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arXiv 1105.5598math.DS
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Schwarzian导数与多项式迭代

The Schwarzian derivative and polynomial iteration

Hexi Ye

摘要:

本文考虑复多项式$f$的Schwarz导数$S_f$及其迭代。我们证明了序列$S_{f^n}/d^{2n}$收敛到$-2(\partial G_f)^2$,其中$G_f$是$f$的逃逸率函数.作为二次微分,Schwarzian导数$S_{f^n}$确定平面上的共形度量。我们研究了这些度量空间的极限。

英文摘要:

We consider the Schwarzian derivative $S_f$ of a complex polynomial $f$ and its iterates. We show that the sequence $S_{f^n}/d^{2n}$ converges to $-2(\partial G_f)^2$, for $G_f$ the escape-rate function of $f$. As a quadratic differential, the Schwarzian derivative $S_{f^n}$ determines a conformal metric on the plane. We study the ultralimit of these metric spaces.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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