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JOURNALS // Problemy Fiziki, Matematiki i Tekhniki (Problems of Physics, Mathematics and Technics) // Archive

2023, Issue 3(56)


PHYSICS
Vector circular paraxial Kummer–Gauss beams. Polarization and power properties
S. S. Girgel
7
Approximate analytical solution of the one-dimensional quasipotential equation with the potential $(\rho^2+\rho_0^2)^{-1}$ in the relativistic configurational representation
Yu. A. Grishechkin, A. V. Buzhan, V. N. Kapshai
12
Acousto-optical modulation of Bessel light beams in paratellurite crystals
G. V. Kulak, T. V. Nikolaenko, P. I. Ropot, O. V. Shakin
16
Influence of composite pipe reinforcement schemes on the wave speed in case of water hammer
V. V. Mozharovsky, S. V. Kirhintsava
21
Multi-criteria optimization of quartz glass laser cutting parameters using neural network simulation and genetic algorithm
Yu. V. Nikitjuk, V. A. Prokhorenko, A. I. Kulyba
26
The thermally controlled terahertz hyperlens
I. A. Fanyaev, D. V. Slepenkov, A. Yu. Kravchenko, I. V. Semchenko, J. Li, S. A. Khakhomov
32

MATHEMATICS
Powers in $l$-ary groups of special form. II
A. M. Gal'mak
38
On the $p$-length of a finite factorizable group with given permutability conditions for subgroups of factors
E. V. Zubei, A. A. Trofimuk
44
Asymptotic analysis of G-network with many-lines systems with control and quarantine queues
D. Y. Kopats
48

TECHNICS
Portable device for quantitative tremor parameters
T. S. Bobrova, M. V. Davydov
56
Modeling of plasma-chemical etching of silicon nitride functional layer on silicon dioxide sublayer in microelectronics technologies
V. V. Emelyanov, A. N. Kupo, V. A. Emelyanov
60
Modeling of ir radiation influence on the phase composition of silicon dioxide coatings
A. N. Kupo, V. V. Emelyanov, V. A. Emelyanov
64
Investigation of the cross-correlation of spectral components of cavitation noise
V. S. Minchuk, A. Yu. Perkhunova, V. S. Gavrilyuk, N. V. Dezhkunov
69
Nonlinear mathematical model of the heat and mass transfer process in diamond thermochemical processing technologies
E. B. Shershnev
75
Determination of the properties of the anisotropic medium over hydrocarbon reserves in the mode of amplitude-modulated signals
V. F. Yanushkevich, S. V. Kalintsev, I. V. Sudzko, V. A. Bogush
81

INFORMATION SCIENCE
Blended learning technology in the study of descriptive characteristics of a statistical sample
O. M. Demidenko, A. I. Yakimov, E. A. Yakimov, K. G. Tishchenko
88
Method for calculating the adequacy parameters of image mathematical model
A. V. Sergeyenko, A. Y. Liplyanin, A. V. Khijnyak
95
Subjective aspects of digital images perceptions
Y. Zhang
100


© Steklov Math. Inst. of RAS, 2026