Exponential decay in the mapping class group

Exponential decay in the mapping class group
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映射类组中的指数衰减

DOI:
10.1112/jlms/jds011
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发表时间:
2011
期刊:
Journal of the London Mathematical Society
影响因子:
--
通讯作者:
Joseph Maher
Joseph Maher
中科院分区:
--
文献类型:
--
作者:
Joseph Maher

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我们证明了在映射类群的非初等子群上的有限支持随机行走产生非伪Anosov元素的概率随着随机行走的长度呈指数衰减。更一般地说,我们证明了如果R是映射类群元素的集合,它们在复曲线上的平移长度有上界,那么随机游走在R中的概率随着随机游走的长度呈指数衰减。
We show that the probability that a non‐pseudo‐Anosov element arises from a finitely supported random walk on a non‐elementary subgroup of the mapping class group decays exponentially in the length of the random walk. More generally, we show that if R is a set of mapping class group elements with an upper bound on their translation lengths on the complex of curves, then the probability that a random walk lies in R decays exponentially in the length of the random walk.
DOI: --
发表时间: 1997
期刊:
影响因子: --
作者:
斎藤秀司
通讯作者: 斎藤秀司