On a Order Reduction Theorem in the Lagrangian Formalism
classification
✦ hep-th
keywords
lagrangianformalismtheoremconditionsequationsfirst-orderfollowimportant
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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.
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