Electronic catalog
language:English
catalogue:Articles
Search result:
471-480 of 1510

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

periodical press (Magazines)
BEISEMBAY A. ZH.
Beisembay, A. Zh. Powdery mildews fungi of trees of Karaganda, Balkhash and Temirtau cities [Text] / A. Zh. Beisembay, A. K. Ospanova , A. Kali // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 1 (109). - P. 37-43. - Bibliogr.: p. 42 ISSN 2518-7201.
UDC:
581.2
Subject headings
- Plant pathology. Phytopathology
Annotation
The article presents information about the types of powdery fungi affecting various types of trees growing in parks and squares of the cities of Karaganda, Balkhash, Temirtau
Keywords
tree planting, herbarium, phytopathogenic fungi, host-plant, powdery mildews fungi, seasonal dynamics, chasmothecia
Kazakhstan
0/0 Free
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
periodical press (Magazines)
0/0 Free
MARDANOV M. J.
AN OPTIMAL CONTROL PROBLEM FOR THE SYSTEMS WITH INTEGRAL BOUNDARY CONDITIONS
periodical press (Magazines)
0/0 Free
KURINA G. A.
MINIMIZING SEQUENCES FOR A LINEAR-QUADRATIC CONTROL PROBLEM WITH THREE-TEMPO VARIABLES UNDER WEAK NONLINEAR PERTURBATIONS
periodical press (Magazines)
0/0 Free
YAKAR А.
EXTENSIONS OF SOME DIFFERENTIAL INEQUALITIES FOR FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS VIA UPPER AND LOWER SOLUTIONS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
ABDYLDAEVA E. F.
ON THE SOLVABILITY OF A NONLINEAR OPTIMIZATION PROBLEM WITH BOUNDARY VECTOR CONTROL OF OSCILLATORY PROCESSES
periodical press (Magazines)
0/0 Free
ASHYRALYEV А.
NUMERICAL SOLUTION OF THE BOUNDARY VALUE PROBLEMS FOR THE PARABOLIC EQUATION WITH INVOLUTION
periodical press (Magazines)
0/0 Free
TOKMAGAMBETOVA T. D.
ON ONE SOLUTION OF A PERIODIC BOUNDARY VALUE PROBLEM FOR A HYPERBOLIC EQUATIONS
periodical press (Magazines)
0/0 Free
AMЕRTAYEVA G. A.
MORPHOLOGICAL CHARACTERISTICS AND ANATOMICAL FEATURES OF THE PERENNIAL HERB AJANIA FASTIGIATA (C. WINKL.) POLJAKOV (ASTERACEAE)
periodical press (Magazines)
0/0 Free
BEISEMBAY A. ZH.
POWDERY MILDEWS FUNGI OF TREES OF KARAGANDA, BALKHASH AND TEMIRTAU CITIES
periodical press (Magazines)
0/0 Free