Contents

Theoretical and Mathematical Physics


Vol. 221, No. 3, 2024


Research Articles

Groups of diagonal gates in the Clifford hierarchy

Lingxuan Feng, and Shunlong Luo p. 2007  abstract

Equation with a lower negative time number in the Davey–Stewartson hierarchy

A. K. Pogrebkov p. 2022  abstract

Darboux transformations for the discrete versions of the KP and strict KP hierarchies

G. F. Helminck, V. A. Poberezhny, and S. V. Polenkova p. 2031  abstract

On the extended 2-dimensional Toda lattice models

Conghan Wang, Shangshuai Li, and Da-jun Zhang p. 2049  abstract

New similarity reductions and exact solutions of the Date–Jimbo–Kashiwara–Miwa equation

Dongwei Ran, and Shaowei Liu p. 2062  abstract

A multicomponent generalized nonisospectral super AKNS integrable hierarchy

Jinxiu Li, and Haifeng Wang p. 2083  abstract

Inverse scattering transform for the focusing Hirota equation with asymmetric boundary conditions

Chunjiang Wang, and Jian Zhang p. 2109  abstract

Beta-function dependence on the running coupling in holographic QCD models

I. Ya. Aref’eva, A. Hajilou, P. S. Slepov, and M. K. Usova p. 2132  abstract

Lie algebraic approach to the Hellmann Hamiltonian by considering perturbation method

H. Rahmati p. 2144  abstract

Maurer–Cartan methods in perturbative quantum mechanics

A. S. Losev, and T. V. Sulimov p. 2155  abstract

On the spectrum of the Landau Hamiltonian perturbed by a periodic smooth electric potential

L. I. Danilov p. 2165  abstract

Generating quantum dynamical mappings

R. N. Gumerov, and R. L. Khazhin p. 2177  abstract

Dynamics of a Klein–Gordon oscillator in the presence of a cosmic string in the Som–Raychaudhuri space–time

A. Bouzenada, A. Boumali, R. L. L. Vitória, and C. Furtado p. 2193  abstract

On the existence of a nonextendable solution of the Cauchy problem for a \((3+1)\)-dimensional thermal–electrical model

M. V. Artemeva, and M. O. Korpusov p. 2207  abstract