Volume 17 (2020)

Mathematical logic, algebra and number theory

Emelyanov D. Yu., Sudoplatov S. V.
Structure of algebras of binary formulas for polygonometrical theories with the symmetry condition, pp. 1-20. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.001

Badmaev S. A., Sharankhaev I. K.
On the classes of partial functions generated by maximal partial ultraclones, pp. 32-46. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.003

Kravtsova O. V.
On alternating subgroup A5 in autotopism group of finite semifield plane, pp. 47-50.
PDF DOI 10.33048/semi.2020.17.004

Roman'kov V. A.
Primitive elements and automorphisms of the free metabelian group of rank 3, pp. 61-76.
PDF DOI 10.33048/semi.2020.17.006

Tankeev S. G.
On algebraic isomorphisms of rational cohomology of a Künnemann compactification of the Néron minimal model, pp. 89-125.
PDF DOI 10.33048/semi.2020.17.007

Sozutov A. I., Suchkov N. M., Suchkova N. G.
On subgroups of group Lim(N), pp. 208-217. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.015

Sidorov V. V.
Isomorphisms of semirings of continuous nonnegative functions with max-addition and isomorphisms of lattices of their subalgebras, pp. 318-337. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.021

Goncharov S., Ospichev S., Ponomaryov D., Sviridenko D.
The expressiveness of looping terms in the Semantic Programming, pp. 380-394.
PDF DOI 10.33048/semi.2020.17.024

Maslyaev D. A., Chermnykh V. V.
Semirings of skew Laurent polynomials, pp. 521-533. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.033

Grechkoseeva M. A., Skresanov S. V.
On element orders in covers of L4(q) and U4(q), pp. 585-589.
PDF DOI 10.33048/semi.2020.17.037

Bildanov R. R., Goryachenko V. A., Vasil'ev A. V.
Factoring nonabelian finite groups into two subsets, pp. 683-689.
PDF DOI 10.33048/semi.2020.17.046

Markhabatov N. D., Sudoplatov S. V.
Definable families of theories, related calculi and ranks, pp. 700-714.
PDF DOI 10.33048/semi.2020.17.048

Sudoplatov S. V.
Approximations of theories, pp. 715-725.
PDF DOI 10.33048/semi.2020.17.049

Krasitskaya A. I.
Stability of the class of divisible S-acts, pp. 726-731.
PDF DOI 10.33048/semi.2020.17.050

Kravchenko A. V., Schwidefsky M. V.
On the complexity of the lattices of subvarieties and congruences. II. Differential groupoids and unary algebras, pp. 753-768.
PDF DOI 10.33048/semi.2020.17.054

Leontiev V. M.
Combinatorial problems connected with P. Hall's collection process, pp. 873-889. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.064

Computational mathematics

Shumilova V. V.
Spectrum of natural vibrations of a layered medium consisting of a Kelvin-Voigt material and a viscous incompressible fluid, pp. 21-31. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.002

Durdiev U. D.
Numerical method for determining the dependence of the dielectric permittivity on the frequency in the equation of electrodynamics with memory, pp. 179-189. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.013 [Russian, English abstract]

Bazzaev A. K.
On the stability and convergence of difference schemes for the generalized fractional diffusion equation with Robin boundary value conditions, pp. 738-752.
PDF DOI 10.33048/semi.2020.17.053

Differential equations, dynamical systems and optimal control

Eliseev A. G., Kirichenko P. V.
A solution of the singularly perturbed Cauchy problem in the presence of a «weak» turning point at the limit operator, pp. 51-60. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.005

Zikirov O. S., Kholikov D. K.
Solvability of some non-local problems for the loaded pseudoparabolic equation, pp. 77-88.
PDF DOI 10.33048/semi.2020.17.007

Fankina I. V.
On the equilibrium problem for a two-layer structure with the upper layer covering a defect tip, pp. 141-160. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.010

Urinov A. K., Karimov K. T.
Nonlocal boundary value problems for a three-dimensional elliptic equation with singular coefficients in a semi-infinite parallelepiped, pp. 161-178. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.012

Mamontov A. E., Prokudin D. A.
Passage to the limit in the Galerkin approximations of the regularized problem of three-dimensional unsteady motion of a viscous compressible heat-conducting multifluid, pp. 227-259. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.017

Voytitsky V. I., Kopachevsky N. D.
On small oscillations of three joined pendulums with cavities filled with homogeneous ideal fluids, pp. 260-299. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.018

Prokudin D. A.
Solvability of a regularized boundary-value problem for the system of equations of dynamics of mixtures of viscous compressible heat-conducting fluids, pp. 300-312.
PDF DOI 10.33048/semi.2020.17.019

Petrova A. G.
Justification of asymptotic decomposition of a solution for the problem of the motion of weak solutions of polymers near a critical point, pp. 313-317. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.020

Furtsev A. I.
The unilateral contact problem for a Timoshenko plate and a thin elastic obstacle, pp. 364-379.[Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.023

Mamontov A. E. Prokudin D. A.
Galerkin approximations in the problem of one-dimensional unsteady motion of a viscous compressible two-component fluid, pp. 406-415.
PDF DOI 10.33048/semi.2020.17.026

Yskak T.
Estimates for solutions of one class of systems of equations of neutral type with distributed delay, pp. 416-427. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.027

Abderrezak Kasri.
A viscoplastic contact problem with friction and adhesion, pp. 540-565.
PDF DOI 10.33048/semi.2020.17.035

Gainetdinova A. A., Gazizov R. K.
Integrating of systems of two second-order ordinary differential equations with a small parameter that admit four essential operators, pp. 604-614.
PDF DOI 10.33048/semi.2020.17.039

Rudoy E. M.
Asymptotic modelling of bonded plates by a soft thin adhesive layer, pp. 615-625.
PDF DOI 10.33048/semi.2020.17.040

Fayazov K. S, Khudayberganov Y. K.
Ill-posed boundary value problem for mixed type system equations with two degenerate lines, pp. 647-660. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.043

Tsvetkov D. O.
Crumbled ice on the surface of a multilayered fluid, pp. 777-801.
PDF DOI 10.33048/semi.2020.17.056

Real, complex and functional analysis

Stepanova M. A.
On automorphisms of CR-submanifolds of complex Hilbert space, pp. 126-140. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.009

Abdullaev R., Chilin V., Madaminov B.
Isometries of spaces of LOG-integrable functions, pp. 218-226.
PDF DOI 10.33048/semi.2020.17.016

Gadzhimirzaev R. M.
Approximation of discrete functions using special series by modified Meixner polynomials, pp. 395-405.
PDF DOI 10.33048/semi.2020.17.025

Gagelgans K. V., Shlapunov A. A.
On the de Rham complex on a scale of anisotropic weghted Hölder spaces, pp. 428-444.
PDF DOI 10.33048/semi.2020.17.028

Gol'dshtein V., Kopylov Ya. A.
The Sobolev-Poincaré inequality and the Lq,p-cohomology of twisted cylinders, pp. 566-584.
PDF DOI 10.33048/semi.2020.17.036

Podvigin I. V.
Lower bound for the supremum of ergodic averages for Zd and Rd-actions, pp. 626-636.
PDF DOI 10.33048/semi.2020.17.041

Romanov A. S.
Sobolev-type functions on nonhomogeneous metric spaces, pp. 690-699.
PDF DOI 10.33048/semi.2020.17.047

Kotelina N. O., Pevny A. B.
Exponential convexity and total positivity, pp. 802-806.
PDF DOI 10.33048/semi.2020.17.057

Abrosimov N. V., Baigonakova G. A., Grunwald L. A., Mednykh I. A.
Counting rooted spanning foresrs in cobordism of two circulant graphs, pp. 814-823.
PDF DOI 10.33048/semi.2020.17.059

Kuzovatov V. I., Kytmanov A. M.
On an analog of the Binet integral representation, pp. 840-852.
PDF DOI 10.33048/semi.2020.17.061

Balashova G. S.
Estimates of the norms of derivatives in the one- and multidimensional cases, pp. 865-872.
PDF DOI 10.33048/semi.2020.17.063

Discrete mathematics and mathematical cybernetics

Rodionov V. I.
On recursion relations in the problem of enumeration of posets, pp. 190-207. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.014

Baransky V. A., Senchonok T. A.
On maximal graphical partitions that are the nearest to a given graphical partition, pp. 338-363. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.022

Tsiovkina L. Yu.
Arc-transitive groups of automorphisms of antipodal distance-regular graphs of diameter 3 in affine case, pp. 445-495. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.029

Borodin O. V., Ivanova A. O.
All tight descriptions of 3-paths in plane graphs with girth 8, pp. 496-501.
PDF DOI 10.33048/semi.2020.17.030

Fedoryaeva T. I.
Classification of graphs of diameter 2, pp. 502-512. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.031

Glebov A. N.
Colouring planar graphs with bounded monochromatic components, pp. 513-520.
PDF DOI 10.33048/semi.2020.17.032

Mogilnykh I. Yu.
Perfect codes from PGL(2,5) in Star graphs, pp. 534-539.
PDF DOI 10.33048/semi.2020.17.034

Parshina O. G., Lisitsyna M. A.
The perfect 2-colorings of infinite circulant graphs with a continuous set of odd distances, pp. 590-603.
PDF DOI 10.33048/semi.2020.17.038

Glebov A. N., Pavlov I. A., Khadaev K. A.
Vertex colourings of multigraphs with forbiddances on edges, pp. 637-646. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.042

Joós A.
Perfect packing of d-cubes, pp. 853-864.
PDF DOI 10.33048/semi.2020.17.062

Probability theory and mathematical statistics

Lotov V. I.
On some inequalities in boundary crossing problems for random walks, pp. 661-671. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.044

Mikhailov V. G., Mezhennaya N. M.
Normal approximation for U- and V-statistics of a stationary absolutely regular sequence, pp. 672-682.
PDF DOI 10.33048/semi.2020.17.045

Lotov V. I., Xodjibayev V. R.
On the distribution of the trajectory maximum of a stochastic process with switchings, pp. 807-813.[Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.058

Borovkov A. A.
Sharp asymptotics for the Laplace transform of the compound renewal process and related problems, pp. 824-839. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.060

Geometry and Topology

Buturlakin A. A., Presnyakov S. S., Revin D. O., Savin S. A.
Area of a triangle and angle bisectors, pp. 732-737.
PDF DOI 10.33048/semi.2020.17.052

Nezhinskij V. M.
Isotopy invariants of spatial graphs, pp. 769-776. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.055

Mathematical life

Baizhanov B. S., Kulpeshov B. Sh., Zambarnaya T. S.
A.D. Taimanov and model theory in Kazakhstan, стр. A1-A58.
PDF DOI 10.33048/semi.2020.17.011

Gordienko V. M.
The works of the S. K. Godunov seminar on hyperbolic equations, pp. A59-A67. [Russian, English abstract]
PDF DOI 10.33048/semi.2020.17.051

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