论文标题

厚厚的双曲线排斥不变的Cantor套件和野生吸引子

Thick hyperbolic repelling invariant Cantor set and wild attractor

论文作者

Ding, Yiming, Xiao, Jianrong

论文摘要

Let $D$ be the set of $β\in (1, 2]$ such that $f_β$ is a symmetric tent map with finite critical orbit. For $β\in D$, by operating Denjoy like surgery on $f_β$, we constructed a $C^1$ unimodal map $\tilde{g}_β$ admitting a thick hyperbolic repelling invariant Cantor set which contains a wild Cantor通过有效估计临界点的预估计以及插入的间隔的规定长度,可以确保吸引人的平滑度{G}_β$ $ c^{1+α} $ map的cantor集的lebesgue度量等于零。

Let $D$ be the set of $β\in (1, 2]$ such that $f_β$ is a symmetric tent map with finite critical orbit. For $β\in D$, by operating Denjoy like surgery on $f_β$, we constructed a $C^1$ unimodal map $\tilde{g}_β$ admitting a thick hyperbolic repelling invariant Cantor set which contains a wild Cantor attractor. The smoothness of $\tilde{g}_β$ is ensured by the effective estimation of the preimages of the critical point as well as the prescribed lengths of the inserted intervals. Furthermore, $D$ is dense in $(1, 2]$, and $\tilde{g}_β$ can not be $C^{1+α}$ because the hyperbolic repelling invariant Cantor set of $C^{1+α}$ map has Lebesgue measure equal to zero.

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