Matematik ve Fen Bilimleri Eğitimi Bölümü: Recent submissions
Now showing items 21-40 of 114
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DYNAMICAL COMPLEXITIES IN A DISCRETE-TIME PREDATOR-PREY SYSTEM AS CONSEQUENCES OF THE WEAK ALLEE EFFECT ON PREY
(2023)In this paper, a two dimensional discrete-time predator-prey system with weak Allee effect, affecting the prey population, is considered. The existence of the positive fixed points of the system and topological classification ... -
On the qualitative study of a discrete fractional order prey–predator model with the effects of harvesting on predator population
(25 August )This research investigates the discrete prey–predator model by including harvesting on the predator population, in the sense of Caputo fractional derivative. We define the topological categories of the model fixed points. ... -
16. Uluslararası Eğitim Araştırmaları Kongresi Özet Metin Kitabı
(29.10.2023)16. Uluslararası Eğitim Araştırmaları Kongresi Özet Metin Kitabı -
The effect of the flipped classroom model on gifted students’ self-regulation skills and academic achievement
(ELSEVIER, Mart, 2023)This research examines the effect of the flipped classroom model on gifted students’ achievement and self-regulation skills using the embedded design, a mixed research method. For this aim, the research has been carried ... -
Effects of external fields on the nonlinear optical rectification and second harmonic generation of GaAs/GaAlAs zigzag quantum well
(ELSEVIER, 15 Şubat 2)For the first time, the impact of externally applied static electric and magnetic field on the nonlinear op- tical rectification (NOR) and second harmonic generation (SHG) coefficients of GaAs/GaAlAs zigzag quan- tum well ... -
Modeling and simulation of the influence of quantum dots density on solar cell properties
(Springer, 12 Şubat 2)Based on the finite element method using the FEniCS computing platform and python programming, we solve the Schrödinger equation within the effective mass approximation. Its solution gives us the necessary energy for an ... -
The nonlinear optical properties of "12-6" tuned GaAs/GaAlAs double quantum well under the external fields
(Springer, 22 Şubat 2)We have studied the linear and nonlinear optical properties of 12-6GaAs/Ga1-xAlxAs double quantum well heterostructure under different external fields’ effects such as electric, magnetic and intense laser fields. We also ... -
Effects of external electric and magnetic field on the nonlinear optical rectification, second, and third-harmonic generations in GaAs/AlGaAs asymmetric triple quantum well
(Springer, 31 Temmuz )In this paper, we theoretically investigate the nonlinear optical rectification (NOR), second-harmonic generation (SHG), and third-harmonic generation (THG) coefficients of an AlGaAs/GaAs asymmetric triple quantum well ... -
On the continuity properties of the L_p balls
(Walter de Gruyter GmbH, 14.04.2023)In this paper the right upper semicontinuity at p = 1 and continuity at p = ∞ of the set-valued map p → B_{\Omega,X,p}(r), p ∈ [1, ∞], are studied where B_{\Omega,X,p}(r) is the closed ball of the space L_p(\Omega, Σ, \mu; ... -
On the continuity properties of the Lp balls
(Walter de Gruyter GmbH, 11.04.2023)In this paper the right upper semicontinuity at p = 1 and continuity at p = ∞ of the set-valued map p → B_{\Omega,X,p}(r), p ∈ [1,∞], are studied where B_{\Omega,,X,p}(r) is the closed ball of the space L_p(\Omega, Σ, ... -
Simultaneous effects of anisotropy and internuclear distance on the D+ 2 complex-related self-polarization in quantum dots
(2023)In this study, we investigate the simultaneous effects of anisotropy and internuclear distance on the selfpolarization of the D+2 complex in quantum dots for different confinement sizes. Numerical calculations were carried ... -
Diamagnetic susceptibility of an artificial hydrogen molecule ion DD2 + confined to quantum dots: effects of anisotropy
(2023)We present the numerical results obtained by the twodimensional diagonalisation method concerning the anisotropy and internuclear distance dependence of the electronic structure, total energy and diamagnetic susceptibility ... -
Spin–Orbit and Zeeman Effects on the Electronic Properties of Single Quantum Rings: Applied Magnetic Field and Topological Defects
(2023)Within the framework of effective mass theory, we investigate the effects of spin–orbit interaction (SOI) and Zeeman splitting on the electronic properties of an electron confined in GaAs single quantum rings. Energies ... -
Hydrogen molecular ion-related nonlinear optical rectification in quantum dots
(2023)The influence of the internuclear distance and quantum dot size on the nonlinear optical rectification of a hydrogen molecular ion D+ 2 confined in a two-dimensional quantum dot was calculated. In the framework of the ... -
The impact of the laser field on the electronic properties of a hydrogen molecular ion in a Gaussian quantum dot
(2023)In this study, the influence of a circularly polarized non-resonant high-frequency laser field radiation on the electronic structure of a hydrogen molecular ion formed by two fixed hydrogen-like donor atoms bound to ... -
Approximation of the image of the $L_p$ ball under Hilbert-Schmidt integral operator
(De Gruyter, 14.04.2023)In this paper an approximation of the image of the closed ball of the space $L_p$ $(p>1)$ centered at the origin with radius $r$ under Hilbert-Schmidt integral operator $F( \cdot ):L_p\rightarrow L_q$, $\frac{1}{p}+\frac{1}{q}=1,$ ... -
Urysohn Tür İntegral Denklem ile Verilen Kontrol Sistemin Yörüngeler Kümesinin Özellikleri Üzerine (On the Properties of the Set of Trajectories of the Control System Described by Urysohn Type Integral Equation)
(Düzce Üniversitesi, 30.10.2023)Bu çalışmada Urysohn tür integral denklem ile verilen control systemin yörüngeler kümesinin özellikleri incelenmektedir. Kontrol fonksiyonların integral kısıtı sağladığı varsayılmaktadır. Yörüngeler kümesinin control ... -
On the robustness of continuous trajectories of the control system described by an integral equation
(KOREAN SOC MATHEMATICAL EDUCATION, 30.05.2023)In this paper the control system described by Urysohn type integral equation is studied. It is assumed that control functions are integrally constrained. The trajectory of the system is defined as multivariable continuous ... -
On the properties of the set of trajectories of the nonlinear control system with quadratic integral constraint on the control functions
(Krasovskii Institute of Mathematics and Mechanics of the Ural Branch of Russian Academy of Sciences, 30.06.2023)In this paper the control system described by a nonlinear differential equation is studied. It is assumed that the control functions have a quadratic integral constraint, more precisely, the admissible control functions ...