No. 4 (120)/2025

DOI: https://doi.org/10.31489/2518-7929/2025-120-4
Published: 30.12.2025

Full Issue

PREFACE

  • Functional analysis in interdisciplinary applications

    Views: 226
    A. Ashyralyev, C. Ashyralyyev, M. Sadybekov
    4
    DOI: https://doi.org/10.31489/2025m4/4

MATHEMATICS

  • The quadratic B-spline method for approximating systems of Volterra integro fractional-differential equations involving both classical and fractional derivatives

    Views: 300
    D.Kh. Abdullah, K.H.F. Jwamer, Sh.Sh. Ahmed
    5-20
    DOI: https://doi.org/10.31489/2025m4/5-20

  • Difference schemes of high accuracy for a Sobolev-type pseudoparabolic equation

    Views: 174
    M.M. Aripov, D. Utebaev, R.T. Djumamuratov
    21-32
    DOI: https://doi.org/10.31489/2025m4/21-32

  • The intrinsic geometry of a convex surface in Galilean space

    Views: 164
    A. Artykbaev, B.M. Sultanov
    33-45
    DOI: https://doi.org/10.31489/2025m4/33-45

  • Forward and inverse problems for a mixed-type equation with the Caputo fractional derivative and Dezin-type non-local condition

    Views: 202
    R.R. Ashurov, U.Kh. Dusanova, N.Sh. Nuraliyeva
    46-60
    DOI: https://doi.org/10.31489/2025m4/46-60

  • Numerical solutions of source identification problems for telegraph-parabolic equations

    Views: 154
    M. Ashyraliyev, M.A. Ashyralyyeva
    61-68
    DOI: https://doi.org/10.31489/2025m4/61-68

  • Bounded solutions in epidemic models governed by semilinear parabolic equations with general semilinear incidence rates

    Views: 169
    A. Ashyralyev, E. Hincal, B. Kaymakamzade
    69-84
    DOI: https://doi.org/10.31489/2025m4/69-84

  • On a stable difference scheme for numerically solving a reverse parabolic source identification problem

    Views: 197
    C. Ashyralyyev, M.A. Sadybekov
    85-94
    DOI: https://doi.org/10.31489/2025m4/85-94

  • Inequalities for analytic functions associated with hyperbolic cosine function

    Views: 221
    T. Azero˘glu, B.N. Örnek, T. Düzenli
    95-106
    DOI: https://doi.org/10.31489/2025m4/95-106

  • Analysis and classification of fixed points of operators on a simplex

    Views: 184
    D.B. Eshmamatova, M.A. Tadzhieva
    107-124
    DOI: https://doi.org/10.31489/2025m4/107-124

  • Well-posedness of elliptic-parabolic differential problem with integral condition

    Views: 156
    O. Gercek
    125-133
    DOI: https://doi.org/10.31489/2025m4/125-133

  • Application of isotropic geometry to the solution of the Monge–Ampere equation

    Views: 165
    Sh.Sh. Ismoilov
    134-147
    DOI: https://doi.org/10.31489/2025m4/134-147

  • Rational analogues of Bernstein–Szabados operators on several intervals

    Views: 153
    A.L. Lukashov
    148-154
    DOI: https://doi.org/10.31489/2025m4/148-154

  • Investigation of the solution of a boundary value problem with variable coefficients whose principal part is the Cauchy–Riemann equation

    Views: 199
    M. Rasulov, N. Aliyev, B. Sinsoysal
    155-162
    DOI: https://doi.org/10.31489/2025m4/155-162

  • Studying a system of non-local condition hyperbolic equations

    Views: 170
    Y.A. Sharifov, A.R. Mammadli
    163-179
    DOI: https://doi.org/10.31489/2025m4/163-179

  • An analogue of Leibniz’s rule for Hadamard derivatives and their application

    Views: 182
    A.G. Smadiyeva
    180-195
    DOI: https://doi.org/10.31489/2025m4/180-195