Electronic catalog
Genre:Прикладные науки. Общие вопросы. Техника (technics_IT)
language:English
catalogue:Articles
Search result:
71-80 of 152
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)
AYDIN A.
Aydın, A. Statistical convergence in vector lattices [Text] / A. Aydın, F. Temizsu // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 4-10. - Bibliogr.: p. 9-10 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In this paper, the statistical convergence in vector lattices by using the finite additive measures on directed sets have been introduced
Keywords
statistical convergence of nets, order convergence, vector lattice, directed set measure
Kazakhstan
0/0 Free
periodical press (Magazines)
BEKMAGANBETOV K. A.
Bekmaganbetov, K. A. Homogenization of Attractors to Ginzburg-Landau Equations in Media with Locally Periodic Obstacles: Critical Case [Text] / K. A. Bekmaganbetov, G. A. Chechkin , V. V. Chepyzhov [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 11-27. - Bibliogr.: p. 25-26 ISSN 2518-7929.
UDC:
517.9
Subject headings
- Differential equations. Integral equations
Annotation
In this paper the Ginzburg-Landau equation is considered in locally periodic porous medium, with rapidly oscillating terms in the equation and boundary conditions
Keywords
attractors, homogenization, Ginzburg-Landau equations, nonlinear equations, weak convergence , perforated domain, strange term, porous medium
Kazakhstan
0/0 Free
periodical press (Magazines)
SARTABANOV ZH. A.
Sartabanov, Zh. A. Bounded on the semi-axis multiperiodic solution of a linear finite-hereditarity integro-differential equation of parabolic type [Text] / Zh. A. Sartabanov, G. M. Aitenova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2023. - № 3 (111). - P. 109-121. - Bibliogr.: p. 118-119 ISSN 2518-7929.
UDC:
517.95
Subject headings
- Partial differential equations
Annotation
The question of the existence of a solution of linear integro-differential systems of parabolic type limited on the semiaxis in a spatial variable and multiperiodic in time variables was considered
Keywords
integro-differential, finite-hereditarity, convection, diffusion, parabolic type, differentiation operator, Fourier series
Kazakhstan
0/0 Free
MARDANOV M. J.
AN OPTIMAL CONTROL PROBLEM FOR THE SYSTEMS WITH INTEGRAL BOUNDARY CONDITIONS
periodical press (Magazines)
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KURINA G. A.
MINIMIZING SEQUENCES FOR A LINEAR-QUADRATIC CONTROL PROBLEM WITH THREE-TEMPO VARIABLES UNDER WEAK NONLINEAR PERTURBATIONS
periodical press (Magazines)
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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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periodical press (Magazines)
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ABDYLDAEVA E. F.
ON THE SOLVABILITY OF A NONLINEAR OPTIMIZATION PROBLEM WITH BOUNDARY VECTOR CONTROL OF OSCILLATORY PROCESSES
periodical press (Magazines)
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ASHYRALYEV А.
NUMERICAL SOLUTION OF THE BOUNDARY VALUE PROBLEMS FOR THE PARABOLIC EQUATION WITH INVOLUTION
periodical press (Magazines)
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TOKMAGAMBETOVA T. D.
ON ONE SOLUTION OF A PERIODIC BOUNDARY VALUE PROBLEM FOR A HYPERBOLIC EQUATIONS
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BEKMAGANBETOV K. A.
HOMOGENIZATION OF ATTRACTORS TO GINZBURG-LANDAU EQUATIONS IN MEDIA WITH LOCALLY PERIODIC OBSTACLES: CRITICAL CASE
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SARTABANOV ZH. A.
BOUNDED ON THE SEMI-AXIS MULTIPERIODIC SOLUTION OF A LINEAR FINITE-HEREDITARITY INTEGRO-DIFFERENTIAL EQUATION OF PARABOLIC TYPE
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0/0 Free