Contents

Theoretical and Mathematical Physics


Vol. 228, No. 2, 2026


Research Articles

Orlov–Schulman symmetries of the self-dual conformal structure equations

L. V. Bogdanov p. 1283  abstract

Integration of a mixed problem on the half-axis for the system of Kaup equations

A. B. Yakhshimuratov and O. M. Matyokubov p. 1294  abstract

Mathematical proof of spatial symmetry invariance of two-dimensional Kolmogorov flow

Shijun Liao p. 1304  abstract

Localized wave solutions of three-component defocusing Kundu–Eckhaus equation with \(4\times4\) matrix spectral problem

Yanan Wang and Min Xue p. 1315  abstract

Short pulse equation: Nonlocal symmetries and applications

Wanxin Zhang and Xiaoyong Li p. 1328  abstract

A nonisospectral Ablowitz–Ladik equation: Double Casoratian solutions and bilinearization reduction scheme

Juan Zhou, Song-lin Zhao, and Ying Shi p. 1341  abstract

Higher-order lump and semi-rational solutions for the \((2+1)\)-dimensional nonlocal Mel’nikov equation

Zhonglong Zhao and Yindi Liu p. 1359  abstract

Wave dynamics of osculating pseudo null flow from anholonomic perspective

M. Erdoğdu and A. Yavuz p. 1388  abstract

Nonlinear dynamics of the asymmetric chiral field of the \(SU(2)\) group on the semiaxis

V. V. Kiselev p. 1398  abstract

Two-dimensional zero-range potential and vacuum polarization of a scalar field

P. A. Spirin p. 1426  abstract

Emission of pairs of neutrinos by a variable field in the second Born approximation. Effective Lagrangian of the photon–neutrino interaction

V. V. Skobelev p. 1449  abstract

Asymptotics of TAMSD distributions for turbulent plasma density time series

N. S. Arkashov p. 1456  abstract

Breaching the light barrier without paradoxes

A. K. Mehta p. 1473  abstract