Contents

Theoretical and Mathematical Physics


Vol. 226, No. 3, 2026


Research Articles

Differential equations on manifolds and Lie algebras

V. V. Zharinov p. 373  abstract

Jacobi inversion and solutions of Hitchin systems

O. K. Sheinman p. 393  abstract

Spectral property for the 2D Zakharov–Kuznetsov equation

S. Roudenko and J. Holmer p. 404  abstract

Regular line-solitons of modified KP system and vertex operators

Conghui Li and Chuanzhong Li p. 423  abstract

Asymptotics of solutions of the Schrödinger equation with a two-dimensional quadratic inverted potential and localized right-hand side

O. O. Fedorov p. 448  abstract

Asymptotic expansion of self-consistent energy levels of the hydrogen atom in orthogonal electric and magnetic fields

A. V. Pereskokov p. 470  abstract

Three-electron first doublet in the impurity Hubbard model

S. M. Tashpulatov p. 485  abstract

Dynamics of three-dimensional localized wave packets defined by the spherical Bessel function \(\mathbf{j}_0(x)\)

S. Yu. Dobrokhotov and A. V. Tsvetkova p. 499  abstract

\(q\)-Fractional multiple trapping model for charge carrier transport in amorphous semiconductors

F. Serdouk, A. Boumali, and M. L. Benkhedir p. 523  abstract

Accelerating barotropic fluid cosmological model in \(f(R,T)\) gravity

S. K. Sahu, M. Ota, and B. K. Bishi p. 546  abstract