Vol. 215, No. 2, 2023

Theoretical and Mathematical Physics

Cauchy invariants and exact solutions of nonlinear equations of hydrodynamics

A. A. Abrashkin, and E. N. Pelinovsky p. 599 abstract

Extensions of Yang–Baxter sets

V. G. Bardakov, and D. V. Talalaev p. 609 abstract

Dissipative soliton dynamics of the Landau–Lifshitz–Gilbert equation

V. M. Rothos, I. K. Mylonas, and T. Bountis p. 622 abstract

Self-oscillatory processes in a discrete \(RCL\)-line with a tunnel diode

S. D. Glyzin, and A. Yu. Kolesov p. 636 abstract

The emergence of Airy stress function in two-dimensional disordered packings of particles

D. V. Grinev p. 652 abstract

Local dynamics of the model of a semiconductor laser with delay

I. S. Kashchenko, and S. A. Kashchenko p. 658 abstract

On the problem of classifying integrable chains with three independent variables

M. N. Kuznetsova, I. T. Habibullin, and A. R. Khakimova p. 667 abstract

Stability of a stationary solution of a system of activator–inhibitor-type equations with a double-scale internal transition layer

N. T. Levashova, and D. S. Samsonov p. 691 abstract

Variational formulation of the problem on vibrations of a beam with a moving spring-loaded support

V. L. Litvinov p. 709 abstract

On unstable contrast structures in one-dimensional reaction–diffusion–advection problems with discontinuous sources

N. N. Nefedov, and A. O. Orlov p. 716 abstract

Minimizing the number of heteroclinic curves of a 3-diffeomorphism with fixed points with pairwise different Morse indices

O. V. Pochinka, and E. A. Talanova p. 729 abstract

Existence of solutions of a system of two ordinary differential equations with a modular–cubic type nonlinearity

B. V. Tishchenko p. 735 abstract