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Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
Tome 20 (2020)
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Sommaire du
Fascicule no. 1
Quasi-polynomials of Capelli.~II
S. Yu. Antonov
;
A. V. Antonova
p. 4-16
Asymptotics of solutions of some integral equations connected with differential systems with a singularity
M. Yu. Ignatiev
p. 17-28
On the geometry of three-dimensional pseudo-Riemannian homogeneous spaces.~I
N. P. Mozhey
p. 29-41
On definability of universal graphic automata by their input symbol semigroups
V. A. Molchanov
;
R. A. Farakhutdinov
p. 42-50
The principle of localization at the class of functions integrable in the Riemann for the processes of Lagrange--Sturm--Liouville
A. Yu. Trynin
;
E. D. Kireeva
p. 51-63
Thin film thermocapillary motion of~binary alcohol-containing solution
N. Ivanova
;
K. A. Borodina
p. 64-78
Investigation of strength and buckling of orthotropic conical shells and conical panels
E. O. Lapina
;
A. A. Semenov
p. 79-92
Quaternion models and algorithms for solving the general problem of optimal reorientation of spacecraft orbit
I. A. Pankratov
;
Ya. G. Sapunkov
;
Yu. N. Chelnokov
p. 93-104
Construction of all minimal edge extensions of the graph with isomorphism rejection
M. B. Abrosimov
;
H. H. K. Sudani
;
A. A. Lobov
p. 105-115
The study of the statistical characteristics of the text based on the graph model of the linguistic corpus
E. G. Grigorieva
;
V. A. Klyachin
p. 116-126
Modeling the dynamics of massless charge carries is two-dimensional system
S. A. Levenets
;
T. T. Verevin
;
A. V. Makhankov
;
A. D. Panferov
;
S. O. Pirogov
p. 127-137
Sommaire du
Fascicule no. 2
The external estimate of the compact set by Lebesgue set of the convex function
V. V. Abramova
;
S. I. Dudov
;
M. A. Osiptsev
p. 142-153
Symmetrization in clean and nil-clean rings
P. V. Danchev
p. 154-160
On the positive solutions of a model system of nonlinear ordinary differential equations
M. M. Kobilzoda
;
A. N. Naimov
p. 161-171
On the geometry of three-dimensional pseudo-Riemannian homogeneous spaces.~II
N. P. Mozhey
p. 172-184
On one exceptional case of the first basic three-element Carleman-type boundary value problem for bianalytic functions in a circle
N. R. Perelman
p. 185-192
Unsteady electromagnetic elasticity of piezoelectrics considering diffusion
N. A. Zverev
;
A. V. Zemskov
;
D. V. Tarlakovskii
p. 193-204
Influence of convolution kernel and beam-hardening effect on the assessment of trabecular bone mineral density using quantitative computed tomography
D. V. Ivanov
;
I. V. Kirillova
;
L. Yu. Kossovich
;
L. V. Bessonov
;
A. V. Petraikin
;
A. V. Dol
;
E. S. Ahmad
;
S. P. Morozov
;
A. V. Vladzymyrskyy
;
K. A. Sergunova
;
A. V. Kharlamov
p. 205-219
Mathematical modeling of deposits accumulation on the plastic biliary stent surface for predicting its occlusion
A. G. Kuchumov
p. 220-231
Single waves in a gas-liquid bubble mixture
V. Sh. Shagapov
;
M. N. Galimzyanov
;
U. O. Agisheva
p. 232-240
Survival rate of model populations depending on the strategy of energy exchange between the organisms
E. E. Ivanko
;
S. M. Chervinsky
p. 241-256
Markov chain states classification in a tandem model with a cyclic service algorithm with prolongation
V. M. Kocheganov
p. 257-265
An analysis method of open queueing networks with a degradable structure and instantaneous repair times of systems
I. E. Tananko
;
N. P. Fokina
p. 266-276
Sommaire du
Fascicule no. 3
On semigroups of relations with the operation of left and right rectangular products
D. A. Bredikhin
p. 280-289
On customary spaces of Leibniz--Poisson algebras
S. M. Ratseev
;
O. I. Cherevatenko
p. 290-296
New method for investigating the Hilbert boundary value problem with an infinite logarithmic order index
R. B. Salimov
;
E. N. Khasanova
p. 297-309
On the approximate solution of a class of weakly singular integral equations
E. H. Khalilov
p. 310-325
Smooth approximations in
$C[0, 1]$
S. A. Chumachenko
p. 326-342
On determination of functional-differential pencils on closed sets from the Weyl-type function
V. A. Yurko
p. 343-350
Hydroelastic response of a sandwich plate possessing a compressible core and interacting with a rigid die via a viscous fluid layer
T. V. Bykova
;
E. D. Grushenkova
;
V. S. Popov
;
A. A. Popova
p. 351-366
Ternary discrete wavelet basis
M. S. Bespalov
p. 367-377
Performance analysis of elastic traffic with minimum bit rate guarantee transmission in wireless network under network slicing
A. S. Vlaskina
;
N. A. Polyakov
;
I. A. Gudkova
;
Yu. V. Gaidamaka
p. 378-387
Heterogeneous queueing system
$\mathrm{MR(S)/M(S)/}\infty$
with service parameters depending on the state of the underlying Markov chain
E. P. Polin
;
S. P. Moiseeva
;
A. N. Moiseev
p. 388-399
On a total resource amounts at the system with parallel service and MMPP arrivals
E. N. Chernishova
;
E. Yu. Lisovskaya
p. 400-410
Sommaire du
Fascicule no. 4
On the uniform convergence of the Fourier series by the system of polynomials generated by the system of Laguerre polynomials
R. M. Gadzhimirzaev
p. 416-423
$\Omega\zeta$
-foliated Fitting classes
O. V. Kamozina
p. 424-433
On some diagram assertions in preabelian and
$P$
-semi-abelian categories
Ya. A. Kopylov
p. 434-443
Mixed problem for a homogeneous wave equation with a nonzero initial velocity and a summable potential
V. P. Kurdyumov
;
A. P. Khromov
;
V. A. Khalova
p. 444-456
Subsystems and automorphisms of some finite magmas of order
$k+k^2$
A. V. Litavrin
p. 457-467
Representation of waves of displacements and micro-rotations by systems of the screw vector fields
Yu. N. Radayev
p. 468-477
The method of reconstruction of residual stresses in a prismatic specimen with a notch of a semicircular profile after advanced surface plastic deformation
V. P. Radchenko
;
D. M. Shishkin
p. 478-492
Dynamic bending of an infinite electromagnetoelastic rod
Thong D. Pham
;
D. V. Tarlakovskii
p. 493-501
Using the Mask-RCNN convolutional neural network to automate the construction of two-dimensional solid vertebral models
A. S. Beskrovny
;
L. V. Bessonov
;
D. V. Ivanov
;
I. V. Kirillova
;
L. Yu. Kossovich
p. 502-516
Masking of internal nodes faults based on applying of incompletely specified Boolean functions
A. Yu. Matrosova
;
V. A. Provkin
;
V. V. Andreeva
p. 517-526
Analysis of closed queueing networks with batch service
E. P. Stankevich
;
I. E. Tananko
;
V. I. Dolgov
p. 527-533
Asymptotic analysis of the MMРР|M|1 retrial queue with negative calls under the heavy load condition
E. A. Fedorova
;
A. A. Nazarov
;
M. P. Farkhadov
p. 534-547