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A classical variational principle for periodic Hamiltonian trajectories
1979
Proceedings of the American Mathematical Society
Preserved Fulltext
Using only classical theorems of the calculus of variations, the existence of periodic solutions to Hamilton's equations on a given convex energy surface is proved.
doi:10.1090/s0002-9939-1979-0534415-7
fatcat:juhnlszq6vdj3mj6t5cvzi4t2q