Results 141 to 150 of about 1,661 (192)

Fractional model of COVID-19 applied to Galicia, Spain and Portugal. [PDF]

open access: yesChaos Solitons Fractals, 2021
Ndaïrou F   +4 more
europepmc   +1 more source

Involvement of three successive fractional derivatives in a system of pantograph equations and studying the existence solution and MLU stability

open access: yesDemonstratio Mathematica
Developing a model of fractional differential systems and studying the existence and stability of a solution is considebly one of the most important topics in the field of analysis.
Hammad Hasanen A.   +3 more
doaj   +1 more source

Estimating Drift Parameters in a Sub-Fractional Vasicek-Type Process. [PDF]

open access: yesEntropy (Basel), 2022
Khalaf AD   +4 more
europepmc   +1 more source

Efficient scheme for a category of variable-order optimal control problems based on the sixth-kind Chebyshev polynomials

open access: yesDemonstratio Mathematica
The main goal of the present study is to introduce an operational collocation scheme based on sixth-kind Chebyshev polynomials (SCPs) to solve a category of optimal control problems involving a variable-order dynamical system (VODS). To achieve this goal,
Sadri Khadijeh   +5 more
doaj   +1 more source

Theoretical and numerical analysis of novel COVID-19 via fractional order mathematical model. [PDF]

open access: yesResults Phys, 2021
Ali A   +6 more
europepmc   +1 more source

Solving a system of Caputo-Hadamard fractional differential equations via Perov’s fixed point theorem

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science
In this study, we discuss the existence and the uniqueness of the solution to Caputo-Hadamard Cauchy problems for a system of fractional differential equations, by using Perov’s fixed point theorem.
Nouar Aziza Souad   +2 more
doaj   +1 more source

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