Theorem of G. Freud

Procedure of Stochastic Approximation for the Diffusion Process with Semi-Markov Switchings

Green’s Functional for Higher-Order Ordinary Differential Equations with General Nonlocal Conditions and Variable Principal Coefficient

Problem of Shadow in the Lobachevskii Space

Singular Integral Equation Equivalent in the Space of Smooth Functions to an Ordinary Differential Equation, Method of Successive Approximations for the Construction of Its Smooth Solutions and Its Nonsmooth Solutions

On the Joint Approximation of a Function and its Derivatives in the Mean

Correction to: Lagrange Stability and Instability of Irregular Semilinear Differential-Algebraic Equations and Applications

On the Solvability of the Main Inverse Problem for Stochastic Differential Systems

New General Solutions of Ordinary Differential Equations and The Methods for The Solution of Boundary-Value Problems

Superfractality of the Set of Incomplete Sums of One Positive Series

A Multivalued Discrete System and Its Properties

Global Existence Results for Neutral Functional Differential Inclusions with State-Dependent Delay