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arXiv math/0402014math.CV
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复双圆盘动力学

Dynamics in the complex bidisc

Chiara Frosini

摘要:

设Delta^{n}是C^{n}中的单位多圆盘,f是Delta^{n}的全纯自映射.当n=1时,由Schwarz引理可知,f在单位圆内至多有一个不动点。如果不存在这样的点,那么f有一个唯一的边界点,称之为x,使得中心为x且半径R>0的每一个单圈E(x,R)都被f送入自身。这个边界点称为“f的Wolff点”。本文给出了定义在C^{n}的有界域上的全纯映射的Wolff点的定义。特别是我们的沃尔夫点,W(f),一个全纯自映射f的双圆盘的性质的组件的映射f本身的一组特征。

英文摘要:

Let Delta^{n} be the unit polydisc in C^{n} and let f be a holomorphic self map of Delta^{n}. When n=1, it is well known, by Schwarz's lemma, that f has at most one fixed point in the unit disc. If no such point exists then f has a unique boundary point, call it x, such that every horocycle E(x,R) of center x and radius R>0 is sent into itself by f. This boundary point is called the "Wolff point of f". In this paper we propose a definition of Wolff points for holomorphic maps defined on a bounded domain of C^{n}. In particular we characterize the set of Wolff points, W(f), of a holomorphic self-map f of the bidisc in terms of the properties of the components of the map f itself.

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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