Electronic catalog
language:English
catalogue:Articles
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471-480 of 955
periodical press (Magazines)
YUCEL M.
Yucel, M. Generalized differential transformation method for solving two-interval Weber equation subject to transmission conditions [Text] / M. Yucel, F. S. Muhtarov , O. Sh. Mukhtarov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 168-176. - Bibliogr.: p. 168-176 ISSN 2518-7929.
UDC:
519.62
Subject headings
- Numerical methods for solving differential equations
Annotation
The main goal of this study is to adapt the classical differential transformation method to solve new types of boundary value problems
Keywords
two-interval problems, the differential transformation method, Weber equation, transmission conditions
Kazakhstan
0/0 Free
periodical press (Magazines)
HAN F.
Han, F. Application of GIS technology in cross-border tourism cooperation planning. Taking the analysis of the spatial pattern of cross-border eco-tourism cooperation in the Altai Mountains region as an example [Text] / F. Han, A. Adai , B. D. Zhandilla // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 1 (109). - P. 199-205. - Bibliogr.: p. 204-205 ISSN 2518-7201.
UDC:
338.48:910.2
Subject headings
- Tourism. Geographical research
Annotation
This paper takes the spatial pattern of cross-border tourism cooperation in the Altai Mountains region as the research object
Keywords
GIS technology, torism planning, tourism development, spatial pattern, application value, ecotourism, 3D scene simulation, terrain analysis
Kazakhstan
0/0 Free
periodical press (Magazines)
MARDANOV M. J.
Mardanov, M. J. An optimal control problem for the systems with integral boundary conditions [Text] / M. J. Mardanov, Y. A. Sharifov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 119-121. - Bibliogr.: p. 119-121 ISSN 2518-7929.
UDC:
517.97
Subject headings
- Calculus of variations and the mathematical theory of optimal control
Annotation
In this paper, an optimal control problem with a "pure", integral boundary condition is considered. The Green’s function is constructed
Keywords
integral boundary conditions, integral conditions, nonlinear boundary, singular control, optimal control problem
Kazakhstan
0/0 Free
periodical press (Magazines)
KURINA G. A.
Kurina, G. A. Minimizing sequences for a linear-quadratic control problem with three-tempo variables under weak nonlinear perturbations [Text] / G. A. Kurina, M. A. Kalashnikova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 94-109. - Bibliogr.: p. 106-107 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
The paper deals with the construction of minimizing sequences for the problem of minimizing a weakly nonlinearly perturbed quadratic performance index on trajectories of a weakly nonlinear system with threetempo state variables
Keywords
three-tempo variables, nonlinear control problems, asymptotic estimates, minimizing sequences, differential equations
Kazakhstan
0/0 Free
periodical press (Magazines)
YAKAR А.
Yakar, А. Extensions of some differential inequalities for fractional integro-differential equations via upper and lower solutions [Text] / А. Yakar, H. Kutlay // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 156-167. - Bibliogr.: p. 165-166 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
This paper deals with some differential inequalities for generalized fractional integro-differential equations by using the technique of upper and lower solutions
Keywords
fractional differential equations, differential inequalities, upper and lower solutions, boundary value problem
Kazakhstan
0/0 Free
periodical press (Magazines)
ADIGUZEL H.
Adiguzel, H. Asymptotic behavior of solutions of sum-difference equations [Text] / H. Adiguzel, E. Can // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 14-23. - Bibliogr.: p. 20-21 ISSN 2518-7929.
UDC:
517.929
Subject headings
- Difference equations
Annotation
In this paper, a study of the asymptotic behavior of solutions of sum-difference equations was presented
Keywords
asymptotic behavior, oscillation, nonoscillation, difference equations, Caputo fractional difference operator
Kazakhstan
0/0 Free
periodical press (Magazines)
ABDYLDAEVA E. F.
Abdyldaeva, E. F. On the solvability of a nonlinear optimization problem with boundary vector control of oscillatory processes [Text] / E. F. Abdyldaeva, A. K. Kerimbekov , M. T. Zhaparov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 5-13. - Bibliogr.: p. 10-11 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In the paper, the solvability of the nonlinear boundary optimization problem has been investigated for the oscillation processes, described by the integro-differential equation in partial derivatives with Fredholm integral operator
Keywords
general solution, nonlinear optimization, boundary vector control, functional, optimal conditions, property of equal relations
Kazakhstan
0/0 Free
periodical press (Magazines)
ASHYRALYEV А.
Ashyralyev, А. Numerical solution of the boundary value problems for the parabolic equation with involution [Text] / А. Ashyralyev, C. Ashyralyyev , A. M. S. Ahmed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 56-57. - Bibliogr.: p. 56-57 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
This work studied two boundary value problems for involutary parabolic equation with the first and second kind conditions
Keywords
involution, parabolic, finite difference scheme, stability estimate, boundary value problem
Kazakhstan
0/0 Free
periodical press (Magazines)
TOKMAGAMBETOVA T. D.
Tokmagambetova, T. D. On one solution of a periodic boundary value problem for a hyperbolic equations [Text] / T. D. Tokmagambetova, N. T. Orumbayeva // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 1 (109). - P. 141-155. - On one solution of a periodic boundary value problem for a hyperbolic equations ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In a rectangular domain, we consider a boundary value problem periodic in one variable for a system of partial differential equations of hyperbolic type
Keywords
boundary value problem, hyperbolic equations, algorithm, parametrization method, approximate solution
Kazakhstan
0/0 Free
periodical press (Magazines)
AMЕRTAYEVA G. A.
Amеrtayeva, G. A. Morphological characteristics and anatomical features of the perennial herb Ajania fastigiata (C. Winkl.) Poljakov (Asteraceae) [Text] / G. A. Amеrtayeva, A. T. Mamurova , Osmonali // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 1 (109). - P. 28-36. - Bibliogr.: p. 34 ISSN 2518-7201.
UDC:
581.4
Subject headings
- Plant morphology. Plant anatomy
Annotation
Our object of research is Ajania fastigiata, which is distributed throughout the mountainous territory of the Southern and Southeastern regions of the Republic of Kazakhstan
Keywords
Asteraceae, Ajania fastigiata, medicinal plants, essencial oils, systematic features, Trans-Ili Alatau
Kazakhstan
0/0 Free
YUCEL M.
GENERALIZED DIFFERENTIAL TRANSFORMATION METHOD FOR SOLVING TWO-INTERVAL WEBER EQUATION SUBJECT TO TRANSMISSION CONDITIONS
periodical press (Magazines)
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HAN F.
APPLICATION OF GIS TECHNOLOGY IN CROSS-BORDER TOURISM COOPERATION PLANNING. TAKING THE ANALYSIS OF THE SPATIAL PATTERN OF CROSS-BORDER ECO-TOURISM COOPERATION IN THE ALTAI MOUNTAINS REGION AS AN EXAMPLE
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MARDANOV M. J.
AN OPTIMAL CONTROL PROBLEM FOR THE SYSTEMS WITH INTEGRAL BOUNDARY CONDITIONS
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KURINA G. A.
MINIMIZING SEQUENCES FOR A LINEAR-QUADRATIC CONTROL PROBLEM WITH THREE-TEMPO VARIABLES UNDER WEAK NONLINEAR PERTURBATIONS
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YAKAR А.
EXTENSIONS OF SOME DIFFERENTIAL INEQUALITIES FOR FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS VIA UPPER AND LOWER SOLUTIONS
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ABDYLDAEVA E. F.
ON THE SOLVABILITY OF A NONLINEAR OPTIMIZATION PROBLEM WITH BOUNDARY VECTOR CONTROL OF OSCILLATORY PROCESSES
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ASHYRALYEV А.
NUMERICAL SOLUTION OF THE BOUNDARY VALUE PROBLEMS FOR THE PARABOLIC EQUATION WITH INVOLUTION
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TOKMAGAMBETOVA T. D.
ON ONE SOLUTION OF A PERIODIC BOUNDARY VALUE PROBLEM FOR A HYPERBOLIC EQUATIONS
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AMЕRTAYEVA G. A.
MORPHOLOGICAL CHARACTERISTICS AND ANATOMICAL FEATURES OF THE PERENNIAL HERB AJANIA FASTIGIATA (C. WINKL.) POLJAKOV (ASTERACEAE)
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