Vol. 225, No. 3, 2025

Theoretical and Mathematical Physics

Discrete symmetries of integrable differential equations

A. K. Pogrebkov p. 2067 abstract

Fractional differential generalization of the Burgers hierarchy

S. Yu. Lukashchuk p. 2077 abstract

On the smoothness of the solution of one nonlinear equation with gradient nonlinearity

A. K. Matveeva p. 2089 abstract

Tau functions of the UC hierarchy as partition functions of matrix models

Chuanzhong Li, A. D. Mironov, and A. Yu. Orlov p. 2105 abstract

On inverse variational problem for system with one degree of freedom

O. E. Zubelevich p. 2128 abstract

A combined Liouville integrable hierarchy associated with a sixth-order matrix spectral problem and its integrable reductions

Yadong Zhong, Jingjing Ge, and Yi Zhang p. 2134 abstract

Breather, rogue wave, lump, and interaction solutions of the \((2+1)\)-dimensional generalized nonlocal Mel’nikov system

Jiaqi Wang, Zhonglong Zhao, and Yindi Liu p. 2167 abstract

Soliton, breather, and rogue wave for the Lakshmanan–Porsezian–Daniel equation with self-consistent sources

Fei Li, Yehui Huang, and Yuqin Yao p. 2188 abstract

Quantization of electromagnetic field in the Schwarzschild spacetime

I. P. Volobuev, V. O. Egorov, and M. N. Smolyakov p. 2203 abstract

Fluorescence of incoherently pumped open polar quantum system driven by a nonresonant pulse

A. V. Soldatov p. 2221 abstract

Existence of three-particle bound states in optical lattice

S. N. Lakaev, Sh. I. Khamidov, and S. S. Ulashov p. 2235 abstract

Temperature dependence of the spin-flop transition in a topological antiferromagnet MnBi\(_2\)Te\(_4\)

V. V. Val’kov, A. O. Zlotnikov, and A. Gamov p. 2251 abstract