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Sur les immersions lagrangiennes dans un fibré cotangent admettant une phase génératrice globale. (On Lagrangian immersions in a cotangent bundle defined by a global phase function). (French) Zbl 0602.58019
From the summary: ”The author shows that the existence of a global phase function defining a given Lagrangian immersion in T*M is a property invariant under Hamiltonian isotopies. This result also holds for phase functions which are quadratic outside a compact set.”
Reviewer: W.M.Oliva

MSC:
 37J99 Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems 57R42 Immersions in differential topology