摘要We prove the existence of an arbitrarily large number of periodic solutions of pendulum equation with small damping.We prove the existence of an arbitrarily large number of periodic solutions of pendulum equation with small damping.
2Yi-fa Tang(LSEC,ICMSEC,Academy of Mathematics and System Sciences, Chinese Academy of Sciences,Beijing 100080, China).SYMPLECTIC COMPUTATION OF HAMILTONIAN SYSTEMS (I)[J].Journal of Computational Mathematics,2002,20(3):267-276. 被引量:1