In this paper, we prove the existence of nontrivial homoclinic orbits for a class of Hamiltonian systems with potential changing sign. We use Mountain Pass Lemma.
基金This work is mainly supported by National Natural Science Foundation of China (No.10371007) 15th Scientific Research Foundation of Central University for Nationalities.
文摘In this paper, we prove the existence of nontrivial homoclinic orbits for a class of Hamiltonian systems with potential changing sign. We use Mountain Pass Lemma.
