Simao P. S. Santos, Natalia Martins, Delfim F. M. Torres
Published 2015-01-20Version 1
We extend the DuBois-Reymond necessary optimality condition and Noether's first theorem to variational problems of Herglotz type with time delay. Our results provide, as corollaries, the DuBois-Reymond necessary optimality condition and the first Noether theorem for variational problems with time delay recently proved in [Numer. Algebra Control Optim. 2 (2012), no. 3, 619-630]. Our main result is also a generalization of the first Noether-type theorem for the generalized variational principle of Herglotz proved in [Topol. Methods Nonlinear Anal. 20 (2002), no. 2, 261-273].
Comments: This is a preprint of a paper whose final and definite form will be published in the journal Discrete and Continuous Dynamical Systems. Series A, ISSN 1078-0947 (Print), ISSN 1553-5231 (Online). Submitted 01/May/2014; revised 14/Oct/2014; accepted for publication 20/Jan/2015
Noether's theorem for higher-order variational problems of Herglotz type
Noether currents for higher-order variational problems of Herglotz type with time delay
Noether's Theorem for Nonsmooth Extremals of Variational Problems with Time Delay
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