On a Order Reduction Theorem in the Lagrangian Formalism
Abstract
Description
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.
9 pages, LATEX, no figures; appear in Il Nuovo Cimento B
9 pages, LATEX, no figures; appear in Il Nuovo Cimento B