Vol. 59, No. 12, 2023

Differential Equations

ORDINARY DIFFERENTIAL EQUATIONS

Analysis of a Multipoint Boundary Value Problem for a Nonlinear Matrix Differential Equation

A. N. Bondarev, and V. N. Laptinskii p. 1583 abstract

Existence of an Anti-Perron Effect of Change of Positive Exponents of the Linear Approximation System to Negative Ones under Perturbations of a Higher Order of Smallness

N. A. Izobov, and A. V. Il’in p. 1591 abstract

System without Characteristic Directions with a Nonanalytic Center Condition

D. N. Cherginets p. 1598 abstract

PARTIAL DIFFERENTIAL EQUATIONS

On the Smoothness of the Poisson Potential for Second-Order Parabolic Systems on the Plane

E. A. Baderko, and K. D. Fedorov p. 1613 abstract

On Exact Solutions of a Multidimensional System of Elliptic Equations with Power-Law Nonlinearities

A. A. Kosov, and E. I. Semenov p. 1627 abstract

Initial–Boundary Value Problems for Homogeneous Parabolic Systems in a Semibounded Plane Domain and Complementarity Condition

S. I. Sakharov p. 1650 abstract

On the Solvability of Linear Differential Operators on Vector Bundles over a Manifold

M. S. Smirnov p. 1664 abstract

Cauchy Problem for the Loaded Korteweg–de Vries Equation in the Class of Periodic Functions

A. B. Khasanov, and T. G. Khasanov p. 1678 abstract

Pseudodifferential Equations and Boundary Value Problems in a Multidimensional Cone

V. B. Vasil’ev p. 1691 abstract

Discrete Equations, Discrete Transformations, and Discrete Boundary Value Problems

E. B. Afanas’eva, V. B. Vasil’ev, and A. B. Kamanda Bongay p. 1698 abstract

On Singular Heat Equation

E. L. Shishkina, and A. K. Yusupova p. 1708 abstract

INTEGRAL EQUATIONS

On Asymptotics of the Spectrum of an Integral Operator with a Logarithmic Kernel of a Special Form

A. A. Polosin p. 1721 abstract

NUMERICAL METHODS

On the Features of Numerical Solution of Coefficient Inverse Problems for Nonlinear Equations of the Reaction–Diffusion–Advection Type with Data of Various Types

D. V. Lukyanenko, R. L. Argun, A. A. Borzunov, A. V. Gorbachev, V. D. Shinkarev, M. A. Shishlenin, and A. G. Yagola p. 1734 abstract

CONTROL THEORY

Searching for Parameters of a Model with the Best Local Controllability

M. A. Velishchanskiy, and V. N. Chetverikov p. 1758 abstract

Existence of Sub-Lorentzian Longest Curves

Yu. L. Sachkov p. 1769 abstract

SHORT COMMUNICATIONS

On the Existence of Feedback Control for One Fractional Voigt Model

A. V. Zvyagin, and E. I. Kostenko p. 1778 abstract

Solution of the Cauchy Problem for One Degenerate Equation with the Dzhrbashyan–Nersesyan Fractional Derivative

B. Yu. Irgashev p. 1784 abstract

On One Cauchy Problem for a Hyperbolic Differential-Difference Equation

N. V. Zaitseva p. 1787 abstract