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math.OC2019★ 5 cited
Noether-type theorem for fractional variational problems depending on fractional derivatives of functions
M. J. Lazo, G. S. F. Frederico, P. M. Carvalho-Neto
In the present work, by taking advantage of a so-called practical limitation of fractional derivatives, namely, the absence of a simple chain and Leibniz's rules, we proposed a gen…
math.OC2016★ 1 cited
Constants of motion for Isoperimetric Variational Problems with Time Delay
G. S. F. Frederico, M. J. Lazo, M. N. F. Barreto +1
In the present work, we obtain the constants of motion for isoperimetric variational problems with time delay. We consider a constrained optimization problem where the Lagrangian f…