Elliptic isles in families of area-preserving maps

Elliptic isles in families of area-preserving maps
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区域保护地图系列中的椭圆岛

DOI:
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发表时间:
2008
影响因子:
0.9
通讯作者:
P. Duarte
P. Duarte
中科院分区:
数学2区
文献类型:
--
作者:
P. Duarte

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摘要我们证明了每一个单参数的保面积映射族展开一个同宿切线有一个参数区间序列,接近分歧参数,其中的动力学表现出野生的椭圆岛积累的双曲集。这是一个参数保守的模拟著名定理的纽豪斯丰富的野生双曲集。
Abstract We prove that every one-parameter family of area-preserving maps unfolding a homoclinic tangency has a sequence of parameter intervals, approaching the bifurcation parameter, where the dynamics exhibits wild hyperbolic sets accumulated by elliptic isles. This is a parametric conservative analogue of a famous theorem of Newhouse on the abundance of wild hyperbolic sets.