Results 11 to 20 of about 2,623 (193)

Some k-fractional extension of Grüss-type inequalities via generalized Hilfer–Katugampola derivative

open access: yesAdvances in Difference Equations, 2021
In this paper, we prove several inequalities of the Grüss type involving generalized k-fractional Hilfer–Katugampola derivative. In 1935, Grüss demonstrated a fascinating integral inequality, which gives approximation for the product of two functions ...
Samaira Naz   +2 more
doaj   +3 more sources

Fractional Gradient Methods via ψ-Hilfer Derivative

open access: yesFractal and Fractional, 2023
Motivated by the increase in practical applications of fractional calculus, we study the classical gradient method under the perspective of the ψ-Hilfer derivative.
Nelson Vieira   +2 more
doaj   +4 more sources

On Hilbert-Pachpatte type inequalities within ψ-Hilfer fractional generalized derivatives

open access: yesAIMS Mathematics, 2023
In this manuscript, we discussed various new Hilbert-Pachpatte type inequalities implying the left sided $ \psi $-Hilfer fractional derivatives with the general kernel.
Yasemin Başcı, Dumitru Baleanu
doaj   +2 more sources

Lyapunov-type inequalities for sequential fractional boundary value problems using Hilfer’s fractional derivative [PDF]

open access: yesJournal of Inequalities and Applications, 2019
This paper is devoted to studying the Lyapunov-type inequality for sequential Hilfer fractional boundary value problems. We first provide some properties of Hilfer fractional derivative, and then establish Lyapunov-type inequalities for a sequential ...
Wei Zhang, Wenbin Liu
doaj   +2 more sources

Anomalous Relaxation in Dielectrics with Hilfer Fractional Derivative [PDF]

open access: yesJournal of Applied Nonlinear Dynamics, 2021
Summary: We introduce a new relaxation function depending on an arbitrary parameter as a solution of a kinetic equation in the same way as the relaxation function introduced empirically by Debye, Cole-Cole, Davidson-Cole and Havriliak-Negami regarding, anomalous relaxation in dielectrics, which are recovered as particular cases.
Gómez Plata, A. R.   +2 more
openaire   +2 more sources

Reachability of fractional dynamical systems using ψ-Hilfer pseudo-fractional derivative [PDF]

open access: yesJournal of Mathematical Physics, 2021
In this paper, we investigate the reachability of linear and non-linear systems in the sense of the ψ-Hilfer pseudo-fractional derivative in g-calculus by means of the Mittag–Leffler functions (one and two parameters). In this sense, two numerical examples are discussed in order to elucidate the investigated results.
J. Vanterler da C. Sousa   +3 more
openaire   +2 more sources

$q$-ANALOGUE OF HILFER-KATUGAMPOLA FRACTIONAL DERIVATIVES AND APPLICATIONS

open access: yesSouth East Asian Journal of Mathematics and Mathematical Sciences, 2023
Anovel qp-variant of the q−Mittag-Leffler functionandaquantum analoguepDα,β a±,qoftheHilfer-Katugampolafractionalderivativearedefined.Then, generalizationsoftheq−Taylor’sformulaandtheq−differentialtransformandits inverseareobtainedusingtheoperator pDα,β a±,q. Additionally, afewpropertiesof thenewlydefinedq-differential transformareestablished. Finally,
Mallah, Ishfaq Ahmad   +2 more
openaire   +2 more sources

On a Differential Equation Involving Hilfer‐Hadamard Fractional Derivative [PDF]

open access: yesAbstract and Applied Analysis, 2012
This paper studies a fractional differential inequality involving a new fractional derivative (Hilfer‐Hadamard type) with a polynomial source term. We obtain an exponent for which there does not exist any global solution for the problem. We also provide an example to show the existence of solutions in a wider space for some exponents.
Qassim, M. D.   +2 more
openaire   +4 more sources

A Survey on Recent Results on Lyapunov-Type Inequalities for Fractional Differential Equations

open access: yesFractal and Fractional, 2022
This survey paper is concerned with some of the most recent results on Lyapunov-type inequalities for fractional boundary value problems involving a variety of fractional derivative operators and boundary conditions.
Sotiris K. Ntouyas   +2 more
doaj   +1 more source

Space-time fractional reaction-diffusion equations associated with a generalized Riemann-Liouville fractional derivative [PDF]

open access: yes, 2014
This paper deals with the investigation of the computational solutions of an unified fractional reaction-diffusion equation, which is obtained from the standard diffusion equation by replacing the time derivative of first order by the generalized Riemann-
Haubold, H. J.   +2 more
core   +3 more sources

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