Period Function for a Class of Hamiltonian Systems
Period Function for a Class of Hamiltonian Systems
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DOI:
10.1006/jdeq.2000.3912
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发表时间:
2000-11
影响因子:
2.4
通讯作者:
A. Cima;A. Gasull;F. Mañosas
中科院分区:
文献类型:
--
作者:
A. Cima;A. Gasull;F. Mañosas
Abstract This paper studies the period function of the class of Hamiltonian systems x =− H y , y = H x where H ( x , y ) has the special form H ( x , y )= F ( x )+ G ( y ) and the origin is a non-degenerate center. More concretely, if T ( h ) denotes the period of the periodic orbit contained in H ( x , y )= h we solve the inverse problem of characterizing all systems with a given function T ( h ). We also characterize the limiting behaviour of T at infinity when the origin is a global center and apply this result to prove, among other results, that there are no nonlinear polynomial isochronous centers in this family.