亚纯函数的慢逃逸点
Slow escaping points of meromorphic functions
摘要：
证明了对任意超越亚纯函数$f$，在$f$朱利亚集存在一个点$z$，使得迭代的$f^n(z)$逃逸，即趋向于$\infty$，任意慢.证明使用新的覆盖结果的解析函数。我们还引入了几个慢逃逸集，在每一个慢逃逸集中，$f^n(z)$以有界的速率趋向于$\infty$，并建立了这些慢逃逸集与$f$的朱利亚集之间的联系.要做到这一点，我们证明了$f$的迭代满足强失真估计在所有类型的逃逸Fatou组件，除了一个，我们称之为一个平面填充游荡域。我们给出的例子来显示如何变化的结构，这些慢逃逸集可以。
英文摘要：
We show that for any transcendental meromorphic function $f$ there is a point $z$ in the Julia set of $f$ such that the iterates $f^n(z)$ escape, that is, tend to $\infty$, arbitrarily slowly. The proof uses new covering results for analytic functions. We also introduce several slow escaping sets, in each of which $f^n(z)$ tends to $\infty$ at a bounded rate, and establish the connections between these sets and the Julia set of $f$. To do this, we show that the iterates of $f$ satisfy a strong distortion estimate in all types of escaping Fatou components except one, which we call a plane-filling wandering domain. We give examples to show how varied the structures of these slow escaping sets can be.
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