Vol. 104 No. 4 (2021)

DOI: https://doi.org/10.31489/2518-7929/2021-104-4
Published: 2021-12-30

Full Issue

MATHEMATICS

  • A hybrid algorithm for solving inverse boundary problems with respect to intermediate masses on a beam

    A.A. Aniyarov, S.A. Jumabayev, D.B. Nurakhmetov, R.K. Kussainov
    4-13
    DOI: https://doi.org/10.31489/2021m4/4-13

  • Fractional Integral Inequalities for Some Convex Functions

    B.R. Bayraktar, A.Kh. Attaev
    14-27
    DOI: https://doi.org/10.31489/2021m4/14-27

  • The embedding theorems for anisotropic Nikol’skii-Besov spaces with generalized mixed smoothness

    K.A. Bekmaganbetov, K.Ye. Kervenev, Ye. Toleugazy
    28-34
    DOI: https://doi.org/10.31489/2021m4/28-34

  • Boundary value problem for the four-dimensional Gellerstedt equation

    A.S. Berdyshev, A.R. Ryskan
    35-48
    DOI: https://doi.org/10.31489/2021m4/35-48

  • Generalization of the Hardy-Littlewood theorem on Fourier series

    S. Bitimkhan
    49-55
    DOI: https://doi.org/10.31489/2021m4/49-55

  • Asymptotics solutions of a singularly perturbed integro-differential fractional order derivative equation with rapidly oscillating coefficients

    M.A. Bobodzhanova, B.T. Kalimbetov, G.M. Bekmakhanbet
    56-67
    DOI: https://doi.org/10.31489/2021m4/56-67

  • On Hadamard Product of Hypercomplex Numbers

    A. Daşdemir
    68-73
    DOI: https://doi.org/10.31489/2021m4/68-73

  • On One Initial Boundary Value Problem for the Burgers Equation in a Rectangular Domain

    M.T. Jenaliyev, M.G. Yergaliyev, A.A. Assetov, A.K. Kalibekova
    74-88
    DOI: https://doi.org/10.31489/2021m4/74-88

  • On a nonlocal problem for a fourth-order mixed-type equation with the Hilfer operator

    B.J. Kadirkulov, M.A. Jalilov
    89-102
    DOI: https://doi.org/10.31489/2021m4/89-102

  • Differential inequality and non-oscillation of fourth order differential equation

    A.A. Kalybay, A.O. Baiarystanov
    103-109
    DOI: https://doi.org/10.31489/2021m4/103-109

  • On the solvability of a semi-periodic boundary value problem for the nonlinear Goursat equation

    N.T. Orumbayeva, T.D. Tokmagambetova, Zh.N. Nurgalieva
    110-117
    DOI: https://doi.org/10.31489/2021m4/110-117

  • Nonpotentiality of a diffusion system and the construction of a semi-bounded functional

    V.M. Savchin, L.T. Huyen
    118-129
    DOI: https://doi.org/10.31489/2021m4/118-129

  • On the solutions of some fractional q-differential equations with the Riemann-Liouville fractional q-derivative

    S. Shaimardan, N.S. Tokmagambetov
    130-141
    DOI: https://doi.org/10.31489/2021m4/130-141

  • Averaging method and two-sided bounded solutions on the axis of systems with impulsive effects at non-fixed times

    O.N. Stanzhytskyi, A.T. Assanova, M.A. Mukash
    142-150
    DOI: https://doi.org/10.31489/2021m4/142-150

  • On Jonsson varieties and quasivarieties

    A.R. Yeshkeyev
    151-157
    DOI: https://doi.org/10.31489/2021m4/151-157

ANNIVERSARY