Fei, Guihua2020-02-212020-02-212001-11-19Fei, G. (2001). Nontrivial periodic solutions of asymptotically linear Hamiltonian systems. <i>Electronic Journal of Differential Equations, 2001</i>(69), pp. 1-17.1072-6691https://hdl.handle.net/10877/9330We study the existence of periodic solutions for some asymptotically linear Hamiltonian systems. By using the Saddle Point Theorem and Conley index theory, we obtain new results under asymptotically linear conditions.Text17 pages1 file (.pdf)enAttribution 4.0 InternationalPeriodic solutionHamiltonian systemsConley indexGalerkin approximationArticle