The commutativity principle and lagrangian symmetries
classification
✦ hep-th
keywords
lagrangiancommutativitysymmetriesapplicablecasescompleteconsiderationsdifferentiation
read the original abstract
Using the commutativity of a general variation with the time differentiation we discuss both global and local (gauge) symmetries of a lagrangian from a unified point of view. The Noether considerations are thereby applicable for both cases. A complete equivalence between the hamiltonian and lagrangian formulations is established.
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