Results 41 to 50 of about 21,294 (235)

On Conformable, Riemann-Liouville, and Caputo fractional derivatives

open access: yesBulletin of Applied Mathematics and Mathematics Education, 2022
This article compares conformable fractional Derivative with Riemann-Liouville and Caputo fractional derivative by comparing solutions to fractional ordinary differential equations involving the three fractional derivatives via the numerical simulations of the solutions.
Bambang Hendriya Guswanto   +2 more
openaire   +1 more source

A new Riemann–Liouville type fractional derivative operator and its application in generating functions

open access: yesAdvances in Difference Equations, 2018
Here, the concept of a new and interesting Riemann–Liouville type fractional derivative operator is exploited. Treatment of a fractional derivative operator has been made associated with the extended Appell hypergeometric functions of two variables and ...
M. Shadab   +2 more
doaj   +1 more source

Nabla Fractional Derivative and Fractional Integral on Time Scales

open access: yesAxioms, 2021
In this paper, we introduce the nabla fractional derivative and fractional integral on time scales in the Riemann–Liouville sense. We also introduce the nabla fractional derivative in Grünwald–Letnikov sense.
Bikash Gogoi   +4 more
doaj   +1 more source

A Survey on Semilinear Differential Equations and Inclusions Involving Riemann-Liouville Fractional Derivative

open access: yes, 2009
We establish sufficient conditions for the existence of mild solutions for some densely defined semilinear functional differential equations and inclusions involving the Riemann-Liouville fractional derivative.
R. Agarwal, M. Belmekki, M. Benchohra
semanticscholar   +1 more source

Integral-Type Fractional Equations with a Proportional Riemann–Liouville Derivative [PDF]

open access: yesJournal of Mathematics, 2021
In this paper, we present the necessary conditions where integral-type fractional equations with a proportional Riemann–Liouville derivative have a unique solution. Also, we give an example to illustrate our work.
openaire   +2 more sources

The unified Riemann-Liouville fractional derivative formulae

open access: yesTamkang Journal of Mathematics, 2005
In this paper, we obtain two unified fractional derivative formulae. The first involves the product of two general class of polynomials and the multivariable $H$-function. The second fractional derivative formula also involves the product of two general class of polynomials and the multivariable $H$-function and has been obtained by the application of ...
Soni, R. C., Singh, Deepika
openaire   +3 more sources

Weyl Quantization of Fractional Derivatives

open access: yes, 2009
The quantum analogs of the derivatives with respect to coordinates q_k and momenta p_k are commutators with operators P_k and $Q_k. We consider quantum analogs of fractional Riemann-Liouville and Liouville derivatives.
Kilbas A. A.   +8 more
core   +1 more source

Generalized Fractional Nonlinear Birth Processes [PDF]

open access: yes, 2015
We consider here generalized fractional versions of the difference-differential equation governing the classical nonlinear birth process. Orsingher and Polito (Bernoulli 16(3):858-881, 2010) defined a fractional birth process by replacing, in its ...
BEGHIN, Luisa   +2 more
core   +1 more source

Fractional variational iteration method via modified Riemann–Liouville derivative

open access: yesJournal of King Saud University - Science, 2011
AbstractThe aim of this paper is to present an efficient and reliable treatment of the variational iteration method (VIM) for partial differential equations with fractional time derivative. The fractional derivative is described in the Jumarie sense. The obtained results are in good agreement with the existing ones in open literature and it is shown ...
Faraz N.   +4 more
openaire   +2 more sources

A note on fractional Sumudu transform [PDF]

open access: yes, 2010
We propose a new definition of a fractional-order Sumudu transform for fractional differentiable functions. In the development of the definition we use fractional analysis based on the modified Riemann-Liouville derivative that we name the fractional ...
Gupta, Vineeta G.   +2 more
core   +2 more sources

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