On invariant sets in Lagrangian graphs
classification
🧮 math.DS
keywords
enoughgraphhamiltonianinvariantlagrangiansmoothalwayscase
read the original abstract
In this exposition, we show that a Hamiltonian is always constant on a compact invariant connected subset which lies in a Lagrangian graph provided that the Hamiltonian and the graph are smooth enough. We also provide some counterexamples for the case that the Hamiltonians are not smooth enough.
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