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Noether’s-type theorems on time scales

Abstract : We prove a time scales version of the Noether's theorem relating group of symmetries and conservation laws in the framework of the shifted and nonshifted ∆ calculus of variations. Our result extends the continuous version of the Noether's theorem as well as the discrete one and corrects a previous statement of Bartosiewicz and Torres in [3]. This result implies also that the second Euler-Lagrange equation on time scales as derived by Bartosiewicz, Martins and Torres is false. Using the Caputo duality principle, we provide the corresponding Noether's theorem on time scales in the framework of the shifted and nonshifted ∇ calculus of variations. All our results are illustrated with numerous examples supported by numerical simulations.
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Contributor : Jacky Cresson Connect in order to contact the contributor
Submitted on : Monday, November 25, 2019 - 10:12:20 PM
Last modification on : Wednesday, March 23, 2022 - 3:50:09 PM
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Baptiste Anerot, Jacky Cresson, Khaled Hariz Belgacem, Frédéric Pierret. Noether’s-type theorems on time scales. Journal of Mathematical Physics, American Institute of Physics (AIP), 2020, 61 (11), pp.113502. ⟨10.1063/1.5140201⟩. ⟨hal-02379882⟩



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