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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)
YESHKEYEV A. R.
Yeshkeyev, A. R. On categoricity questions for universal unars and undirected graphs under semantic Jonsson quasivariety [Text] / A. R. Yeshkeyev, A. R. Yarullina , S. M. Amanbekov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 165-180. - Bibliogr.: p. 175-177 ISSN 2518-7929.
УДК:
510.6
Предметная рубрика
- Mathematical logic
Аннотация
The article is devoted to the study of semantic Jonsson quasivarieties of universal unars and undirected graphs
Ключевые слова
Jonsson theory, unar, graph, undirected graph, universal theory, Robinson theory, quasivariety, semantic Jonsson quasivariety, Jonsson spectrum, Robinson spectrum, cosemanticness, countable categoricity
Казахстаника
0/0 Свободно
периодические издания(Журналы)
YESSENBAYEVA G. A.
Yessenbayeva, G. A. On the function approximation by trigonometric polynomials and the properties of families of function classes over harmonic intervals [Text] / G. A. Yessenbayeva, A. N. Yesbayev , N. K. Syzdykova [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 181-190. - Bibliogr.: p. 187-188 ISSN 2518-7929.
УДК:
517.518.8
Предметная рубрика
- Approximation of functions by polynomials and their generalizations
Аннотация
The article is devoted to research on approximation theory
Ключевые слова
harmonic interval, spectrum, Dirichlet kernel, trigonometric polynomials, family of function classes, function approximation
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TLEUKHANOVA N. T.
Tleukhanova, N. T. On the Fourier transform of functions from a Lorentz space L 2,r with a mixed metric [Text] / N. T. Tleukhanova, G. K. Mussabayeva , M. Manarbek // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 138-151. - Bibliogr.: p. 148-149 ISSN 2518-7929.
УДК:
517.518.45
Предметная рубрика
- Fourier series
Аннотация
In the article a two-dimensional analog of the Bochkarev type theorem for the Fourier transform was received
Ключевые слова
Lorentz Space, Hausdorff-Young-Riesz theorem, Bochkarev’s theorem, Cauchy-Bunyakovsky inequality, Helder’s inequality
Казахстаника
0/0 Свободно
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)
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
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
YESHKEYEV A. R.
ON CATEGORICITY QUESTIONS FOR UNIVERSAL UNARS AND UNDIRECTED GRAPHS UNDER SEMANTIC JONSSON QUASIVARIETY
периодические издания(Журналы)
0/0 Свободно
YESSENBAYEVA G. A.
ON THE FUNCTION APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS AND THE PROPERTIES OF FAMILIES OF FUNCTION CLASSES OVER HARMONIC INTERVALS
периодические издания(Журналы)
0/0 Свободно
TLEUKHANOVA N. T.
ON THE FOURIER TRANSFORM OF FUNCTIONS FROM A LORENTZ SPACE L 2,R WITH A MIXED METRIC
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
периодические издания(Журналы)
0/0 Свободно