Vol. 59, No. 2, 2023

Differential Equations

On One Type of Oscillating Solutions of a Second-Order Ordinary Differential Equation with a Three-Position Hysteresis Relay and a Perturbation

V. V. Yevstafyeva, A. M. Kamachkin, and D. K. Potapov p. 153 abstract

On the Spectral Properties of a Fourth-Order Self-Adjoint Operator

D. M. Polyakov p. 168 abstract

On the Gröbner Basis of the Ideal of Lyapunov Quantities of the Kukles System

A. E. Rudenok, and M. N. Vasilevich p. 174 abstract

Boundary Value Problem for an Inhomogeneous Fourth-Order Equation with Lower-Order Terms

Yu. P. Apakov, and S. M. Mamazhonov p. 188 abstract

On the Fundamental Solution of a Parabolic Equation with Dini Continuous Coefficients

E. A. Baderko, and K. V. Semenov p. 199 abstract

Finding the Two-Dimensional Relaxation Kernel of an Integro-Differential Wave Equation

D. K. Durdiev, and J. Sh. Safarov p. 214 abstract

Well-Posedness of the Generalized Samarskii–Ionkin Problem for Elliptic Equations in a Cylindrical Domain

A. I. Kozhanov, and A. V. Dyuzheva p. 230 abstract

On the Absence of Solutions of Differential Inequalities with the \(\infty \)-Laplacian

A. A. Kon’kov p. 243 abstract

Stability Criterion and Sharp Estimates for the “Super-Twisting” Algorithm

V. V. Fomichev, and A. O. Vysotskii p. 260 abstract

On the Exact Controllability of a Semilinear Evolution Equation with an Unbounded Operator

A. V. Chernov p. 265 abstract

On the Bifurcation of Thresholds of the Essential Spectrum with a Spectral Singularity

D. I. Borisov, and D. A. Zezyulin p. 278 abstract

Spectral Properties of the Generator of a Semigroup Generated by the Volterra Integro-Differential Equation

V. V. Vlasov, and N. A. Rautian p. 283 abstract

On the Solvability of a Periodic Problem for a System of Ordinary Differential Equations with the Main Positive Homogeneous Nonlinearity

E. Mukhamadiev, and A. N. Naimov p. 289 abstract