Contents

Theoretical and Mathematical Physics

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Vol. 226, No. 1, 2026

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Research Articles

Complex binomial theorem and pentagon identities

N. M. Belousov, G. A. Sarkissian, and V. P. Spiridonov p. 1  abstract

Analogue of Goeritz matrices for computation of bipartite HOMFLY–PT polynomials

A. S. Anokhina, D. V. Korzun, E. N. Lanina, and A. Yu. Morozov p. 21  abstract

Zeros of the spatially three-dimensional Pauli–Jordan–Dirac function on spatial intervals

E. A. Karatsuba p. 66  abstract

Transformation of the Lax representation of chiral-type systems

A. V. Balandin p. 77  abstract

On exact finite-gap solutions of the negative-order Korteweg–de Vries equation

G. U. Urazboev and M. M. Khasanov p. 87  abstract

The \(N\)-soliton solutions for coupled modified Yajima–Oikawa system via the Riemann–Hilbert method

Tanlin Li, Yuxuan Li, and Lin Huang p. 97  abstract

A coupled mathematical model for wind and sand dynamics

A. Khellaf, M. Benssaad, and I. Sedka p. 109  abstract

Influence of instability analysis of magnetized bounded annular cylinder with a variable magnetic field

M. H. Hendy p. 118  abstract

Group analysis of a one-dimensional kinetic equation and the moment system closure problem. From invariant relations condition to the group stratification method

A. V. Borovskikh and K. S. Platonova p. 132  abstract

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