Профили пользователей по запросу "Gastão S. F. Frederico"
Gastao FredericoUniversity of Ceara Подтвержден адрес электронной почты в домене ua.pt Цитируется: 1786 |
A formulation of Noether's theorem for fractional problems of the calculus of variations
GSF Frederico, DFM Torres - Journal of Mathematical Analysis and …, 2007 - Elsevier
Fractional (or non-integer) differentiation is an important concept both from theoretical and
applicational points of view. The study of problems of the calculus of variations with fractional …
applicational points of view. The study of problems of the calculus of variations with fractional …
Complete infinitesimal prolongation of the Riemann–Liouville and Caputo derivatives
This paper presents the infinitesimal prolongation to Riemann–Liouville and Caputo fractional
derivatives without the restrictive lower limit fixed in the integrals, when applicated to the …
derivatives without the restrictive lower limit fixed in the integrals, when applicated to the …
Fractional conservation laws in optimal control theory
GSF Frederico, DFM Torres - Nonlinear Dynamics, 2008 - Springer
Using the recent formulation of Noether’s theorem for the problems of the calculus of variations
with fractional derivatives, the Lagrange multiplier technique, and the fractional Euler–…
with fractional derivatives, the Lagrange multiplier technique, and the fractional Euler–…
Fractional Noether's theorem in the Riesz–Caputo sense
GSF Frederico, DFM Torres - Applied Mathematics and Computation, 2010 - Elsevier
We prove a Noether's theorem for fractional variational problems with Riesz–Caputo
derivatives. Both Lagrangian and Hamiltonian formulations are obtained. Illustrative …
derivatives. Both Lagrangian and Hamiltonian formulations are obtained. Illustrative …
Fractional optimal control in the sense of Caputo and the fractional Noether's theorem
GSF Frederico, DFM Torres - arXiv preprint arXiv:0712.1844, 2007 - arxiv.org
The study of fractional variational problems with derivatives in the sense of Caputo is a
recent subject, the main results being Agrawal's necessary optimality conditions of Euler-…
recent subject, the main results being Agrawal's necessary optimality conditions of Euler-…
-Hilfer pseudo-fractional operator: new results about fractional calculus
JVC Sousa, GSF Frederico, EC de Oliveira - Computational and Applied …, 2020 - Springer
In this paper, we introduce the $$\psi $$ ψ -Hilfer pseudo-fractional operator, motivated by
the $$\psi $$ ψ -Hilfer fractional derivative and the theory of pseudo-analysis. We investigate …
the $$\psi $$ ψ -Hilfer fractional derivative and the theory of pseudo-analysis. We investigate …
An action principle for action-dependent Lagrangians: Toward an action principle to non-conservative systems
…, J Paiva, JTS Amaral, GSF Frederico - Journal of Mathematical …, 2018 - pubs.aip.org
In this work, we propose an action principle for action-dependent Lagrangian functions by
generalizing the Herglotz variational problem to the case with several independent variables. …
generalizing the Herglotz variational problem to the case with several independent variables. …
Fractional Noether's theorem with classical and Caputo derivatives: constants of motion for non-conservative systems
GSF Frederico, MJ Lazo - Nonlinear Dynamics, 2016 - Springer
Since the seminal work of Emmy Noether, it is well know that all conservations laws in
physics, eg, conservation of energy or conservation of momentum, are directly related to the …
physics, eg, conservation of energy or conservation of momentum, are directly related to the …
Reachability of fractional dynamical systems using ψ-Hilfer pseudo-fractional derivative
…, M Vellappandi, V Govindaraj, GSF Frederico - Journal of …, 2021 - pubs.aip.org
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 …
the ψ-Hilfer pseudo-fractional derivative in g-calculus by means of the Mittag–Leffler …
Action principle for action-dependent Lagrangians toward nonconservative gravity: Accelerating universe without dark energy
MJ Lazo, J Paiva, JTS Amaral, GSF Frederico - Physical Review D, 2017 - APS
In the present work, we propose an action principle for action-dependent Lagrangians by
generalizing the Herglotz variational problem for several independent variables. This action …
generalizing the Herglotz variational problem for several independent variables. This action …