Electronic catalog
Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
catalogue:Articles
Search result:
3571-3580 of 5130
periodical press (Magazines)
ULBRIKHT O. I.
Ulbrikht, O. I. A fragment of a theoretical set and its strongly minimal central type [Text] / O. I. Ulbrikht, N. V. Popova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 152-164. - Bibliogr.: p. 159-161 ISSN 2518-7929.
UDC:
510.6
Subject headings
- Mathematical logic
Annotation
The paper defines a new class of algebras, the theory of which is a special case of Jonsson theories
Keywords
theoretical set, strongly minimal type, Jonsson theory, existentially closed model, algebraically closed model, cosemanticness, Robinson spectrum, Robinson hereditary variety, central type, Jonsson fragment
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.518.8
Subject headings
- Approximation of functions by polynomials and their generalizations
Annotation
The article is devoted to research on approximation theory
Keywords
harmonic interval, spectrum, Dirichlet kernel, trigonometric polynomials, family of function classes, function approximation
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.518.45
Subject headings
- Fourier series
Annotation
In the article a two-dimensional analog of the Bochkarev type theorem for the Fourier transform was received
Keywords
Lorentz Space, Hausdorff-Young-Riesz theorem, Bochkarev’s theorem, Cauchy-Bunyakovsky inequality, Helder’s inequality
Kazakhstan
0/0 Free
periodical press (Magazines)
TEMIRKHANOVA A. M.
Temirkhanova, A. M. Criteria for the boundedness of a certain class of matrix operators from lpv into lqu [Text] / A. M. Temirkhanova, A. T. Beszhanova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 122-137. - Bibliogr.: p. 135-136 ISSN 2518-7929.
UDC:
517.98
Subject headings
- Functional analysis and operator theory
Annotation
This paper deals with the problem of boundedness of matrix operators from lpv into lqu for 1 < q < p < 1
Keywords
matrix operator, conjugate operator, weight sequence, boundedness, weight inequalities, weight Lebesgue space, Oinarov’s condition, Hardy operator, Hardy inequality, matrix
Kazakhstan
0/0 Free
periodical press (Magazines)
БЕКМАГАМБЕТОВ М.
Бекмагамбетов, М. Проблемы создания современной системы городских пассажирских перевозок в Казахстане [Текст] / М. Бекмагамбетов // Транзитная экономика. - 2006. - № 5-6. - С. 5-12. ISSN 2413-4953.
UDC:
656.02
Subject headings
- Транспортные маршруты, перевозки и специальные характеристики
Annotation
В статье рассматриваются вопросы развития городских пассажирских перевозок в Казахстане
Keywords
пассажирские перевозки, городские пассажирские перевозки, перевозки, транспорт, транспортные технологии, BRT, LRT, пассажирские потоки
Kazakhstan
0/0 Free
periodical press (Magazines)
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
.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
This paper considers a family of linear two-point boundary value problems for systems of ordinary differential equations
Keywords
multipoint boundary value problem, existence of solution, well-posedness, necessary and sufficient condition, шеттік есеп, дифференциальные уравнения, дифференциалдық теңдеулер, краевые задачи
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.518.45
Subject headings
- Fourier series
Annotation
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
Keywords
Fourier-Haar series, coefficients of multiple Fourier-Haar series, ряды Фурье-Хаара, Фурье-Хаар қатары, variational modulus of continuity
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.954
Subject headings
- Boundary value problems
Annotation
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
Keywords
Initial boundary problem, Fourier method, uniqueness, existence, eigenvalue, eigenfunction, functional series, Фурье әдісі, бастапқы-шеттік есеп, метод Фурье, начально-краевая задача
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
515.122
Subject headings
- Topological spaces
Annotation
Approximation operators are defined and the characteristics of the proposed sets are studied with examples
Keywords
Soft set, simply open, approximation space, rough set, топологиялық кеңістік, аппроксимационное пространство, topological space, жұмсақ жиын, мягкое множество
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
517.51
Subject headings
- Functions of real variables. Valid functions
Annotation
This article is devoted to the topic of absolute summation of series or Cesaro summation
Keywords
trigonometric series, Fourier series, Lebesgue space, best approximation by «angle», absolute summability of the series, Фурье қатары, Лебег кеңістігі, ряд Фурье, пространство Лебега
Kazakhstan
0/0 Free
ULBRIKHT O. I.
A FRAGMENT OF A THEORETICAL SET AND ITS STRONGLY MINIMAL CENTRAL TYPE
periodical press (Magazines)
0/0 Free
YESSENBAYEVA G. A.
ON THE FUNCTION APPROXIMATION BY TRIGONOMETRIC POLYNOMIALS AND THE PROPERTIES OF FAMILIES OF FUNCTION CLASSES OVER HARMONIC INTERVALS
periodical press (Magazines)
0/0 Free
TLEUKHANOVA N. T.
ON THE FOURIER TRANSFORM OF FUNCTIONS FROM A LORENTZ SPACE L 2,R WITH A MIXED METRIC
periodical press (Magazines)
0/0 Free
TEMIRKHANOVA A. M.
CRITERIA FOR THE BOUNDEDNESS OF A CERTAIN CLASS OF MATRIX OPERATORS FROM LPV INTO LQU
periodical press (Magazines)
0/0 Free
БЕКМАГАМБЕТОВ М.
ПРОБЛЕМЫ СОЗДАНИЯ СОВРЕМЕННОЙ СИСТЕМЫ ГОРОДСКИХ ПАССАЖИРСКИХ ПЕРЕВОЗОК В КАЗАХСТАНЕ
periodical press (Magazines)
0/0 Free
ABDIMANAPOVA P. B.
WELL-POSEDNESS CRITERIA FOR ONE FAMILY OF BOUNDARY VALUE PROBLEMS
periodical press (Magazines)
0/0 Free
AKHAZHANOV T. B.
COEFFICIENTS OF MULTIPLE FOURIER-HAAR SERIES AND VARIATIONAL MODULUS OF CONTINUITY
periodical press (Magazines)
0/0 Free
APAKOV YU. P.
ON A BOUNDARY PROBLEM FOR THE FOURTH ORDER EQUATION WITH THE THIRD DERIVATIVE WITH RESPECT TO TIME
periodical press (Magazines)
0/0 Free
PARVATHY C. R.
A STUDY ON NEW CLASSES OF BINARY SOFT SETS IN TOPOLOGICAL ROUGH APPROXIMATION SPACE
periodical press (Magazines)
0/0 Free
BITIMKHAN S.
BEST APPROXIMATION BY «ANGLE» AND THE ABSOLUTE CESARO SUMMABILITY OF DOUBLE FOURIER SERIES
periodical press (Magazines)
0/0 Free