Browsing 3(95)/2019-Математика by Issue Date

Browsing 3(95)/2019-Математика by Issue Date

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  • Bounded and multiperiodic solutions of the system of partial integro-differential equations 
    Aitenova, G.M.; Sartabanov, Zh.A.; Abdikalikova, G.A.; Kerimbekov, A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The system of partial integro-differential equations with an operator of differentiation with respect to directions of vector field is considered. The considering integro-differential equation does not contain space ...
  • On the integral equation of an adjoint boundary value problem of heat conduction 
    Kosmakova, M.T.; Romanovski, V.G.; Orumbayeva, N.T.; Tuleutaeva, Zh.M.; Kasymova, L.Zh. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    An integral equation is considered, to which а nonhomogeneous first boundary value ргоblem with аn adjoint heat conduction operator is reduced. The problem is set in an infinite plane angle, that is, а boundary of the ...
  • Conveyance of a particle by a vertical screw, which is limited by a coaxial fixed cylinder 
    Pylypaka, S.F.; Nesvidomin, V.M.; Klendii, M.B.; Rogovskii, I.L.; Kresan, T.A.; Trokhaniak, V.I. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Differential equations of relative particle motion along the periphery of a vertical screw have been deduced which rotates about its axis and is limited by a coaxial fixed cylinder. The equations have been solved by applying ...
  • Modified epoxy matrix with improved properties for protection of transport vehicles 
    Brailo, M.V.; Bezbakh, O.M.; Husiev, V.M.; Yakushchenko, S.V. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    It is substantiated that for improving the performance characteristics of vehicle parts, including their corrosion and wear resistance, it is advisable to use protective polymeric composite coatings. It is shown that in ...
  • On construction of the comparison function of program motion in probable statement 
    Vassilina, G.K.; Tleubergenov, M.I. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    In the class of ordinary differential equations the following modification of the inverse problem of differential systems was previously considered: to construct both a set of systems of differential equations and a set ...
  • On the C*-algebra valued G-metric space related with fixed point theorems 
    Ozer, Ozen; Omran, Saleh (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    There are many fixed point results in the various kinds of metric spaces such as b-metric spaces, quaternion metric spaces, G-metric spaces, uniform spaces, non-commutative Banach spaces etc. In this work, we consider the ...
  • On the finite element method for calculation of rectangular plates 
    Yessenbayeva, G.A.; Yesbayeva, D.N.; Syzdykova, N.K. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The article is devoted to the study of bending problems for rectangular plates, which are of great applied importance and are found everywhere in various branches of science and technology. The calculation of plate bending ...
  • On the calculation of round plates for bending 
    Yessenbayeva, G.A.; Kasimov, A.T.; Kasimov, B.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The article is devoted to the study of bending of round plates, which are the basis for calculating many problems of mechanics. In the article the structure of this method is presented, its main components are highlighted; ...
  • Estimates of the norm of the convolution operator in anisotropic Besov spaces with the dominated mixed derivative 
    Sadykova, K.K.; Tleukhanova, N.T. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    In this paper, we investigate the boundedness of the norm of the convolution operator in Sobolev spaces with the dominated mixed derivative and anisotropic Nikolsky-Besov spaces. For Sobolev spaces with the dominated mixed ...
  • Initial values of pores’ pressure and stress in the problems for soil consolidation 
    Dasibekov, Azhibek; Abzhapbarov, Azimkhan; Ashirbayev, Nurgali; Shomanbayeva, Manat (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    According to the basic model of V. Florin a method was developed for determining the initial excess pore pressure p0 at all points of the soil mass. Here the sum of the main stresses in the skeleton of the soil was found. ...
  • A conjugation problem for the heat equation in the field where the boundary moves in linear order 
    Koilyshov, U.K.; Beisenbaeva, K.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Boundary-value problems for parabolic equations іп domains with moving boundaries are fundamentally different from the classical parabolic equations. Due to the dependence of the region size on time, the methods of separation ...
  • Approaching of the solution of a static compressible medium to the solution of an incompressible medium 
    Bukenov, M.M.; Adamov, A.A.; Koikelova, D.K. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    A well-known analogy of the flow of viscous incompressible fluid and incompressible elastic medium. According to this analogy, the solution of the equations of the elasticity theory with the Poisson’s ratio v = 0, 5 and ...
  • Small models of hybrids for special subclasses of Jonsson theories 
    Yeshkeyev, A.R.; Mussina, N.M. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    This article presents the result related to the model-theoretic properties of special subsets of the semantic model of some fixed Jonsson theory. The specialty of these sets is due to their definability and closure. Further, ...
  • Bending of the rigidly fixed elastic-plastic plate 
    Assetova, L.S.; Nurlanova, B.M.; Samoilova, I.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The number of plate structures include coatings, as well as box systems, working as a complete spatial system. The plate structures include systems elements of which are both rods and plates, for example, frame-panel ...
  • Connection of Jonsson theory with some Jonsson polygons theories 
    Yeshkeyev, A.R.; Urken, G.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The main result of this article is connected with some Jonsson theory of polygons and is devoted to obtaining a description of the characteristic of such polygons using invariants related to them. With this limited ...

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