Vol. 222, No. 1, 2025

Theoretical and Mathematical Physics

Asymptotic integrability of nonlinear wave equations and the semiclassical limit of Lax pairs

A. M. Kamchatnov p. 1 abstract

Classification of semidiscrete equations of hyperbolic type. The case of fifth-order symmetries

R. N. Garifullin p. 10 abstract

Inverse scattering method via the Gel’fand–Levitan–Marchenko equation for some negative-order nonlinear wave equations

M. I. Ismailov, and C. Sabaz p. 20 abstract

Rogue waves of the \((2+1)\)-dimensional integrable reverse space–time nonlocal Schrödinger equation

Yindi Liu, and Zhonglong Zhao p. 34 abstract

Exact smooth and nonsmooth solutions for integro-partial differential equations by rapidly convergent approximation method

P. K. Das p. 53 abstract

Algebro-geometric quasiperiodic solutions of the nonlocal reverse space–time sine-Gordon equation

Liang Guan, Xianguo Geng, and Xue Geng p. 69 abstract

Long-time asymptotic behavior and bound state soliton solutions for a generalized derivative nonlinear Schrödinger equation

Bingshui Wang, Qiulan Zhao, and Xinyue Li p. 85 abstract

Nonlocal symmetries of the Degasperis–Procesi equation

Xiaoyong Li, and Changzheng Qu p. 106 abstract

Comparative analysis of the generalized unified method with some exact solution methods and general solutions of the Biswas–Milovic equation

T. Aydemir p. 119 abstract

Gauge transformations between reduced \(q\)-KP and reduced \(q\)-mKP hierarchies

Shilong Huang, and Chuanzhong Li p. 131 abstract

Einstein–dilaton-four–Maxwell holographic anisotropic models

I. Ya. Aref’eva, K. A. Rannu, and P. S. Slepov p. 140 abstract

Finite entangling regions and information paradox in charged black holes

A. I. Belokon p. 154 abstract

Fermionic fields in a four-dimensional \(\Lambda\) Bonnor–Melvin space–time

F. Ahmed, N. Candemir, and A. Bouzenada p. 170 abstract