Vol. 59, No. 8, 2023

Differential Equations

Existence and Stability of Solutions with Internal Transition Layer for the Reaction–Diffusion–Advection Equation with a KPZ-Nonlinearity

N. N. Nefedov, and A. O. Orlov p. 1009 abstract

On the Monotonicity of Solutions of Nonlinear Systems with Respect to the Initial Conditions

L. I. Rodina, and M. S. Woldeab p. 1025 abstract

Solution of a Singularly Perturbed Mixed Problem on the Half-Line for a Parabolic Equation with a Strong Turning Point of the Limit Operator

A. G. Eliseev, T. A. Ratnikova, and D. A. Shaposhnikova p. 1032 abstract

The Problem of Two-Dimensional String Vibrations with a Nonlinear Condition

M. B. Zvereva p. 1050 abstract

Representation of the Green’s Function of the Dirichlet Problem for the Polyharmonic Equation in the Ball

V. V. Karachik p. 1061 abstract

Classical Solution of the First Mixed Problem for the Telegraph Equation with a Nonlinear Potential in a Curvilinear Quadrant

V. I. Korzyuk, and J. V. Rudzko p. 1075 abstract

Linear Recurrent Equations in the Space of Convex Compact Sets and the Diameters of Their Solutions

A. S. Voidelevich p. 1090 abstract

On the Fredholm Property and Solvability of a System of Integral Equations in the Transmission Problem for the Helmholtz Equation

Yu. G. Smirnov, and O. V. Kondyrev p. 1095 abstract

Interior of the Integral of a Set-Valued Mapping and Problems with a Linear Control System

M. V. Balashov p. 1105 abstract

Optimal Feedback in a Linear–Quadratic Optimal Control Problem for a Fractional-Order System

M. I. Gomoyunov, and N. Yu. Lukoyanov p. 1117 abstract

Quasidifferentiability and Uniform Observability of Linear Time-Varying Singularly Perturbed Systems

O. B. Tsekhan p. 1130 abstract

Comparing the Spectra of Oscillation Exponents of a Nonlinear System and the First Approximation System

A. Kh. Stash p. 1147 abstract