Vol. 61, No. 11, 2025

Differential Equations

Stability of Fixed Points in Ordered Spaces. Applications to Boundary Value Problems for Hopfield-Type Equations of a Neural Network

E. S. Zhukovskiy and A. S. Patrina p. 1649 abstract

Ultimate Bounds, Equilibrium Points, and Bifurcations in a Three-Dimensional Cancer Model

A. P. Krishchenko p. 1665 abstract

On the Equivalence of Bases Consisting of Root Functions of Dirac Operators with Separated Boundary Conditions

A. M. Savchuk and I. V. Sadovnichaya p. 1681 abstract

Upper Estimates of the Perturbation Growth under Triaxial Spreading–Drain in Infinite Viscous Space

D. V. Georgievskii p. 1685 abstract

A Simple Proof of the Regularity of the p-Harmonic Functions Using the De Giorgi–Moser Techniques

Tiziano Granucci p. 1692 abstract

On Model Pseudodifferential Equations in a Multidimensional Space

V. B. Vasil’ev, H. F. Gebreslasie, and O. V. Chernova p. 1736 abstract

Reconstruction of Disturbances in a System of Differential Equations with Inaccurate Measurement of Part of the Coordinates

M. S. Blizorukova p. 1753 abstract

Generalized Solutions of Hamilton–Jacobi Equations with Fractional Coinvariant Derivatives and Time-Measurable Hamiltonian

M. I. Gomoyunov p. 1761 abstract

Algorithm of Disturbance Reconstruction for a Nonlinear Differential-Algebraic System

V. I. Maksimov and E. T. Larin p. 1781 abstract

Target Output Feedback Control Problem for a Monotone System

P. A. Tochilin p. 1799 abstract

Cascading Observer Design for Uncertain Uncontrollable Dynamical Systems

V. V. Fomichev, A. O. Vysotskii, and Ch. Qian p. 1817 abstract

Orbital Decompositions of Control Systems and Trajectory Planning

V. N. Chetverikov p. 1825 abstract