Contents

Theoretical and Mathematical Physics


Vol. 225, No. 2, 2025


Research Articles

Well-posedness of the 2D Muskat equation with initial data in different Lebesgue spaces

A. Ouzmmou and Y. El Hadfi p. 1879  abstract

Exploring solutions for the negative-order modified Korteweg–de Vries equation with a self-consistent source corresponding to moving eigenvalues

G. U. Urazboev, I. I. Baltaeva, and Sh. E. Atanazarova p. 1896  abstract

On Darboux integrable equations with non-autonomous first-order integrals

S. Ya. Startsev p. 1910  abstract

New similarity reductions and exact solutions of the \((2+1)\)-dimensional extended Bogoyavlenskii–Kadomtsev–Petviashvili equation

Jie Han and Shaowei Liu p. 1923  abstract

Approximate symmetry analysis of modified Gardner and Camassa–Holm equations with Kuramoto–Sivashinsky perturbation: Exact solutions and graphical insights

A. Kwatra, V. Sangwan, and R. K. Gupta p. 1944  abstract

Overlaps of Bethe vectors in the model of one-dimensional bosons

N. A. Slavnov p. 1969  abstract

Transport solutions for biquaternion generalizations of Dirac and Maxwell equations at subluminal speeds and their properties

L. A. Alexeyeva and G. N. Aziz p. 1981  abstract

Stark effect in the \(SU(2)\) Yang–Coulomb problem

L. G. Mardoyan p. 1997  abstract

A note on quantum Hamiltonian reduction and anomalies

B. M. Elfimov and A. A. Sharapov p. 2007  abstract

Evolution of mirror axion solitons

P. M. Akhmetiev and M. S. Dvornikov p. 2017  abstract

On particles in five-dimensional nonstationary general relativity theory

V. V. Losyakov p. 2030  abstract

Isotropic charged compact stars in \(f(R,\mathcal T\mkern1.5mu)\) gravity: A conformal Killing vector approach to stability, exact solutions, and strange star candidates

I. G. Salako, H. S. Ahouannou, F. Mavoa, and V. A. Monwanou p. 2046  abstract