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Homoclinic orbits at infinity for second-order Hamiltonian systems with fixed energy

open access: yesElectronic Journal of Differential Equations, 2015
We obtain the existence of homoclinic orbits at infinity for a class of second-order Hamiltonian systems with fixed energy. We use the limit for a sequence of approximate solutions which are obtained by variational methods.
Dong-Lun Wu, Shiqing Zhang
doaj  

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