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Язык издания:Английский
Каталог:Статьи
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521-530 из 851
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периодические издания(Журналы)
ABDIMANAPOVA P. B.
Abdimanapova, P. B. Well-posedness criteria for one family of boundary value problems [Text] / P. B. Abdimanapova, S. M. Temesheva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 5-20. - Bibliogr.: p. 16-17 ISSN 2518-7929
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УДК:
517.9
Предметная рубрика
- Differential equations. Integral equations
Аннотация
This paper considers a family of linear two-point boundary value problems for systems of ordinary differential equations
Ключевые слова
multipoint boundary value problem, existence of solution, well-posedness, necessary and sufficient condition, шеттік есеп, дифференциалдық теңдеулер, краевые задачи, дифференциальные уравнения
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
AKHAZHANOV T. B.
Akhazhanov, T. B. Coefficients of multiple Fourier-Haar series and variational modulus of continuity [Text] / T. B. Akhazhanov, N. А. Bokayev , D. T. Matin [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 21-29. - Bibliogr.: p. 26-27 ISSN 2518-7929.
УДК:
517.518.45
Предметная рубрика
- Fourier series
Аннотация
In this paper, the issue of the absolute convergence for multiple series composed of the Fourier-Haar coefficients of functions of several variables of bounded p-variation was studied
Ключевые слова
Fourier-Haar series, variational modulus of continuity, coefficients of multiple Fourier-Haar series, ряды Фурье-Хаара, Фурье-Хаар қатары
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
APAKOV YU. P.
Apakov, Yu. P. On a boundary problem for the fourth order equation with the third derivative with respect to time [Text] / Yu. P. Apakov, D. M. Meliquzieva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4(112). - P. 30-40. - Bibliogr.: p. 36-37 ISSN 2518-7929.
УДК:
517.954
Предметная рубрика
- Boundary value problems
Аннотация
In this paper, a boundary value problem in a rectangular domain for a fourth-order homogeneous partial differential equation containing the third derivative with respect to time was considered
Ключевые слова
Initial boundary problem, Fourier method, uniqueness, existence, eigenvalue, eigenfunction, functional series, Фурье әдісі, бастапқы-шеттік есеп, метод Фурье, начально-краевая задача
Казахстаника
0/0 Свободно
![](/FileStore/dataFiles/df/94/1693735/content/cover.png?time=1723911816525&key=8807d82f2aaff225dc8cd406a91b94b4)
периодические издания(Журналы)
PARVATHY C. R.
Parvathy, C. R. A study on new classes of binary soft sets in topological rough approximation space [Text] / C. R. Parvathy, A. Sofia // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 79-94. - Bibliogr.: p. 92-93 ISSN 2518-7929.
УДК:
515.122
Предметная рубрика
- Topological spaces
Аннотация
Approximation operators are defined and the characteristics of the proposed sets are studied with examples
Ключевые слова
Soft set, rough set, simply open, approximation space, topological space, жұмсақ жиын, топологиялық кеңістік, мягкое множество, аппроксимационное пространство
Казахстаника
0/0 Свободно
![](/FileStore/dataFiles/09/cf/1693727/content/cover.png?time=1723911816525&key=14697bb3acd3993dc11b8c4a61ac3a40)
периодические издания(Журналы)
BITIMKHAN S.
Bitimkhan, S. Best approximation by «angle» and the absolute Cesaro summability of double Fourier series [Text] / S. Bitimkhan, O. Mekesh // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 56-65. - Bibliogr.: p. 64-65 ISSN 2518-7929.
УДК:
517.51
Предметная рубрика
- Functions of real variables. Valid functions
Аннотация
This article is devoted to the topic of absolute summation of series or Cesaro summation
Ключевые слова
trigonometric series, Fourier series, Lebesgue space, best approximation by «angle», absolute summability of the series, Фурье қатары, Лебег кеңістігі, ряд Фурье, пространство Лебега
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
BALKIZOV ZH. A.
Balkizov, Zh. A. Boundary value problems with displacement for one mixed hyperbolic equation of the second order [Text] / Zh. A. Balkizov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 41-55. - Bibliogr.: p. 49-51 ISSN 2518-7929
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УДК:
517.956.32
Предметная рубрика
- Linear hyperbolic equations
Аннотация
The paper studies two nonlocal problems with a displacement for the conjugation of two equations of secondorder hyperbolic type, with a wave equation in one part of the domain and a degenerate hyperbolic equation of the first kind in the other part
Ключевые слова
wave equation, degenerate hyperbolic equation of the first kind, Volterra integral equation, Fredholm integral equation, Tricomi method, method of integral equations, methods of fractional calculus theory, Вольтерра интегралдық тендеуі, Фредгольм интегралдық тендеуі, Трикоми әдісі, интегральное уравнение Вольтерра, интегральное уравнение Фредгольма, метод Трикоми
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
KHOMPYSH KH.
Khompysh, Kh. Kelvin-Voigt equations with memory: existence, uniqueness and regularity of solutions [Text] / Kh. Khompysh, N. K. Nugymanova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 4 (112). - P. 66-78. - Bibliogr.: p. 74-76 ISSN 2518-7929.
УДК:
517.9
Предметная рубрика
- Differential equations. Integral equations
Аннотация
In this paper, initial-boundary value problems for the system of 2D-3D nonlinear Kelvin-Voigt equations with memory, which describes a motion of an incompressible homogeneous non-Newtonian fluids with viscoelastic and relaxation properties were studied
Ключевые слова
Kelvin-Voigt system, slip and stick boundary conditions, strong solutions, global existence and uniqueness, smoothness, Кельвин-Фойгт теңдеулері, уравнкния Кельвина-Фойгта
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
JANTASSOVA A. D.
Jantassova , A. D. On the issue of the "ecological corridor" concept [Text] / A. D. Jantassova // Bulletin of the Karaganda University. Law series. - 2023. - № 2 (110). - P. 68-73. - Bibliogr.: p. 72-73 ISSN 2518-7945.
УДК:
349.6
Предметная рубрика
- Legal problems of environmental protection
Аннотация
The following scientific paper explores the issue of defining the concept of ecological corridor as a means of protecting Special Protected Natural Areas (SPNA) and objects of the State Nature Reserve Fund (SNRF)
Ключевые слова
reserve core , landscape ecology, objects of the State Nature Reserve Fund , special protected natural areas , natural complexes , ecological code of the Republic of Kazakhstan , ecological network , ecological corridor
Казахстаника
0/0 Свободно
![](/FileStore/dataFiles/55/58/1694127/content/cover.png?time=1723911816526&key=18d80326c82c6b37d760fb6f35de3988)
периодические издания(Журналы)
AKHMETOVA N. S.
Akhmetova , N. S. Improving the lawmaking activities of executive authorities [Text] / N. S. Akhmetova , A. I. Birmanova // Bulletin of the Karaganda University. Law series. - 2023. - № 4 (112). - P. 38-43. - Bibliogr.: p. 42-43 ISSN 2518-7945.
УДК:
342.6
Предметная рубрика
- Executive branch
Аннотация
The article examines the features of subordinate lawmaking, which are due to the multiplicity of the system of executive authorities
Ключевые слова
lawmaking, normative legal act , lawmaking principles , lawmaking mechanism , legal monitoring , regulatory impact analysis , lawmaking relations , lawmaking subjects
Казахстаника
0/0 Свободно
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периодические издания(Журналы)
AMANDYKOVA L. K.
Amandykova , L. K. Comparative analysis of the constitutions of the Republic of Kazakhstan and developed countries of the world [Text] / L. K. Amandykova // Bulletin of the Karaganda University. Law series. - 2023. - № 4 (112). - P. 33-36. - Bibliogr.: p. 36 ISSN 2518-7945.
УДК:
342.4
Предметная рубрика
- Constitution
Аннотация
This article provides an actual comparative analysis of the Constitution of the Republic of Kazakhstan with those of several developed countries
Ключевые слова
separation of powers , human rights protections , executive branch , human rights , constitutional system , comparative constitutional law , parliamentary system , presidential system , unique features
Казахстаника
0/0 Свободно
ABDIMANAPOVA P. B.
WELL-POSEDNESS CRITERIA FOR ONE FAMILY OF BOUNDARY VALUE PROBLEMS
периодические издания(Журналы)
0/0 Свободно
AKHAZHANOV T. B.
COEFFICIENTS OF MULTIPLE FOURIER-HAAR SERIES AND VARIATIONAL MODULUS OF CONTINUITY
периодические издания(Журналы)
0/0 Свободно
APAKOV YU. P.
ON A BOUNDARY PROBLEM FOR THE FOURTH ORDER EQUATION WITH THE THIRD DERIVATIVE WITH RESPECT TO TIME
периодические издания(Журналы)
0/0 Свободно
PARVATHY C. R.
A STUDY ON NEW CLASSES OF BINARY SOFT SETS IN TOPOLOGICAL ROUGH APPROXIMATION SPACE
периодические издания(Журналы)
0/0 Свободно
BITIMKHAN S.
BEST APPROXIMATION BY «ANGLE» AND THE ABSOLUTE CESARO SUMMABILITY OF DOUBLE FOURIER SERIES
периодические издания(Журналы)
0/0 Свободно
BALKIZOV ZH. A.
BOUNDARY VALUE PROBLEMS WITH DISPLACEMENT FOR ONE MIXED HYPERBOLIC EQUATION OF THE SECOND ORDER
периодические издания(Журналы)
0/0 Свободно
KHOMPYSH KH.
KELVIN-VOIGT EQUATIONS WITH MEMORY: EXISTENCE, UNIQUENESS AND REGULARITY OF SOLUTIONS
периодические издания(Журналы)
0/0 Свободно
периодические издания(Журналы)
0/0 Свободно
AKHMETOVA N. S.
IMPROVING THE LAWMAKING ACTIVITIES OF EXECUTIVE AUTHORITIES
периодические издания(Журналы)
0/0 Свободно
AMANDYKOVA L. K.
COMPARATIVE ANALYSIS OF THE CONSTITUTIONS OF THE REPUBLIC OF KAZAKHSTAN AND DEVELOPED COUNTRIES OF THE WORLD
периодические издания(Журналы)
0/0 Свободно