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44
result(s) for
"Thabet Sabri T M"
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Impacts of soret and dufour possessions on micropolar fluid past a stretching sheet in a porous medium
by
Thabet, Sabri T. M.
,
Mani, Gunaseelan
,
Ahamedsheriff, Shakila
in
639/705/1041
,
639/705/1045
,
Behavior
2025
This work look for Soret and Dufour thing on MHD flow for micropolar fluid on sheet with hole stretch, also see hot from electric and warm from move, which old study no much talk. These hot and mix change speed, hot, spin, and mix of fluid in layer. The big math changes to small math by same change and solve in MATLAB BVP4C. Picture line and table show number for skin friction, Nusselt, Sherwood. We see more M make slow speed, light heat make thick hot layer, more micro make more spin near wall. Also, hot from electric and warm from move make more hot, so need in work like earth heat take, oil get, and hot change machine in hole thing.
Journal Article
Theoretical and numerical analysis for transmission dynamics of COVID-19 mathematical model involving Caputo–Fabrizio derivative
by
Shah, Kamal
,
Thabet Sabri T M
,
Abdo, Mohammed S
in
Coronaviruses
,
COVID-19
,
Disease transmission
2021
This manuscript is devoted to a study of the existence and uniqueness of solutions to a mathematical model addressing the transmission dynamics of the coronavirus-19 infectious disease (COVID-19). The mentioned model is considered with a nonsingular kernel type derivative given by Caputo–Fabrizo with fractional order. For the required results of the existence and uniqueness of solution to the proposed model, Picard’s iterative method is applied. Furthermore, to investigate approximate solutions to the proposed model, we utilize the Laplace transform and Adomian’s decomposition (LADM). Some graphical presentations are given for different fractional orders for various compartments of the model under consideration.
Journal Article
Convergence Analysis of an Iteration Process for a Class of Generalized Nonexpansive Mappings with Application to Fractional Differential Equations
by
Thabet, Sabri T. M.
,
Ahmad, Junaid
,
Ahmad, Fayyaz
in
Banach spaces
,
Convergence
,
Differential equations
2023
We consider the class of generalized α-nonexpansive mappings in a setting of Banach spaces. We prove existence of fixed point and convergence results for these mappings under the K∗-iterative process. The weak convergence is obtained with the help of Opial’s property while strong convergence results are obtained under various assumptions. Finally, we construct two numerical examples and connect our K∗-iterative process with them. An application to solve a fractional differential equation (FDE) is also provided. It has been eventually shown that the K∗- iterative process of this example gives more accurate numerical results corresponding to some other iterative processes of the literature. The main outcome is new and improves some known results of the literature.
Journal Article
Topology degree results on a G-ABC implicit fractional differential equation under three-point boundary conditions
by
Thabet, Sabri T. M.
,
Aghazadeh, Nasser
,
Rezapour, Shahram
in
Algorithms
,
Analysis
,
Banach spaces
2024
This research manuscript aims to study a novel implicit differential equation in the non-singular fractional derivatives sense, namely Atangana-Baleanu-Caputo (
A
B
C
) of arbitrary orders belonging to the interval (2, 3] with respect to another positive and increasing function. The major results of the existence and uniqueness are investigated by utilizing the Banach and topology degree theorems. The stability of the Ulam-Hyers (
U
H
) type is analyzed by employing the topics of nonlinear analysis. Finally, two examples are constructed and enhanced with some special cases as well as illustrative graphics for checking the influence of major outcomes.
Journal Article
Efficient Solution Criteria for a Coupled Fractional Laplacian System on Some Infinite Domains
by
Thabet, Sabri T. M.
,
Adam, Alawia
,
Moumen, Abdelkader
in
Banach spaces
,
Boundary conditions
,
Calculus
2025
This article concerns a novel coupled implicit differential system under φ–Riemann–Liouville (RL) fractional derivatives with p-Laplacian operator and multi-point strip boundary conditions on unbounded domains. An applicable Banach space is introduced to define solutions on unbounded domains [c,∞). The explicit iterative solution’s existence and uniqueness (EaU) are established by employing the Banach fixed point strategy. The different types of Ulam–Hyers–Rassias (UHR) stabilities are investigated. Ultimately, we provide a numerical application of a coupled φ-RL fractional turbulent flow model to illustrate and test the effectiveness of our outcomes.
Journal Article
On new common fixed point theorems via bipolar fuzzy b-metric space with their applications
by
Thabet, Sabri T. M.
,
Mani, Gunaseelan
,
Maheswari, J. Uma
in
Algorithms
,
Analysis
,
Differential equations
2024
This research work is devoted to investigating new common fixed point theorems on bipolar fuzzy
b
-metric space. Our main findings generalize some of the existence outcomes in the literature. Furthermore, we illustrate our findings by providing some applications for fractional differential and integral equations.
Journal Article
Efficient results on fractional Langevin-Sturm-Liouville problem via generalized Caputo-Atangana-Baleanu derivatives
by
Thabet, Sabri T. M.
,
Boutiara, Abdelatif
,
Samei, Mohammad Esmael
in
Algorithms
,
Analysis
,
Banach spaces
2024
In this paper, we investigate the generalized Langevin-Sturm-Liouville differential problems involving Caputo-Atangana-Baleanu fractional derivatives of higher orders with respect to another positive, increasing function denoted by
ρ
. The fixed point theorems in the framework of Kransnoselskii and Banach are utilized to discuss the existence and uniqueness of the results. In addition, the stability criteria of Ulam-Hyers, generalize Ulam-Hyers, Ulam-Hyers-Rassias, and generalize Ulam-Hyers-Rassias are investigated by non-linear analysis besides fractional calculus. Finally, illustrative examples are reinforced by tables and graphics to describe the main achievements.
Journal Article
A higher-order extension of Atangana–Baleanu fractional operators with respect to another function and a Gronwall-type inequality
by
Khan, Aziz
,
Thabet, Sabri T. M
,
Ayari, M. Iadh
in
Boundary value problems
,
Calculus
,
Differential calculus
2023
This paper aims to extend the Caputo–Atangana–Baleanu (ABC) and Riemann–Atangana–Baleanu (ABR) fractional derivatives with respect to another function, from fractional order μ∈(0,1] to an arbitrary order μ∈(n,n+1], n=0,1,2,…. Also, their corresponding Atangana–Baleanu (AB) fractional integral is extended. Additionally, several properties of such definitions are proved. Moreover, the generalization of Gronwall’s inequality in the framework of the AB fractional integral with respect to another function is introduced. Furthermore, Picard’s iterative method is employed to discuss the existence and uniqueness of the solution for a higher-order initial fractional differential equation involving an ABC operator with respect to another function. Finally, examples are given to illustrate the effectiveness of the main findings. The idea of this work may attract many researchers in the future to study some inequalities and fractional differential equations that are related to AB fractional calculus with respect to another function.
Journal Article
Exploring the solutions of Hilfer delayed Duffing problem on the positive real line
by
Thabet, Sabri T. M
,
Kedim, Imed
,
Abdeljawad, Thabet
in
Banach spaces
,
Boundary value problems
,
Fixed points (mathematics)
2024
In this article, we focus on studying the Duffing problem with the time delay of pantograph type via the Hilfer fractional derivatives on the infinite interval (0,∞). An appropriate Banach space supported with the Bielecki norm in the Mittag–Leffler function sense is introduced for new and convenient analysis. The existence and uniqueness (E&U) of the solutions are proved by utilizing the classical fixed point theorems (FPTs). Moreover, the Hyers–Ulam (HU) stability is discussed for our Hilfer fractional Duffing pantograph system (HFDPS). Ultimately, our results are enhanced by providing numerical examples with graphics simulations to check the validity of the main outcomes.
Journal Article
Study of Nonlocal Multiorder Implicit Differential Equation Involving Hilfer Fractional Derivative on Unbounded Domains
2023
This paper aims to study the existence and uniqueness of the solution for nonlocal multiorder implicit differential equation involving Hilfer fractional derivative on unbounded domains a,∞,a≥0, in an applicable Banach space by utilizing the Banach contraction principle. Furthermore, we discuss various types of stability such as Ulam–Hyers–Rassias (UHR), Ulam–Hyers (UH), and semi-Ulam–Hyers–Rassias (sUHR) for nonlocal boundary value problem. Absolutely, our results cover that several outcomes have existed in the literature.
Journal Article