English

On a Order Reduction Theorem in the Lagrangian Formalism

High Energy Physics - Theory 2008-11-26 v1

Abstract

We provide a new proof of a important theorem in the Lagrangian formalism about necessary and sufficient conditions for a second-order variational system of equations to follow from a first-order Lagrangian.

Keywords

Cite

@article{arxiv.hep-th/9605076,
  title  = {On a Order Reduction Theorem in the Lagrangian Formalism},
  author = {Dan Radu Grigore},
  journal= {arXiv preprint arXiv:hep-th/9605076},
  year   = {2008}
}

Comments

9 pages, LATEX, no figures; appear in Il Nuovo Cimento B

R2 v1 2026-07-22T15:59:19.966Z