Journal
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B
Volume 19, Issue 8, Pages 2367-2381Publisher
AMER INST MATHEMATICAL SCIENCES
DOI: 10.3934/dcdsb.2014.19.2367
Keywords
Calculus of variations; fractional calculus; Caputo fractional derivative; Euler-Lagrange equation; Noether-type theorem
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Funding
- Portuguese funds through the CIDMA - Center for Research and Development in Mathematics and Applications
- Portuguese Foundation for Science and Technology (FCT-Fundacao para a Ciencia e a Tecnologia) [PEst-OE/MAT/UI4106/2014]
- Bialystok University of Technology [S/WI/02/2011]
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The aim of this paper is to bring together two approaches to non-conservative systems - the generalized variational principle of Herglotz and the fractional calculus of variations. Namely, we consider functionals whose extrema are sought, by differential equations that involve Caputo fractional derivatives. The Euler-Lagrange equations are obtained for the fractional variational problems of Herglotz-type and the transversality conditions are derived. The fractional Noether-type theorem for conservative and non-conservative physical systems is proved.
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