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

2020, Issue 1(42)


PHYSICS
Study of two-wave interaction on a mixed reflective hologram in a (001) cut Bi$_{12}$TiO$_{20}$ crystal
M. A. Amanova, V. N. Naunyka, V. V. Shepelevich
7
Formation of tantalum oxide films on substrates with a diameter of 200 mm
N. Villa, D. A. Golosov, S. N. Melnikov, T. D. Nguyen, A. D. Golosov, E. E. Litvin, N. N. Lam
12
On the manifestation of the cosmological curvature of space in a model of a neutral fermion with three mass parameters
Ya. A. Voynova, E. M. Ovsiyuk
18
Shape and size parameters of deformed nuclei obtained on the basis of the assessed nuclear data
O. M. Deryuzhkova, A. S. Parakhnevich, M. A. Revenok
29
Thin-film solar cell with a thermoelectric layer
A. K. Esman, G. L. Zykov, V. A. Potachits
39
Integration of data from inertial, barometric, magnetometric and satellite navigation systems
K. V. Kozadaev
45
Diffraction of Bessel light beams by the surface Gulyaev–Blustein's acoustical waves in cubic piezoelectrical crystals
G. V. Kulak, G. V. Krokh, T. V. Nikolaenko, O. V. Shakin
50
Calculation of the waveguide probe for terahertz spectroscopy of a layered medium
S. S. Miheev, A. B. Sotsky, M. M. Nazarov, L. I. Sotskaya
55
Polycrystalline solar cells electrical characteristics forecasting based on their degradation models
V. V. Khoroshko, V. F. Gremenok, E. N. Shneiderov, A. S. Tereshkova, O. A. Aksenov, N. M. Bruj
61

MATHEMATICS
Finite groups with generalized $\sigma$-subnormal and $\sigma$-permutable subgroups
N. M. Adarchenko, A. N. Skiba
65
Soluble saturated formations with the $\mathcal{P}_2$ property for finite groups
S. V. Balychev, A. S. Vegera
74
The convergence rate of Hermite–Padé approximations of the three exponent system
E. P. Kechko
81
Deformation of a three-layer circular plate under cosine loading in its plane
A. V. Nestsiarovich
85

INFORMATION SCIENCE
The research of rational cutting algorithms of sheet material
O. M. Demidenko, E. A. Yakimov, D. A. Denisevich
91


© Steklov Math. Inst. of RAS, 2026