Elektrondy katalog
Janr:Жаратылыстану ғылымдары (natural_sciences)
Katalog:Maqalalar
Nátejeler:
4151-4160 ız 4428
мерзімді басылым(Журналы)
ABIEV N. A.
Abiev, N. A. Structural properties of the sets of positively curved Riemannian metrics on generalized Wallach spaces [Text] / N. A. Abiev // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 4-17. - Bibliogr.: p. 16-17 ISSN 2518-7929.
ÁOJ:
512
Taqyrypty aıdarlar
- Algebra
Ańdatpa
In the present paper sets related to invariant Riemannian metrics of positive sectional and (or) Ricci curvature on generalized Wallach spaces are considered
Kіlt sózder
generalized Wallach space, Riemannian metric, Kähler metric, normalized Ricci flow, sectional curvature, Ricci curvature, dynamical system, singular point
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ASKARBEKKYZY A.
Askarbekkyzy, A. Punctual numberings for families of sets [Text] / A. Askarbekkyzy Bagaviev , V. Isakov [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 31-40. - Bibliogr.: p. 38-40 ISSN 2518-7929.
ÁOJ:
51
Taqyrypty aıdarlar
- Mathematics
Ańdatpa
This work investigates the structure of punctual numberings for families of punctually enumerable sets with respect to primitive recursively reducibility
Kіlt sózder
Rogers semilattice, quick functions, punctual numberings, primitive recursive functions, punctually enumerable sets
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BENSASSA K.
Bensassa, K. On solution of non-linear FDE under tempered Ψ−Caputo derivative for the first-order and three-point boundary conditions [Text] / K. Bensassa, M. Benbachir , M. E. Samei [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 41-56. - Bibliogr.: p. 54-56 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
In this article, the existence and uniqueness of solutions for non-linear fractional differential equation with Tempered Ψ−Caputo derivative with three-point boundary conditions were studied
Kіlt sózder
fractional differential equations, tempered Ψ−Caputo derivative, nonlinear analysis, Schaefer’s fixed point theorem, Banach contraction
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ASHYRALYEV A.
Ashyralyev, A. The compact eighth-order of approximation difference schemes for fourth-order differential equation [Text] / A. Ashyralyev, I. M. Ibrahim // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 18-30. - Bibliogr.: p. 29-30 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
Local and nonlocal boundary value problems (LNBVPs) related to fourth-order differential equations (FODEs) were explored
Kіlt sózder
Taylor’s decomposition on five points (TDFP), LNBVPs, DSs, approximation, numerical experiment
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BOBODZHANOVA M. A.
Bobodzhanova, M. A. Singularly perturbed integro-differential equations with degenerate Hammerstein’s kernel [Text] / M. A. Bobodzhanova, B. T. Kalimbetov , V. F. Safonov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 57-68. - Bibliogr.: p. 66-68 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
Singularly perturbed integro-differential equations with degenerate kernels are considered
Kіlt sózder
singularly perturbed, Hammerstein’s equation, degenerate kernel, Fredholm’s equations, analytic function, Laurent’s series, passage to the limit, the Maple program
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BOUSSAHA A.
Boussaha, A. A modified Jacobi elliptic functions method for optical soliton solutions of a conformable nonlinear Schrödinger equation [Text] / A. Boussaha, B. Semmar , M. Al-Smadi [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 69-77. - Bibliogr.: p. 75-77 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
In this paper, precise and exact traveling wave solutions of the conformable differential nonlinear Schrödinger equation is studied
Kіlt sózder
non-linear Schrödinger equation, conformable fractional derivative, modified Jacobi elliptic functions method, extracting optical solitons-solutions, fractional derivative
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ÖZMEN N.
Özmen, N. Advances in the generalized Cesaro polynomials [Text] / N. Özmen, E. Erkuş-Duman // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 159-169. - Bibliogr.: p. 169 ISSN 2518-7929.
ÁOJ:
512.622
Taqyrypty aıdarlar
- Polynomials
Ańdatpa
This paper aims to introduce a multivariable and multiparameter generalization of Cesaro polynomials
Kіlt sózder
Cesaro polynomials, generating function, recurrence relation, hypergeometric function, integral representation
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
NURAKHMETOV T. N.
Nurakhmetov, T. N. Formation of a combined electron-hole emission state in the LiRbSO4 – Eu phosphor [Text] / T. N. Nurakhmetov, R. Z. Bakhtizin , D. A. Tolekov [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 25-33. - Bibliogr.: p. 30-31 ISSN 2518-7198.
ÁOJ:
535.3
Taqyrypty aıdarlar
- Emission
Ańdatpa
In the irradiated phosphor 4LiRbSO Eu, the mechanisms of formation of the induced or combined electron-emitting state at 3.1-2.94 eV were studied using optical and thermal activation spectroscopy methods
Kіlt sózder
electron, hole, recombination emission, intrinsic emission, sulfate, excitation, рекомбинациялық сәулелендіру, рекомбинационное излучение
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
SEISENBAYEVA G. S.
Seisenbayeva, G. S. Enhanced charge separation at the interface of Cu2O/CuSCN composite thin films synthesized by electrodeposition technique [Text] / G. S. Seisenbayeva, D. S. Kambar , A. V. Zavgorodniy [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 34-40. - Bibliogr.: p. 39 ISSN 2518-7198.
ÁOJ:
535
Taqyrypty aıdarlar
- Optics
Ańdatpa
This study focuses on the synthesis and characterization of hole transport layers (HTLs) for solar cells, particularly copper(I) thiocyanate (CuSCN) and cuprous oxide (Cu2O), synthesized via electrodeposition techniques
Kіlt sózder
solar cells, hole transport layers, electrodeposition, copper(I) thiocyanate, cuprous oxide, optimal synthesis conditions, photoelectric response, chare transport, электр тұндыру, электроосаждение
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
SALIM S. H.
Salim, S. H. Solving Volterra-Fredholm integral equations by non-polynomial spline functions [Text] / S. H. Salim, K. H. F. Jwamer , R. K. Saeed // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 170-184. - Bibliogr.: p. 183-184 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
In this paper a novel non-polynomial spline function to obtain the numerical solution of equation (1) for the first time
Kіlt sózder
Volterra integral equation, Fredholm integral equation, non-polynomial spline function, integral equations, linear equations
Qazaqstandуq
0/0 Bos
ABIEV N. A.
STRUCTURAL PROPERTIES OF THE SETS OF POSITIVELY CURVED RIEMANNIAN METRICS ON GENERALIZED WALLACH SPACES
мерзімді басылым(Журналы)
0/0 Bos
мерзімді басылым(Журналы)
0/0 Bos
BENSASSA K.
ON SOLUTION OF NON-LINEAR FDE UNDER TEMPERED Ψ−CAPUTO DERIVATIVE FOR THE FIRST-ORDER AND THREE-POINT BOUNDARY CONDITIONS
мерзімді басылым(Журналы)
0/0 Bos
ASHYRALYEV A.
THE COMPACT EIGHTH-ORDER OF APPROXIMATION DIFFERENCE SCHEMES FOR FOURTH-ORDER DIFFERENTIAL EQUATION
мерзімді басылым(Журналы)
0/0 Bos
BOBODZHANOVA M. A.
SINGULARLY PERTURBED INTEGRO-DIFFERENTIAL EQUATIONS WITH DEGENERATE HAMMERSTEIN’S KERNEL
мерзімді басылым(Журналы)
0/0 Bos
BOUSSAHA A.
A MODIFIED JACOBI ELLIPTIC FUNCTIONS METHOD FOR OPTICAL SOLITON SOLUTIONS OF A CONFORMABLE NONLINEAR SCHRÖDINGER EQUATION
мерзімді басылым(Журналы)
0/0 Bos
мерзімді басылым(Журналы)
0/0 Bos
NURAKHMETOV T. N.
FORMATION OF A COMBINED ELECTRON-HOLE EMISSION STATE IN THE LIRBSO4 – EU PHOSPHOR
мерзімді басылым(Журналы)
0/0 Bos
SEISENBAYEVA G. S.
ENHANCED CHARGE SEPARATION AT THE INTERFACE OF CU2O/CUSCN COMPOSITE THIN FILMS SYNTHESIZED BY ELECTRODEPOSITION TECHNIQUE
мерзімді басылым(Журналы)
0/0 Bos
SALIM S. H.
SOLVING VOLTERRA-FREDHOLM INTEGRAL EQUATIONS BY NON-POLYNOMIAL SPLINE FUNCTIONS
мерзімді басылым(Журналы)
0/0 Bos