DEFINING CHAOS IN THE LOGISTIC MAP BY SHARKOVSKII'S THEOREM

被引:1
|
作者
Lee, M. Howard [1 ,2 ]
机构
[1] Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA
[2] Korea Inst Adv Study, Seoul 130012, South Korea
来源
ACTA PHYSICA POLONICA B | 2013年 / 44卷 / 05期
关键词
D O I
10.5506/APhysPolB.44.925
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The fixed points of 3-cycle in the logistic map are obtained by solving a sextic polynomial analytically. Therewith, the domain of chaos is established by Sharkovskii's theorem. A fix-point spectrum is then constructed in the chaotic domain. By Sharkovskii's theorem, a chaotic trajectory is shown to be a superposition of all finite cycles, termed an aleph cycle. An aleph cycle means chaos and it defines chaos in the logistic map in an absolute sense. In particular, a trajectory which is ergodic is aleph-cyclic, hence it is also chaotic.
引用
收藏
页码:925 / 935
页数:11
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