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Жанр:Прикладные науки. Общие вопросы. Техника (technics_IT)
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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
периодические издания(Журналы)
ATTAEV A. KH.
Attaev, A. Kh. On Some Non-local Boundary Value and Internal Boundary Value Problems for the String Oscillation Equation [Text] / A. Kh. Attaev // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 35-44. - Bibliogr.: p. 41-42 ISSN 2518-7929.
УДК:
517.9
Предметная рубрика
- Differential equations. Integral equations
Аннотация
The work is devoted to the problem of setting new boundary and internal boundary value problems for hyperbolic equations
Ключевые слова
Wave equation, general solution, Cauchy problem, Goursat problem, Darboux problem, problem with characteristic shift, problem with uncharacteristic displacement
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TURGUMBAEV M. ZH.
Turgumbaev, M. Zh. On weighted integrability of the sum of series with monotone coefficients with respect to multiplicative systems [Text] / M. Zh. Turgumbaev, Z. R. Suleimenova , D. I. Tungushbaeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 160-168. - Bibliogr.: p. 166-167 ISSN 2518-7929.
УДК:
517.518.4
Предметная рубрика
- Trigonometric series
Аннотация
In this paper, the questions about the weighted integrability of the sum of series with respect to multiplicative systems with monotone coefficients have beeb considered
Ключевые слова
multiplicative systems, decomposition, weighted integrability, sum of series, generator sequence, monotone coefficients, Hardy-Littlewood theorem, Lebesgue space
Казахстаника
0/0 Свободно
периодические издания(Журналы)
YESHKEYEV A. R.
Yeshkeyev, A. R. On Robinson spectrum of the semantic Jonsson quasivariety of unars [Text] / A. R. Yeshkeyev, A. R. Yarullina , S. M. Amanbekov [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 2 (110). - P. 169-178. - Bibliogr.: p. 175-176 ISSN 2518-7929.
УДК:
517.547.56
Предметная рубрика
- Algebraic systems
Аннотация
Given article is devoted to the study of semantic Jonsson quasivariety of universal unars of signature containing only unary functional symbol
Ключевые слова
Jonsson theory, unars, universal theory, Robinson theory, quasivariety, semantic Jonsson quasivariety, Jonsson spectrum, Robinson spectrum, equivalence class, cosemanticness
Казахстаника
0/0 Свободно
периодические издания(Журналы)
DEKHKONOV F. N.
Dekhkonov, F. N. On the time-optimal control problem for a heat equation [Text] / F. N. Dekhkonov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 28-38. - Bibliogr.: p. 36-38 ISSN 2518-7929.
УДК:
517.977
Предметная рубрика
- Mathematical theory of management. Optimal management
Аннотация
In this paper, the boundary control problem for a heat equation on the interval is considered
Ключевые слова
heat equation, minimal time, admissible control, initial-boundary value problem, boundary control problem
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KARIMOV E. T.
Karimov, E. T. On a boundary-value problem in a bounded domain for a time-fractional diffusion equation with the Prabhakar fractional derivative [Text] / E. T. Karimov, A. Hasanov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 39-46. - Bibliogr.: p. 44-45 ISSN 2518-7929.
УДК:
517.9
Предметная рубрика
- Differential equations. Integral equations
Аннотация
The purpose of the article is to study a unique solvability of a boundary-value problem for a time-fractional diffusion equation involving the Prabhakar fractional derivative in a Caputo sense in a bounded domain
Ключевые слова
Time-fractional diffusion equation, regularized Prabhakar fractional derivative, Mittag-Leffler type functions, fractional derivatives, integral equations
Казахстаника
0/0 Свободно
периодические издания(Журналы)
Oil & Gaz Journal Russia [Текст] : научный журнал. – Москва : Издательский дом Недра, 2006. - – Выходит один раз в месяц. – ISSN 1995-8137.
2/2 Свободно
периодические издания(Журналы)
Oil & Gas Eurasia [Текст] : журнал. – Москва : Евразия Пресс, Инк, 2005. - – Выходит один раз в месяц. – ISSN 1812-2086.
9/9 Свободно
периодические издания(Журналы)
TULESHOV А. K.
Tuleshov, А. K. Optimal synthesis of planar linkages [Text] / А. K. Tuleshov, А. А. Jomartov , S. Ibrayev [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 1 (439). - P. 172-180. - Bibliogr.: p. 180 ISSN 2224-5278.
УДК:
621
Предметная рубрика
- Mechanical engineering in general. Machinery
Аннотация
This paper investigates the optimal synthesis of planar linkages. The main idea of this paper is to find the initial approximations based on the use of Burmester points for function generator linkages, path generator linkages, motion generator linkages
Ключевые слова
planar linkages, initial approximations, Burmester points, synthesis, жазық иінтіректі механизмдер, Бурместер нүктесі, плоские рычажные механизмы, точки Бурместера
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KAIRBEKOV ZH. K.
Kairbekov, Zh. K. Obtaining fuel products by combined hydrogenation of coal and shale [Text] / Zh. K. Kairbekov, R. G. Sarmurzina , M. Z. Esenalieva [et al.] // Вестник нефтегазовой отрасли Казахстана. - 2023. - № 4. - С. 83-91. - Bibliogr.: p. 88-90 ISSN 2707-4226.
УДК:
662.74
Предметная рубрика
- Coal technology. Coke production
Аннотация
This article is devoted to the study of the process of obtaining fuel products of co-hydrogenation of coal and shale
Ключевые слова
coal, shale, thermocatalytic processing, hydrogenation, hydrogenation, product yield, gasoline fraction, diesel fraction
Казахстаника
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
ATTAEV A. KH.
ON SOME NON-LOCAL BOUNDARY VALUE AND INTERNAL BOUNDARY VALUE PROBLEMS FOR THE STRING OSCILLATION EQUATION
периодические издания(Журналы)
0/0 Свободно
TURGUMBAEV M. ZH.
ON WEIGHTED INTEGRABILITY OF THE SUM OF SERIES WITH MONOTONE COEFFICIENTS WITH RESPECT TO MULTIPLICATIVE SYSTEMS
периодические издания(Журналы)
0/0 Свободно
YESHKEYEV A. R.
ON ROBINSON SPECTRUM OF THE SEMANTIC JONSSON QUASIVARIETY OF UNARS
периодические издания(Журналы)
0/0 Свободно
периодические издания(Журналы)
0/0 Свободно
KARIMOV E. T.
ON A BOUNDARY-VALUE PROBLEM IN A BOUNDED DOMAIN FOR A TIME-FRACTIONAL DIFFUSION EQUATION WITH THE PRABHAKAR FRACTIONAL DERIVATIVE
периодические издания(Журналы)
0/0 Свободно
OIL & GAZ JOURNAL RUSSIA (2006)
периодические издания(Журналы)
2/2 Свободно
OIL & GAS EURASIA (2005)
периодические издания(Журналы)
9/9 Свободно
периодические издания(Журналы)
0/0 Свободно
KAIRBEKOV ZH. K.
OBTAINING FUEL PRODUCTS BY COMBINED HYDROGENATION OF COAL AND SHALE
периодические издания(Журналы)
0/0 Свободно