Browsing Matematik ve Fen Bilimleri Eğitimi Bölümü by Title
Now showing items 69-88 of 114
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On the analysis of stability, bifurcation, and chaos control of discrete-time predator-prey model with Allee effect on predator
(1.04.2022)In this paper, a discrete predator-prey model with Allee effect which is obtained by the forward Euler method has been investigated. The local stability conditions of the model at the fixed point have been discussed. In ... -
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, ... -
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 ... -
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. ... -
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 robustness of the integrable trajectories of the control systems with limited control resources
(Polish Academy of Sciences, 14.09.2023)The control system described by Urysohn type integral equation is considered where the system is nonlinear with respect to the phase vector and is affine with respect to the control vector. The control functions are chosen ... -
On the robustness of the integrable trajectories of the control systems with limited control resources
(Polish Academy of Sciences, 14.09.2023)The control system described by Urysohn type integral equation is considered where the system is nonlinear with respect to the phase vector and is affine with respect to the control vector. The control functions are chosen ... -
On the robustness of the integrable trajectories of the control systems with limited control resources
(Polish Academy of Sciences, 14.09.2023)The control system described by Urysohn type integral equation is considered where the system is nonlinear with respect to the phase vector and is affine with respect to the control vector. The control functions are ... -
Optical Properties of Cylindrical Quantum Dots with Hyperbolic-Type Axial Potential under Applied Electric Field
(2022)In this paper, we have researched the electronic and optical properties of cylindrical quantum dot structures by selecting four different hyperbolic-type potentials in the axial direction under an axially-applied electric ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
(16.5.2021)In this study, the binding energies of an on-center and off-center hydrogenic donor impurity in a spherical quantum dot with finite confinement potential under an applied external magnetic field are investigated in detail ... -
Pd-PEPPSI: X-ray Structure, Spectroscopic Analyses, and Quantum Mechanical Studies
(2021)Pyridine enhanced precatalyst preparation stabilization and initiation (PEPPSI) complexes contain two halides, an unstable pyridine derivative and a bulky N-heterocyclic carbene (NHC) ligand. In this study, a new ... -
PEPPSI complexes as potential prodrugs: enzyme inhibition, antioxidant activity, electrochemical characterization, molecular docking analysis
(2021)In this study, enzyme inhibition and antioxidant activity analyzes of previously characterized pyridine-enhanced precatalyst preparation stabilization and initiation (PEPPSI)-type Palladium(II) complexes with ... -
PEPPSI type complexes: Synthesis, x-ray structures, spectral studies, molecular docking and theoretical investigations
(2021)In this work, three novel potent benzimidazolium-derived PEPPSI type palladium complexes, namely dichloro[1-allyl-3-benzylbenzimidazole-2-ylidene]pyridine palladium(II) (1), dichloro[1-allyl-3-(1- naphthylmethyl)benzim ... -
Photoionization cross section of a D+ 2 complex in quantum dots: the role of donor atoms configuration
(2022)This study reports a theoretical investigation on the electronic spectrum and the photoionization cross section of a singly ionized double donor complex D+ 2 confined in a two-dimensional quantum dot with Gaussian ... -
Photoluminescence characteristic of as-grown and thermally annealed nand p-type modulation-doped Ga0.68In0.32NxAs1-x/GaAs quantum well structures
(9.6.2021)The electronic band structure of n- and p-type modulation-doped Ga0.68In0.32NyAs1-y/GaAs (y=0, 0.9, 1.2, 1.7) quantum well is calculated using the 10 band k•p model and the finite element method for valance band (VB) and ... -
Physicochemical properties, drug likeness, ADMET, DFT studies, and in vitro antioxidant activity of oxindole derivatives
(Elsevier, 2023)Poor pharmacokinetic and safety profiles create significant hurdles in the drug development process. This work focuses on a detailed understanding of drug discovery interplay among physicochemical, pharmacokinetic, toxicity ... -
Pyrimidine and cumene derivatives functionalized by hydroxy and methoxy: Computational insights in drug-likeness, ADM, and toxicity studies
(Elsevier, 2023)The –OH and –OCH3 functionalized isopropyl cumene and isopropyl pyrimidine derivatives were designed and, explored in terms of the ADM, and possible toxic effects in view of the medicinal and environmental. For this goal, ... -
Shallow‑donor impurity effects on the far infrared electron–electron optical absorption coefficient in single and core/shell spherical quantum dots with Konwent‑like confinement potential
(2022)In this study, the electronic and optical properties of single or core/shell quantum dots, which are formed depending on the parameters in the selected Konwent potential, are investigated. Namely, the effects of the size ...