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JOURNALS // Vestnik KRAUNC. Fiziko-Matematicheskie Nauki // Archive

2025, Volume 52, Number 3


MATHEMATICS
Generalized natural density $DF(\mathfrak{F}_k)$ of Fibonacci word
D. Abdullah, J. Hamoud
7
New extended three-variable Mittag-Leffler type functions
A. Hasanov, Kh. A. Yuldashova
24
Noncommutative spherical codes
K. M. Krishna
44
Nonlocal problem for the time-fractional hyperbolic-type equation with the Prabhakar fractional derivative
Kh. N. Turdiev
53
Fractional integral equation with involution
Liana M. Èneeva
63

MATHEMATICAL MODELING
The method of rank bush optimization for the large branched stream networks with concave objective function
M. B. Abazokov
75
Basic modes parameters and geodynamo spectral models coefficients database
G. M. Vodinchar, E. A. Kazakov, S. S. Lisyutkin
95
A two-component competition model with two different free boundaries
R. T. Zunnunov, M. S. Rasulov, R. I. Parovik
111


© Steklov Math. Inst. of RAS, 2026