%0 Generic %A Wu Dong-Lun %C Szeged %D 2023 %F acta:82281 %K Hamilton rendszer %N 31 %T Homoclinic solutions for a class of asymptotically autonomous Hamiltonian systems with indefinite sign nonlinearities %U http://acta.bibl.u-szeged.hu/82281/ %X In this paper, we obtain the multiplicity of homoclinic solutions for a class of asymptotically autonomous Hamiltonian systems with indefinite sign potentials. The concentration-compactness principle is applied to show the compactness. As a byproduct, we obtain the uniqueness of the positive ground state solution for a class of autonomous Hamiltonian systems and the best constant for Sobolev inequality which are of independent interests. %Z Bibliogr.: p. 23-27. ; összefoglalás angol nyelven