01.01.02 (Differential equations, dynamical systems, and optimal control)
E-mail:
,
Keywords:
Differential equations,
boundary value problems,
local boundary value problems,
nonlocal boundary conditions,
correctness,
Laplace equation,
heat equation,
wave equation,
equation of mixed type,
classical solution,
generalized solution,
ill-posed problems,
inverse problems,
operator,
differential operator,
spectrum,
eigenvalues,
eigenfunction,
associated functions,
root vector,
unconditional basis,
Riesz basis,
convolution,
biorthogonal series
UDC:
517, 517.982, 517.927.25, 517.956, 517.956.4
Subject:
Mathematical analysis,
Ordinary Differential Equations,
Partial Differential Equations,
Equations of Mathematical Physics,
Integral Equations,
Functional Analysis,
Operators Theory
Numerical methods
Biography
He was born in 1963 in the city of Almaty, Kazakhstan.
In 1985 he graduated with honors from the mathematical faculty of S.M.Kirov Kazakh State University.
From 1985 to 1992 he worked at the mathematical faculty of Kazakh State University (the trainee-teacher, the senior engineer on a science, the senior teacher).
In 1992 – 1993 - Head of the Department of Mathematical Economics of Kazakh Chemical Technology Institute.
In 1995 – 1996 was Vice-Rector and in 1996 - 2005 Professor of South-Kazakhstan State University.
In 2006 – 2009 was Professor of H.A.Yasawi International Kazakh-Turkish University.
In 2004 – 2018 was the Chief Researcher at the Institute of Mathematics and Mathematical Modeling (Almaty, Kazakhstan), Head of Department.
Since 2019 he is the General Director of the Institute of Mathematics and Mathematical Modeling (Almaty, Kazakhstan).
In 1989 he defended his Ph.D. thesis "On the conjugate Darboux problem", specialty 01.01.02 - differential equations.
In 1993 he defended the thesis of Doctor of Science “Boundary problems in domains with a departure from the characteristic for Equations of hyperbolic and mixed types of second order”, specialty 01.01.02 - differential equations.
Since 2007 he is Associate Professor in the specialty "Mathematics", since 2010 he is Professor in the specialty "Mathematics", he is Grant holder "Best University Teacher" for 2008.
In 2012 he was elected as the Corresponding Member of the National Academy of Sciences of the Republic of Kazakhstan on specialty "Mathematics".
He is Laureate of the Prize of the Youth Union of Kazakhstan in the field of science and technology for 1993.
He is Laureate of the Prize of the Republic of Kazakhstan named after K.I. Satpaev for the best scientific research in the field of natural sciences in 2015, i.e. for a series of papers "On the problem of the basis property of root vectors of non-self-adjoint differential operators"
Laureate of the State Prize of the Republic of Kazakhstan in the field of science and technology named after al-Farabi in 2020 for the series of works «To the theory of nonlocal differential operators»
Main publications:
M. A. Sadybekov, B. Kh. Turmetov, “On an analog of periodic boundary value problems for the Poisson equation in the disk”, Differential Equations, 50:2 (2014), 268–273
I. Orazov, M. A. Sadybekov, “On a class of problems of determining the temperature and density of heat sources given initial and final temperature”, Siberian Math. J., 53:1 (2012), 146–151
M. A. Sadybekov, A. M. Sarsenbi, “On the theory of antiprior estimates in the sense of VA Il'in”, Doklady Mathematics, 77:3 (2008), 398–400
N. O. Egisbaev, M. A. Sadybekov, “On a problem conjugate to the generalized Tricomi problem for the Lavrent'ev–Bitsadze equation”, Differ. Equ., 28:1 (1992), 73–78
T. Sh. Kal'menov, M. A. Sadybekov, “The Dirichlet problem and nonlocal boundary value problems for the wave equation”, Differential Equations, 26:1 (1990), 55–59
A. Ashyralyev, C. Ashyralyyev, A. S. Erdogan, M. Sadybekov, “Preface: Sixth International Conference on Analysis and Applied Mathematics (ICAAM 2022)”, (Antalya, Türkiye, 31 October–6 November 2022), AIP Conference Proceedings, 3085 (2024), 010001 , 1 pp.
2.
B. Derbissaly, M. Sadybekov, “Inverse source problem for multi-term time-fractional diffusion equation with nonlocal boundary conditions”, AIMS Mathematics, 9:4 (2024), 9969–9988
B. Derbissaly, M. Kirane, M. Sadybekov, “Inverse source problem for two-term time-fractional diffusion equation with nonlocal boundary conditions”, Chaos, Solitons & Fractals, 183 (2024), 114897 , 7 pp.
4.
M. Sadybekov, B. Turmetov, “Boundary Value Problems for Differential Equations with a High-Order Derivative in the Boundary Condition”, Trends in Mathematics, 2024, no. 1, 187–194
5.
A. Ashyralyev, C. Ashyralyyev, M. Sadybekov, “Recent advances in analysis and applied mathematics and their applications”, Bulletin of the Karaganda University-Mathematics Series, 115:3 (2024), 4
6.
A. Ashyralyev, C. Ashyralyyev, A. S. Erdogan, M. Sadybekov, “Preface: Sixth International Conference on Analysis and Applied Mathematics (ICAAM 2022)”, 6th International Conference on Analysis and Applied Mathematics, ICAAM 2022 (Antalya, Türkiye, 31/10 - 6/11/2022), AIP Conference Proceedings, 3085, no. 1, 2024, 010001
7.
A. Ashyralyev, M. Ruzhansky, M. Sadybekov, “Preface”, Trends in Mathematics, 6 (2024), v-vi
8.
U. Koilyshov, M. Sadybekov, “Two-phase heat conduction problems with Sturm-type boundary conditions”, Boundary Value Problems, 2024 (2024), 149 , 16 pp.
9.
A. Dukenbayeva, M. Sadybekov, “Spectral Properties of the Laplace Operator with Variable Dependent Boundary Conditions in a Disk”, Axioms, 13:11 (2024), 794 , 10 pp.
10.
M. A. Sultanov, V. E. Misilov, M. A. Sadybekov, “Numerical method for solving the subdiffusion differential equation with nonlocal boundary conditions”, AIMS Mathematics, 9:12 (2024), 36385-36404
2023
11.
A. Ashyralyev, M. Sadybekov, “About the conference ICAAM 2022”, Bulletin of the Karaganda University-Mathematics, 109:1 (2023), 4–4
12.
B. Derbissaly, M. Sadybekov, “Tricomi Problem for Mixed Parabolic–Hyperbolic Equation with Higher Order Boundary Condition”, Bulletin of the Iranian Mathematical Society, 49:4 (2023), 52 , 13 pp.
13.
M. Sadybekov, N. Imanbaev, “On System of Root Vectors of Perturbed Regular Second-Order Differential Operator Not Possessing Basis Property”, Mathematics, 11:20 (2023), 4364 , 10 pp.
M. Sadybekov, B. Derbissaly, “Direct and Inverse Initial Boundary Value Problems for Heat Equation with Non-Classical Boundary Condition”, Lobachevskii Journal of Mathematics, 44:10 (2023), 4360–4369
M. A. Sadybekov, A. A. Dukenbayeva, “On boundary value problems of the Samarskii–Ionkin type for the Laplace operator in a ball”, Complex Variables and Elliptic Equations, 67:2 (2022), 369–383
Makhmud Sadybekov, Gulnar Dildabek and Marina Ivanova, “Direct and inverse problems for nonlocal heat equation with boundary conditions of periodic type”, Boundary Value Problems, 2022 (2022), 53 , 24 pp.
M. A. Sadybekov, I. N. Pankratova, “Correct and Stable Algorithm for Numerical Solving Nonlocal Heat Conduction Problems with Not Strongly Regular Boundary Conditions”, Mathematics, 10:20 (2022), 3780 , 17 pp. https://www.mdpi.com/2227-7390/10/20/3780
A. Ashyralyev, C. Ashyralyyev, A. S. Erdogan, A. Lukashov, M. Sadybekov, “Preface: Fifth International Conference on Analysis and Applied Mathematics (ICAAM 2020)” (North Cyprus, Turkey, October, 2020), AIP Conference Proceedings, 2325 (2021), 010001 , 2 pp. https://doi.org/10.1063/12.0003133
Allaberen Ashyralyev, Tynysbek Sh. Kalmenov, Michael V. Ruzhansky, Makhmud A. Sadybekov, Durvudkhan Suragan, “Preface (Editorial)”, Functional Analysis in Interdisciplinary Applications - II, Springer Proceedings in Mathematics & Statistics, 351, eds. Allaberen Ashyralyev, Tynysbek Sh. Kalmenov, Michael V. Ruzhansky, Makhmud A. Sadybekov, Durvudkhan Suragan, Springer, Cham, Switzerland, 2021, v-vihttps://link.springer.com/book/10.1007/978-3-030-69292-6
20.
Makhmud A. Sadybekov, Bauyrzhan O. Derbissaly, “Boundary Conditions of Volume Hyperbolic Potential in a Domain with Curvilinear Boundary”, Functional Analysis in Interdisciplinary Applications - II, Springer Proceedings in Mathematics & Statistics, 351, eds. Ashyralyev A., Kalmenov T.S., Ruzhansky M.V., Sadybekov M.A., Suragan D., Springer, Cham, Switzerland, 2021, 222–234https://doi.org/10.1007/978-3-030-69292-6_20
21.
M. Sadybekov, B. Derbissaly, “On Green’s function of Cauchy–Dirichlet problem for hyperbolic equation in a quarter plane”, Boundary Value Problems, 2021 (2021), 69 , 23 pp. ;
Sh. A. Alimov, R. R. Ashurov, T. Sh. Kal'menov, B. E. Kanguzhin, V. V. Karachik, M. A. Sadybekov, A. M. Sarsenbi, D. Suragan, N. Tokmagambetov, B. T. Torebek, S. R. Umarov, V. E. Fedorov, “Batirkhan Khudaibergenovich Turmetov (to the 60th anniversary)”, Chelyab. Fiz.-Mat. Zh., 6:1 (2021), 5–8
23.
M. A. Sadybekov, “Traditional International April Mathematical Conference in honor of the Day of Science Workers”, Eurasian Math. J., 12:4 (2021), 99–100
2020
24.
M. Ruzhansky, M. Sadybekov, D. Suragan, Spectral Geometry of Partial Differential Operators, Taylor & Francis, 2020 , 378 pp. http://www.oapen.org/record/1007657
M. A. Sadybekov, A. A. Dukenbayeva, “Direct and inverse problems for the Poisson equation with equality of flows on a part of the boundary”, Complex Variables and Elliptic Equations, 64:5 (2019), 777–791
T. Sh. Kalmenov, M. A. Sadybekov, B. T. Torebek, “A criterion of solvability of the elliptic Cauchy problem in a multi-dimensional cylindrical domain”, Complex Variables and Elliptic Equations, 64:3 (2019), 398–408
L. V. Kritskov, M. A. Sadybekov, A. M. Sarsenbi, “Properties in Lp of root functions for a nonlocal problem with involution”, Turkish Journal of Mathematics, 43 (2019), 393–401
M. Kirane, M. A. Sadybekov, A. A. Sarsenbi, “On an inverse problem of reconstructing a subdiffusion process from nonlocal data”, Mathematical Methods in the Applied Sciences, 42:6 (2019), 2043–2052
M. A. Sadybekov, A. A. Sarsenbi, “On one inverse problem of reconstructing a subdiffusion process with degeneration from nonlocal data”, Doklady AMAN, 19:1 (2019), 31–41;
2018
30.
M. Sadybekov, G. Oralsyn, “On trace formulae of the generalised heat potential operator”, Journal of Pseudo-Differential Operators and Applications, 9:1 (2018), 143–150
M. A. Sadybekov, G. Dildabek, M. B. Ivanova, “Spectral Properties of a Frankl Type Problem for Parabolic-Hyperbolic Equations”, Electronic Journal of Differential Equations, 2018 (2018), 65 , 11 pp.
32.
M. A. Sadybekov, G. Dildabek, M. B. Ivanova, “On an Inverse Problem of Reconstructing a Heat Conduction Process from Nonlocal Data”, Advances in Mathematical Physics, 2018, 8301656 , 8 pp.
M. A. Sadybekov, G. Oralsyn, M. Ismailov, “Determination of a Time-Dependent Heat Source under not Strengthened Regular Boundary and Integral Overdetermination Conditions”, Filomat, 32:3 (2018), 809–814
B. Aibek, A. Aimakhanova, G. Besbaev, M. A. Sadybekov, “About one inverse problem of time fractional evolution with an involution perturbation”, Fourth International Conference on Analysis and Applied Mathematics (ICAAM 2018) (North Cyprus, Turkey, Sept 6–9, 2018), AIP Conference Proceedings, 1997, eds. Allaberen Ashyralyev, Alexey Lukashov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2018, 020012 , 9 pp. https://doi.org/10.1063/1.5049006
35.
D. Kusmangazinova, I. Orazov, M. A. Sadybekov, “On one class of problems for restoring the density of sources of the process of fractional heat conductivity with respect to initial and final temperature”, Fourth International Conference on Analysis and Applied Mathematics (ICAAM 2018) (North Cyprus, Turkey, Sept 6–9, 2018), AIP Conference Proceedings, 1997, eds. Allaberen Ashyralyev, Alexey Lukashov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2018, 020058 , 5 pp. https://doi.org/10.1063/1.5049052
36.
M. A. Sadybekov, G. Dildabek, M. B. Ivanova, “One class of inverse problems for reconstructing the process of heat conduction from nonlocal data”, Fourth International Conference on Analysis and Applied Mathematics (ICAAM 2018) (North Cyprus, Turkey, Sept 6–9, 2018), AIP Conference Proceedings, 1997, eds. Allaberen Ashyralyev, Alexey Lukashov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2018, 020069 , 6 pp. https://doi.org/10.1063/1.5049063
37.
A. Ashyralyev, A. Lukashov, M. A. Sadybekov, “Preface: Fourth International Conference on Analysis and Applied Mathematics (ICAAM 2018)”, Fourth International Conference on Analysis and Applied Mathematics (ICAAM 2018) (North Cyprus, Turkey, Sept 6–9, 2018), AIP Conference Proceedings, 1997, eds. Allaberen Ashyralyev, Alexey Lukashov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2018, 010001 , 1 pp. https://doi.org/10.1063/1.5048994
38.
A. A. Dukenbayeva, M. A. Sadybekov, N. A. Yessirkegenov, “On a Generalised Samarskii-Ionkin Type Problem for the Poisson Equation”, Algebra, Complex Analysis, and Pluripotential Theory, Springer Proceedings in Mathematics & Statistics, 264, Springer, Cham, 2018, 207–216
M. A. Sadybekov, A. A. Dukenbayeva, “On a class of direct and inverse problems for the Poisson equation with equality of flows on part of the boundary”, Proceedings of the 44th International Conference on Applications of Mathematics in Engineering and Economics (Sozopol, June 8–13, 2018), AIP Conference Proceedings, 2048, eds. Vesela Pasheva, Nedyu Popivanov and George Venkov, American Institute of Physics, Melville, NY, 2018, 040009 , 7 pp. https://doi.org/10.1063/1.5082081
40.
M. A. Sadybekov, “Stable difference scheme for a nonlocal boundary value heat conduction problem”, e-Journal of Analysis and Applied Mathematics, 1:1 (2018), 1–10
A. Ashyralyev, M. A. Sadybekov, “About the conference ICAAM2018 Preface”, Bulletin of the Karaganda University-Mathematics, 91:3 (2018), 8–8
42.
A. S. Erdogan, D. Kusmangazinova, I. Orazov, M. A. Sadybekov, “On one problem for restoring the density of sources of the fractional heat conductivity process with respect to initial and final temperatures”, Bulletin of the Karaganda University-Mathematics, 91:3 (2018), 31–44
L. V. Kritskov, M. A. Sadybekov, A. M. Sarsenbi, “Nonlocal spectral problem for a second-order differential equation with an involution”, Bulletin of the Karaganda University-Mathematics, 91:3 (2018), 53–60
M. A. Sadybekov, N. S. Imanbaev, “A regular differential operator with perturbed boundary condition”, Mathematical Notes, 101:5–6 (2017), 878–887
45.
M. A. Sadybekov, G. Dildabek, A. Tengayeva, “Constructing a basis from systems of eigenfunctions of one not strengthened regular boundary value problem”, Filomat, 31:4 (2017), 981–987
M. A. Sadybekov, B. T. Torebek, B. Kh. Turmetov, “Representation of the Green's function of the exterior Neumann problem for the Laplace operator”, Siberian Math. J., 58:1 (2017), 153–158
47.
T. Sh. Kal'menov, M. A. Sadybekov, “On a Frankl-type problem for a mixed parabolic-hyperbolic equation”, Siberian Math. J., 58:2 (2017), 227–231
48.
A. Kassymov, M. Sadybekov, D. Suragan, “On Isoperimetric Inequalities for the Cauchy-Robin Heat Operator”, Math. Model. Nat. Phenom., 12:3 (2017), 114–118
U. Iskakova, M. A. Sadybekov, “On one inhomogeneous model of oscillations of a thin flat plate with a variety of mounts on opposite sides”, International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017) (Astana, Okt 02–05, 2017), AIP Conference Proceedings, 1880, eds. Tynysbek Kal’menov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2017, 060020http://dx.doi.org/10.1063/1.5000674
50.
M. E. Akhymbek, M. A. Sadybekov, “Correct restrictions of first-order functional–differential equation”, International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017) (Astana, Okt 02–05, 2017), AIP Conference Proceedings, 1880, eds. Tynysbek Kal’menov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2017, 050014http://dx.doi.org/10.1063/1.5000651
51.
N. S. Imanbaev, M. A. Sadybekov, “About characteristic determinant of one boundary value problem not having the basis property”, International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017) (Astana, Okt 02–05, 2017), AIP Conference Proceedings, 1880, eds. Tynysbek Kal’menov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2017, 050002http://dx.doi.org/10.1063/1.5000639
52.
T. S. Kal’menov, M. A. Sadybekov, “Professor Mukhtarbay Otelbaev: Citation for his 75th birthday”, International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017) (Astana, Okt 02–05, 2017), AIP Conference Proceedings, 1880, eds. Tynysbek Kal’menov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2017, 020001http://dx.doi.org/10.1063/1.5000599
53.
T. Kal’menov, M. Sadybekov, “Preface: International Conference “Functional Analysis in Interdisciplinary Applications”(FAIA2017)”, International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017) (Astana, Okt 02–05, 2017), AIP Conference Proceedings, 1880, eds. Tynysbek Kal’menov and Makhmud Sadybekov, American Institute of Physics, Melville, NY, 2017, 010001http://dx.doi.org/10.1063/1.5000598
M. A. Sadybekov, N. S. Imanbaev, “Characteristic determinant of a boundary value problem, which does not have the basis property”, Eurasian Math. J., 8:2 (2017), 40–46
M. Sadybekov, G. Oralsyn, “Nonlocal initial boundary value problem for the time-fractional diffusion equation”, Electronic Journal of Differential Equations, 2017, 201 , 7 pp.
56.
G. Dildabek, M. A. Sadybekov, M. B. Saprygina, “On a Volterra property of an problem of the Frankl type for an equation of the mixed parabolic–hyperbolic type”, 43rd International Conference “Applications of Mathematics in Engineering and Economics” (AMEE’17) (Sozopol, Bulgaria, Jun 08–13, 2017), AIP Conference Proceedings, 1910, 2017, 040004 , 8 pp. https://doi.org/10.1063/1.5013971
57.
N. S. Imanbaev, M. A. Sadybekov, “Regular Sturm-Liouville Operators with Integral Perturbation of Boundary Condition”, Functional Analysis in Interdisciplinary Applications, Springer Proceedings in Mathematics & Statistics, 216, eds. Kalmenov T.S., Nursultanov E.D., Ruzhansky M.V., Sadybekov M.A., Springer, Cham, Switzerland, 2017, 222–234https://doi.org/10.1007/978-3-319-67053-9_21
58.
M. A. Sadybekov, “Initial-Boundary Value Problem for a Heat Equation with not Strongly Regular Boundary Conditions”, Functional Analysis in Interdisciplinary Applications, Springer Proceedings in Mathematics & Statistics, 216, eds. Kalmenov T.S., Nursultanov E.D., Ruzhansky M.V., Sadybekov M.A., Springer, Cham, Switzerland, 2017, 330–348https://doi.org/10.1007/978-3-319-67053-9_32
T. S. Kalmenov, E. D. Nursultanov, M. V. Ruzhansky, M. A. Sadybekov, “Preface(Editorial)”, Functional Analysis in Interdisciplinary Applications, Springer Proceedings in Mathematics & Statistics, 216, eds. Kalmenov T.S., Nursultanov E.D., Ruzhansky M.V., Sadybekov M.A., Springer, Cham, Switzerland, 2017, v-vii
2016
60.
N. A. Yessirkegenov, M. A. Sadybekov, “Spectral properties of boundary-value problem with a shift for wave equation”, Russian Math. (Iz. VUZ), 60:3 (2016), 41–46
61.
M. A. Sadybekov, B. T. Torebek, B. Kh. Turmetov, “Construction of Green’s function of the Neumann problem in a ball”, Eurasian Math. J., 7:2 (2016), 100–105
M. A. Sadybekov, B. T. Torebek, B. Kh. Turmetov, “Representation of Green’s function of the Neumann problem for a multi-dimensional ball”, Complex Variables and Elliptic Equations, 61:1 (2016), 104–123http://dx.doi.org/10.1080/17476933.2015.1064402
M. A. Sadybekov, N. A. Yessirkegenov, “Boundary-value problems for wave equations with data on the whole boundary”, Electronic Journal of Differential Equations, 2016, 281 , 9 pp.
64.
T. Sh. Kal'menov, M. A. Sadybekov, U. A. Iskakova, “On a criterion for the solvability of one ill-posed problem for the biharmonic equation”, Journal of Inverse and Ill-Posed Problems, 24:6 (2016), 777–783
M. E. Akhymbek, M. A. Sadybekov, “On a difference scheme for nonlocal heat transfer boundary-value problem”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016), AIP Conference Proceedings, 1759, 2016, 020032 , 6 pp.
N. Imanbaev, M. Sadybekov, “Stability of basis property of a periodic problem with nonlocal perturbation of boundary conditions”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07-10, 2016), AIP Conference Proceedings, 1759, 2016, 020080 , 5 pp.
T. Sh. Kal'menov, M. Sadybekov, “On a problem of the Frankl type for an equation of the mixed parabolic-hyperbolic type”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016), AIP Conference Proceedings, 1759, 2016, 020001 , 6 pp.
M. Sadybekov, A. Kassymov, “An isoperimetric inequality for heat potential and heat equation”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016), AIP Conference Proceedings, 1759, 2016, 020029 , 5 pp.
69.
M. A. Sadybekov, N. A. Yessirkegenov, “Spectral properties of a Laplace operator with Samarskii-Ionkin type boundary conditions in a disk”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016), AIP Conference Proceedings, 1759, 2016, 020139 , 5 pp.
M. A. Sadybekov, A. M. Sarsenbi, A. Tengaeva, “Description of spectral properties of a generalized spectral problem with involution for differentiation operator of the second order”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016), AIP Conference Proceedings, 1759, 2016, 020154 , 7 pp.
M. A. Sadybekov, B. T. Torebek, “On some spectral inequalities for a nonlocal elliptic problem”, 3rd International Conference on Analysis and Applied Mathematics (ICAAM) (Almaty, Inst Math & Math Modeling, Sep 07–10, 2016) (Almaty), AIP Conference Proceedings, 1759, 2016, 020123 , 5 pp.
72.
M. A. Sadybekov, “On an Samarskii-Ionkin boundary value problem for the Poisson equation in a disk”, 42nd International Conference on Applications of Mathematics in Engineering and Economics (AMEE) (Sozopol, BULGARIA, JUN 08-13, 2016), AIP Conference Proceedings, 1789, 2016, UNSP 040024 , 7 pp.
73.
M. Sadybekov, B. Torebek, “On a Class of Nonlocal Boundary Value Problems for the Laplace Operator in a Disk”, 42nd International Conference on Applications of Mathematics in Engineering and Economics (AMEE) (Sozopol, BULGARIA, JUN 08-13, 2016), AIP Conference Proceedings, 1789, 2016, UNSP 040025 , 6 pp.
V. V. Karachik, M. A. Sadybekov, B. T. Torebek, “Uniqueness of solutions to boundary-value problems for the biharmonic equation in a ball”, Electronic Journal of Differential Equations, 2015, 244 , 9 pp.
75.
M. E. Akhymbek, N. A. Yessirkegenov, M. A. Sadybekov, “Renovation of the fixing and loading factors of the beam by the spectral data of free flexural vibrations”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020058 , 6 pp.
N. S. Imanbaev, M. A. Sadybekov., “On instability of basis property of the root vectors system of the double differentiation operator with an integral perturbation of periodic type conditions”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020083 , 5 pp.
G. Oralsyn, M. A. Sadybekov, “An inverse coefficient problem of heat conductivity with a nonlocal Samarskii-Ionkin type condition”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020016 , 5 pp.
78.
I. Orazov, M. A. Sadybekov, “On an inverse problem of mathematical modeling of the extraction process of polydisperse porous materials”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020005 , 4 pp.
79.
M. A. Sadybekov, B. T. Torebek, “On a new class of nonlocal problems for the Laplace operator”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020073 , 5 pp.
M. A. Sadybekov, B. T. Torebek, N. A. Yessirkegenov, “On an analog of Samarskii-Ionkin type boundary value problem for the Poisson equation in the disk”, International Conference on Advancements in Mathematical Sciences (AMS 2015) (Antalya, Turkey, Nov 05-07, 2015), AIP Conference Proceedings, 1676, 2015, 020035 , 5 pp.
81.
I. Orazov, M. A. Sadybekov, “One-dimensional Diffusion Problem with not Strengthened Regular Boundary Conditions”, 41st International Conference Applications of Mathematics in Engineering and Economics (AMEE'15) (Sozopol, Bulgaria, Jun 08-13, 2015), AIP Conference Proceedings, 1690, 2015, 040007 , 6 pp.
M. A. Sadybekov, B. Kh. Turmetov, B. T. Torebek, “On an explicit form of the Green function of the Robin problem for the Laplace operator in a circle”, Adv. Pure Appl. Math., 6:3 (2015), 163–172
G. A. Besbaev, I. Orazov, M. A. Sadybekov, “A nonlocal boundary problem for the Laplace operator in a half disk”, Electronic Journal of Differential Equations, 2014, 203 , 5 pp.
84.
M. A. Sadybekov, N. A. Yessirkegenov, “Properties of solutions to Neumann-Tricomi problems for Lavrent'ev-Bitsadze equations at corner points”, Electronic Journal of Differential Equations, 2014, 193 , 9 pp.
85.
M. A. Sadybekov, B. Kh. Turmetov, B. T. Torebek, “Solvability of nonlocal boundary-value problems for the Laplace equation in the ball”, Electronic Journal of Differential Equations, 2014, 157 , 14 pp.
86.
M. A. Sadybekov, B. Kh. Turmetov, “On an analog of periodic boundary value problems for the Poisson equation in the disk”, Differential Equations, 50:2 (2014), 268–273
M. A. Sadybekov, B. Kh. Turmetov, M. A. Muratbekova, “On solvability of some nonlocal boundary value problems with the Hadamard boundary operator”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 266-270
M. A. Sadybekov, N. A. Yessirkegenov, “A criterion for the strong solvability of the Neumann-Tricomi problem for the Lavrent'ev-Bitsadze equation in L-p”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 112-118
M. A. Sadybekov, M. E. Akhymbek, “Spectral properties of some non strongly regular boundary value problems for fourth order differential operators”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 156-160
A. M. Sarsenbi, M. A. Sadybekov, “Eigenfunctions of a fourth order operator pencil”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 241-245
M. A. Sadybekov, B. T. Torebek, B. Kh. Turmetov, “On an explicit form of the Green function of the third boundary value problem for the Poisson equation in a circle”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 255-260
N. S. Imanbaev, M. A. Sadybekov, “Characteristic determinant of the spectral problem for the ordinary differential operator with the boundary load”, International Conference on Analysis and Applied Mathematics (ICAAM 2014) (Shymkent, Kazakhstan, Sep 11-13, 2014), AIP Conference Proceedings, 1611, 2014, 261-265
N. S. Imanbaev, M. A. Sadybekov, “On spectral properties of a periodic problem with an integral perturbation of the boundary condition”, Eurasian Math. J., 4:3 (2013), 53–62
I. Orazov, M. A. Sadybekov, “One nonlocal problem of determination of the temperature and density of heat sources”, Russian Math. (Iz. VUZ), 56:2 (2012), 60–64
95.
I. Orazov, M. A. Sadybekov, “On a class of problems of determining the temperature and density of heat sources given initial and final temperature”, Siberian Math. J., 53:1 (2012), 146–151
96.
M. A. Sadybekov, B. K. Turmetov, “On analogues of periodic boundary value problems for the Laplace operator in a ball”, Eurasian Math. J., 3:1 (2012), 143–146
M. A. Sadybekov, A. M. Sarsenbi, “Criterion for the basis property of the eigenfunction system of a multiple differentiation operator with an involution”, Differential Equations, 48:8 (2012), 1112-1118
M. A. Sadybekov, N. S. Imanbaev, “On the basis property of root functions of a periodic problem with an integral perturbation of the boundary condition”, Differential Equations, 48:6 (2012), 896–900
M. A. Sadybekov, A. M. Sarsenbi, “Issues of basis property related to the choice of associated functions of differential operators”, Mathematica, 54:77 (2012), 177–184
100.
M. A. Sadybekov, A. M. Sarsenbi, “Mixed Problem for a Differential Equation with Involution Under Boundary Conditions of General Form”, 1st International Conference on Analysis and Applied Mathematics (ICAAM 2012) (Gumushane, Turkey, Oct 18-21, 2012), AIP Conference Proceedings, 1470, 2012, 225-227
N. S. Imanbaev, M. A. Sadybekov, “Stability of basis property of a type of problems on eigenvalues with nonlocal perturbation of boundary conditions”, Ufa Mathematical Journal, 3:2 (2011), 27–32
102.
M. A. Sadybekov, A. M. Sarsenbi, “On a necessary condition for a system of normalized elements to be a basis in a Hilbert space”, Vestn. Tomsk. Gos. Univ. Mat. Mekh., 2011, no. 1, 44–46
103.
T. Sh. Kal'menov, M. A. Sadybekov, A. M. Sarsenbi, “Biorthogonal Expansions in Root Functions of Differential Operators”, Differential Equations, 47:1 (2011), 144–148
2008
104.
M. A. Sadybekov, A. M. Sarsenbi, “On the theory of antiprior estimates in the sense of VA Il'in”, Doklady Mathematics, 77:3 (2008), 398–400
105.
M. A. Sadybekov, A. M. Sarsenbi, “The use of anti-A priori estimates in the theory of bases in the space L(2)”, Differential Equations, 44:5 (2008), 685–691
1994
106.
M. A. Sadybekov, “The boundary-value problem of a new-type for a wave-equation”, Doklady Akademii Nauk, 336:5 (1994), 590–591
1993
107.
T. Sh. Kal'menov, M. A. Sadybekov, N. E. Erzhanov, “A criterion for the strong solvability of the Tricomi problem for the Lavrent'ev–Bitsadze equation. The general case”, Differ. Equ., 29:5 (1993), 745–750
1992
108.
E. M. Orynbasarov, M. A. Sadybekov, “The basis property of the system of eigen- and associated functions of a boundary value problem with shift for the wave equation”, Math. Notes, 51:5 (1992), 482–484
109.
N. O. Egisbaev, M. A. Sadybekov, “On a problem conjugate to the generalized Tricomi problem for the Lavrent'ev–Bitsadze equation”, Differ. Equ., 28:1 (1992), 73–78
110.
M. A. Sadybekov, G. D. Toizhanova, “Spektralnye svoistva odnogo klassa kraevykh zadach dlya parabolo-giperbolicheskogo uravneniya”, Differentsialnye uravneniya, 28:1 (1992), 183–186
M. A. Sadybekov, E. M. Orynbasarov, “Baseness of the system of the eigenfunctions and associated functions with displacement of Lavrentev-Bitsadze equation”, Doklady Akademii Nauk, 324:6 (1992), 1152–1154
1990
112.
T. Sh. Kal'menov, M. A. Sadybekov, “The Dirichlet problem and nonlocal boundary value problems for the wave equation”, Differential Equations, 26:1 (1990), 55–59
113.
M. A. Sadybekov, “On the conjugate Darboux problem”, Doklady Akademii Nauk, 314:2 (1990), 304–306