论文标题

含有“ y”的准自用相似的分形大于一个尺寸

Quasi-self-similar fractals containing "Y" have dimension larger than one

论文作者

Park, Insung, Wu, Angela

论文摘要

假设$ x $是一个紧凑的连接度量空间,$ f:x \ to x $是Haïssinsky-Pilgrim的意义上的度量粗糙的相结合图。我们表明,如果$ x $包含字母“ y”的同构副本,那么$ x $的hausdorff尺寸大于一个。作为一个应用程序,我们表明,对于半Hyperbolic有理地图$ f $ f $它的Julia Set $ \ Mathcal {J} _f $是准对称的,等于具有Hausdorff Dimension 1的空间,并且仅当$ \ Mathcal {j} {j} _f $是同源的,而不是$ \ nathcal {j} _f $是同源的。

Suppose $X$ is a compact connected metric space and $f: X \to X$ is a metric coarse expanding conformal map in the sense of Haïssinsky-Pilgrim. We show that if $X$ contains a homeomorphic copy of the letter "Y", then the Hausdorff dimension of $X$ is greater than one. As an application, we show that for a semi-hyperbolic rational map $f$ its Julia set $\mathcal{J}_f$ is quasi-symmetric equivalent to a space having Hausdorff dimension 1 if and only if $\mathcal{J}_f$ is homeomorphic to a circle or a closed interval.

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