Results 51 to 60 of about 12,553 (141)

Solutions to Riemann–Liouville fractional integrodifferential equations via fractional resolvents

open access: yesAdvances in Difference Equations, 2019
This paper is concerned with the semilinear fractional integrodifferential system with Riemann–Liouville fractional derivative. Firstly, we introduce the suitable C1−α $C_{1-\alpha }$-solution to Riemann–Liouville fractional integrodifferential equations
Shaochun Ji, Dandan Yang
doaj   +1 more source

A Finite Element Method for the Fractional Sturm-Liouville Problem [PDF]

open access: yes, 2013
In this work, we propose an efficient finite element method for solving fractional Sturm-Liouville problems involving either the Caputo or Riemann-Liouville derivative of order $\alpha\in(1,2)$ on the unit interval $(0,1)$.
Jin, Bangti   +3 more
core  

Numerical Discretization of Riemann–Liouville Fractional Derivatives with Strictly Positive Eigenvalues

open access: yesAppliedMath
This paper investigates a unique and stable numerical approximation of the Riemann–Liouville Fractional Derivative. We utilize diagonal norm finite difference-based time integration methods within the summation-by-parts framework.
Sam Motsoka Rametse   +1 more
doaj   +1 more source

A New Gronwall–Bellman Inequality in Frame of Generalized Proportional Fractional Derivative

open access: yesMathematics, 2019
New versions of a Gronwall−Bellman inequality in the frame of the generalized (Riemann−Liouville and Caputo) proportional fractional derivative are provided.
Jehad Alzabut   +3 more
doaj   +1 more source

Improvement on Conformable Fractional Derivative and Its Applications in Fractional Differential Equations

open access: yesJournal of Function Spaces, 2020
In this paper, we made improvement on the conformable fractional derivative. Compared to the original one, the improved conformable fractional derivative can be a better replacement of the classical Riemann-Liouville and Caputo fractional derivative in ...
Feng Gao, Chunmei Chi
doaj   +1 more source

Hilfer-Prabhakar Derivatives and Some Applications

open access: yes, 2014
We present a generalization of Hilfer derivatives in which Riemann--Liouville integrals are replaced by more general Prabhakar integrals. We analyze and discuss its properties.
Garra, Roberto   +3 more
core   +1 more source

Oscillation of solutions to nonlinear forced fractional differential equations

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we study the oscillation of solutions to a nonlinear forced fractional differential equation. The fractional derivative is defined in the sense of the modified Riemann-Liouville derivative.
Qinghua Feng, Fanwei Meng
doaj  

Fractional-order boundary value problem with Sturm-Liouville boundary conditions

open access: yesElectronic Journal of Differential Equations, 2015
Using the new conformable fractional derivative, which differs from the Riemann-Liouville and Caputo fractional derivatives, we reformulate the second-order conjugate boundary value problem in this new setting.
Douglas R. Anderson, Richard I. Avery
doaj  

Extending the D'Alembert Solution to Space-Time Modified Riemann-Liouville Fractional Wave Equations

open access: yes, 2012
In the realm of complexity, it is argued that adequate modeling of TeV-physics demands an approach based on fractal operators and fractional calculus (FC). Non-local theories and memory effects are connected to complexity and the FC.
-Sheng Duan   +25 more
core   +1 more source

Fractional isoperimetric Noether's theorem in the Riemann-Liouville sense

open access: yes, 2013
We prove Noether-type theorems for fractional isoperimetric variational problems with Riemann-Liouville derivatives. Both Lagrangian and Hamiltonian formulations are obtained. Illustrative examples, in the fractional context of the calculus of variations,
Almeida   +39 more
core   +1 more source

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