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Global characterization of variational first-order quasi-linear equations. Muñoz Masqué, Jaime Pozo Coronado, Luis Miguel 512.7 517.98 Affine Lagrangian Euler-Lagrange equations First-order quasi-linear equations Jet bundles Poincar6-Cartan form bundles Poincar6-Cartan form. Geometria algebraica Análisis funcional y teoría de operadores 1201.01 Geometría Algebraica The 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. Ministerio de Educaci6n y Ciencia of Spain Depto. de Álgebra, Geometría y Topología Fac. de Ciencias Matemáticas TRUE pub 2023-06-20T09:43:06Z 2023-06-20T09:43:06Z 2005 journal article https://hdl.handle.net/20.500.14352/50240 0034-4877 10.1016/S0034-4877(05)80039-4 eng BFM2002-00141. restricted access application/pdf Elsevier