Published February 28, 2015
| Version v1
Journal article
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Point Symmetries of Lagrangians
- 1. Instituto Politecnico Nacional (IPN), Mexico DF
- 2. ESFM-IPN, Mexico DF
- 3. UAM-A, Mexico DF
Description
We give an elementary exposition of a method to obtain the infinitesimal point symmetries of Lagrangians. Besides, we exhibit the Lanczos approach to Noether’s theorem to construct the first integral associated with each symmetry.
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