Muñoz Masqué, JaimePozo Coronado, Luis Miguel2023-06-202023-06-2020050034-487710.1016/S0034-4877(05)80039-4https://hdl.handle.net/20.500.14352/50240The global inverse problem of the calculus of variations for the particular case of first-order quasi-linear PDEs is solved. Some examples in the field theory are discussed.engGlobal characterization of variational first-order quasi-linear equations.journal articlehttp://dx.doi.org/10.1016/S0034-4877(05)80039-4/science/article/pii/S0034487705800394http://dx.doi.org/10.1016/S0034-4877(05)80039-4restricted access512.7517.98Affine LagrangianEuler-Lagrange equationsFirst-order quasi-linear equationsJet bundlesPoincar6-Cartan form bundlesPoincar6-Cartan form.Geometria algebraicaAnálisis funcional y teoría de operadores1201.01 Geometría Algebraica