2026. vol. 54. no. 1

Contents
Message from the Editorial Board7
MATHEMATICS
Abbasova M. O, Ergashev T. G. Tables of the Lauricella hypergeometric functions F^{(3)}_A 9
Asha T. V. Chaluvaraju B. The neighbor degree Sum — distance index of the graph 33
Juraev B. I. On linear pursuit-evasion game problems with GGr-constraints on controls of players 44
Krishna K. M. C^{\ast}-algebraic Gauss-Lucas theorem and C^{\ast}-algebraic Sendov’s conjecture56
Krishna K. M. Product entropic uncertainty principle 64
Hamoud J., Belov A.Ya. Abdullah D., Almahalebi M. On irregularity measures in trees with Fibonacci degree sequences72
Zunnunov R. T., Bektosheva Sh. A., Parovik R.I. Tricomi Problem for a Mixed-Type Equation of the Second Kind in a Domain the Elliptic Part of Which is the First Quadrant of the Plane 93
MATHEMATICAL MODELING
Mesyanzhin A. V. Symbolic investigation and numerical experiments on a finite-difference scheme for wave processes in coaxial cylindrical shells filled with an incompressible viscous fluid 104
PHYSICS
Begmatov A., Mamatova N. T. Interaction of a rod with an external medium according to modified Winkler models124
Oke J. A. Dossa F. A. Non-Hermitian supersymmetric factorization of an effective two-particle Hamiltonian in two dimensions under a magnetic field 141
60th anniversary of Z. M. Shibzukhov154