BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS

53 ta ish

Jurnal · ISSN 2518-7929

1. On Boundary Value Problems for a Mixed Type Fractional Differential Equation with Caputo Operator

   T. K. Yuldashev, B. I. Islomov, U.Sh. Ubaydullaev

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS202112 iqtibos

   ABIABI:AkademIndex/2026.other.098181

2. Boundary control problem for the heat transfer equation associated with heating process of a rod

   Farrukh Dekhkonov

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS202312 iqtibos

   ABIABI:AkademIndex/2026.other.264845

3. On the time-optimal control problem for a heat equation

   Farrukh Dekhkonov

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS202312 iqtibos

   ABIABI:AkademIndex/2026.other.264847

4. On the nonlocal problems in time for subdiffusion equations with the Riemann-Liouville derivatives

   Ravshan Ashurov, Yu.E. Fayziev

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS202210 iqtibos

   ABIABI:AkademIndex/2026.other.278500

5. On the time-optimal control problem for a fourth order parabolic equation in a two-dimensional domain

   Farrukh Dekhkonov

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20246 iqtibos

   ABIABI:AkademIndex/2024.article.001187

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

   B. J. Kadirkulov, M. A. Jalilov

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20216 iqtibos

   ABIABI:AkademIndex/2026.other.418426

7. On a New Class of Singular Integro-differential Equations

   T. K. Yuldashev, S. K. Zarifzoda

   MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20214 iqtibos

   ABIABI:AkademIndex/2021.article.001026

8. On convergence of schemes of finite element method of high accuracy for the equation of heat and moisture transfer

   Dawletbay Utebaev, G.Kh. G.Kh. Utepbergenova, Kuwatbay Tleuov

   MaqolaOAOchiq kirishDifferential Equations and Numerical MethodsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20214 iqtibos

   ABIABI:AkademIndex/2021.article.001325

9. On convergence of difference schemes of high accuracy for one pseudo-parabolic Sobolev type equation

   Мерсаид Арипов, Dauletbay Utebaev, Mukhabbad Kazimbetova +1

   MaqolaOAOchiq kirishDifferential Equations and Numerical MethodsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20234 iqtibos

   ABIABI:AkademIndex/2023.article.002271

10. Solution of a boundary value problem for a third-order inhomogeneous equation with multiple characteristics with the construction of the Green’s function

    Yu. P. Apakov, R. A. Umarov

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20244 iqtibos

    ABIABI:AkademIndex/2024.article.001336

11. An inverse problem for Hilfer type differential equation of higher order

    T.K. Yuldashev, B.J. Kadirkulov, Kh. R. Mamedov

    MaqolaOAOchiq kirishNumerical methods in inverse problemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20224 iqtibos

    ABIABI:AkademIndex/2026.other.098190

12. On the behaviors of solutions of a nonlinear diffusion system with a source and nonlinear boundary conditions

    Мерсаид Арипов, Zafar Rakhmonov, A.A. Alimov

    MaqolaOAOchiq kirishAdvanced Mathematical Modeling in EngineeringBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20243 iqtibos

    ABIABI:AkademIndex/2024.article.003200

13. On a mixed problem for Hilfer type differential equation of higher order

    T.K. Yuldashev, B.J. Kadirkulov, Kh. R. Mamedov

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20222 iqtibos

    ABIABI:AkademIndex/2022.article.001527

14. On the convergence of difference schemes of high accuracy for the equation of ion-acoustic waves in a magnetized plasma

    Мерсаид Арипов, Dauletbay Utebaev, Zh. A. Nurullaev

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20222 iqtibos

    ABIABI:AkademIndex/2022.article.001622

15. A combined problem with local and nonlocal conditions for a class of mixed-type equations

    М. Мирсабуров, A.B. Makulbay, Гулнора М. Мирсабурова

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20252 iqtibos

    ABIABI:AkademIndex/2025.article.002099

16. On the Convergence of the Approximate Solution to the Optimization Problem for Oscillatory Processes

    Elmira Abdyldaeva, Акылбек Керимбеков, T. K. Yuldashev +1

    MaqolaOAOchiq kirishDifferential Equations and Numerical MethodsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20252 iqtibos

    ABIABI:AkademIndex/2025.article.008727

17. Analysis and classification of fixed points of operators on a simplex

    D.B. Eshmamatova, M.A. Tadzhieva

    MaqolaOAOchiq kirishMathematical and Theoretical Epidemiology and Ecology ModelsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20252 iqtibos

    ABIABI:AkademIndex/2025.article.017489

18. Local derivation on the Schro¨dinger Lie algebra in (n+1)-dimensional space-time

    A.K. Alauadinov, B.B. Yusupov

    MaqolaOAOchiq kirishNonlinear Waves and SolitonsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20262 iqtibos

    ABIABI:AkademIndex/2026.article.010019

19. Asymptotic solutions of scalar integro-differential equations with partial derivatives and with rapidly oscillating coefficients

    Burkhan Kalimbetov, Kh.F. Etmishev

    MaqolaOAOchiq kirishDifferential Equations and Numerical MethodsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20201 iqtibos

    ABIABI:AkademIndex/2020.article.000842

20. Numerical solution of the boundary value problems for the parabolic equation with involution

    Allaberen Ashyralyev, Charyyar Ashyralyyev, A.M.S. Ahmed

    MaqolaOAOchiq kirishDifferential Equations and Numerical MethodsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20231 iqtibos

    ABIABI:AkademIndex/2023.article.001865

21. On some linear two-point inverse problem for a multidimensional heat conduction equation with semi-nonlocal boundary conditions

    С. З. Джамалов, Sh. Sh. Khudoykulov

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20241 iqtibos

    ABIABI:AkademIndex/2024.article.003572

22. Hessian measures in the class of m-convex (m - cv) functions

    M.B. Ismoilov, Руслан Шарипов

    MaqolaOAOchiq kirishGeochemistry and Geologic MappingBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20241 iqtibos

    ABIABI:AkademIndex/2024.article.003734

23. Numerical solution of source identification multi-point problem of parabolic partial differential equation with Neumann type boundary condition

    Charyyar Ashyralyyev, Tazegul Ashyralyyeva

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20241 iqtibos

    ABIABI:AkademIndex/2024.article.003735

24. On stability of nonlinear difference equations and some of their applications

    Мерсаид Арипов, Dauletbay Utebaev, B. D. Utebaev +1

    MaqolaOAOchiq kirishMathematical and Theoretical Epidemiology and Ecology ModelsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20241 iqtibos

    ABIABI:AkademIndex/2024.article.003736

25. The problem with the missing Goursat condition at the boundary of the domain for a degenerate hyperbolic equation with a singular coefficient

    М. Мирсабуров, Abdumauvlen Berdyshev, Sarvinoz Bakhtiyarovna Ergasheva +1

    MaqolaOAOchiq kirishDifferential Equations and Boundary ProblemsBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS20241 iqtibos

    ABIABI:AkademIndex/2024.article.007166