Vol. 214, No. 3, 2023

Theoretical and Mathematical Physics

Virasoro symmetries of a coupled rational reduced 2D Toda hierarchy

Chuanzhong Li p. 297 abstract

Multisoliton solutions of the two-component Camassa–Holm equation and its reductions

Gaihua Wang p. 308 abstract

Constrained discrete KP hierarchy: The constraint on the tau functions and gauge transformations

Jia-Qi Song, Chong Li, Ji-Peng Cheng, and Min-Ru Chen p. 334 abstract

Applications of the Sylvester equation for the lattice BKP system

Ying-ying Sun, Chen-chen Wu, and Song-lin Zhao p. 354 abstract

Nonlinear interference of solitons and waves in the magnetic domain structure

V. V. Kiselev, and S. V. Batalov p. 369 abstract

The description of generalized translation-invariant \(p\)-adic Gibbs measures for the Potts model on the Cayley tree of order three

M. Alp, Chin Hee Pah, and M. K. Saburov p. 406 abstract

The \(\pm J\) distribution in the mixed spin-\(1/2\) and \(5/2\) Blume–Capel model

E. Albayrak, and F. Ş. Özcan p. 421 abstract

A note on islands in Schwarzschild black holes

I. Ya. Aref’eva, and I. V. Volovich p. 432 abstract

Machine learning of the well-known things

V. V. Dolotin, A. Yu. Morozov, and A. V. Popolitov p. 446 abstract