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

2020, Issue 3(44)


PHYSICS
Structure formation of SiO$_2$-xerogels containing copper compounds of different phase composition
M. F. S. H. Al'-Kamali, A. A. Alekseenko, O. A. Titenkov
7
Solutions of the wave equation in parabolic rotary coordinates. I. 3D Kummer–Kummer light beams with the continuous angular index
S. S. Girgel
13
Approximate analytical method for solving the schrödinger equation with the Gaussian potential in the momentum representation
Yu. A. Grishechkin, A. V. Paulenko
18
Semiconductor photoelectric solar energy converters metrology
V. B. Zalessky, V. S. Kalinovsky, A. A. Khodin
22
Formation of composite coatings by electron beam dispersion of a mixture of iron, aluminum and PTFE in the conditions of exothermal interaction
Liu Yiming, Jicheng Wang, A. V. Rogachev, O. A. Sarkisov, M. A. Yarmolenko, A. S. Rudenkov
30
Structure and mechanical properties of composite titanium-carbon coatings formed by the combined method
E. A. Kulesh, A. V. Rogachev, D. G. Piliptsov, Xiaohong Jiang, N. N. Fedosenko
35
Investigation of the process of laser splitting of two-layer structures of silicon plates and glass substrates
Yu. V. Nikitjuk
44
Features of the formation of coatings of metal oxides from the active gas phase under conditions of electron-initiated endothermic processes
A. V. Rogachev, V. A. Emelyanov, Liu Yiming, M. A. Yarmolenko, A. S. Rudenkov
50

MATHEMATICS
On skew elements in polyadic groups of special form defined by cyclic substitution
A. M. Gal'mak
55
$\mathfrak{H}_p\mathfrak{H}_q$-convex functions and generalization of the Hölder, Minkowski, and Muirhead inequalities
S. M. Gorsky, V. I. Murashka
61
Finite simple groups all the maximal subgroups of which have $3'$-index
S. F. Kamornikov, V. N. Tyutyanov
67
Stationary distribution of Jackson networks with an exponential constraint on the sojourn time of claims
Yu. V. Malinkovskii, V. A. Niamilastsivaya
73
Finite groups with restrictions on the Schmidt subgroups
V. M. Sel'kin, I. V. Blisnets
78
A criterion for the existence and uniqueness of polyorthogonal polynomials of the first type
A. P. Starovoitov, N. V. Ryabchenko, A. A. Drapeza
82

INFORMATION SCIENCE
Methods and means of informing applicants in “Admission committee of F. Scorina Gomel State University” software package
V. A. Korotkevich, L. I. Korotkevich, A. V. Moiseev
87
Automation of headline generation for news articles
I. V. Timokhin, N. B. Osipenko
92


© Steklov Math. Inst. of RAS, 2025