Vol. 215, No. 1, 2023

Theoretical and Mathematical Physics

On solutions of matrix soliton equations

M. A. Shumkin p. 457 abstract

Coupled KP and BKP hierarchies and the corresponding symmetric functions

Qianqian Yang, and Chuanzhong Li p. 468 abstract

Application of the trigonal curve to a hierarchy of generalized Toda lattices

Qiulan Zhao, Caixue Li, and Xinyue Li p. 495 abstract

On the integrable symplectic map and the \(N\)-soliton solution of the Toda lattice

Leilei Shi, and Dianlou Du p. 520 abstract

The Cigar soliton and the Ricci flows perturbation solutions in the two-dimensional string \(\sigma\) model

Jun Yan p. 540 abstract

Quantum Coulomb problem in a Gaussian time-dependent electric field within the path integral formalism

N. Bedida, S. Fadhel, M. Difallah, and M. T. Meftah p. 551 abstract

Khoroshkin–Tolstoy approach to quantum superalgebras

A. V. Razumov p. 560 abstract

Potts model on a Cayley tree: a new class of Gibbs measures

M. M. Rakhmatullaev, and J. D. Dehkonov p. 586 abstract