Periodic Solutions of Pendulum-Like Hamiltonian Systems in the Plane

被引:0
作者
Fonda, Alessandro [1 ]
Toader, Rodica [2 ]
机构
[1] Univ Trieste, I-34127 Trieste, Italy
[2] Univ Udine, I-33100 Udine, Italy
关键词
Pendulum equation; Poincare-Birkhoff theorem; nonlinear dynamics; STRONGLY INDEFINITE FUNCTIONALS; POINCARE-BIRKHOFF THEOREM; BOUNDARY-VALUE-PROBLEMS; FIXED-POINT THEOREM; EQUATIONS; INVARIANT; TORI;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
By the use of a generalized version of the Poincare-Birkhoff fixed point theorem, we prove the existence of at least two periodic solutions for a class of Hamiltonian systems in the plane, having in mind the forced pendulum equation as a particular case. Our approach is closely related to the one used by Franks in [15], but the proof remains at a more elementary level.
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页码:395 / 408
页数:14
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