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arXiv 1210.2157math.DS
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Teichmueller曲线李雅普诺夫指数的无编码简单性准则

A coding-free simplicity criterion for the Lyapunov exponents of Teichmueller curves

Alex Eskin, Carlos Matheus

摘要:

本文证明了H. Furstenberg关于半单李群格的Poisson边界的结果,使得在不使用Teichmueller流编码的情况下,可以在Abel微分的模空间中推导出Teichmueller曲线的Kontsevich-Zorich上循环的Lyapunov谱的简单性.作为一个应用程序,我们显示的简单性的一些李雅普诺夫指数设置(一些)普莱姆Teichmueller曲线属4的编码为基础的方法似乎很难实现,因为这些Teichmueller曲线的Veech组的知识贫乏。最后,我们扩展了本说明中的讨论,以显示简单的李雅普诺夫指数来自(高权重)的变化的霍奇结构相关联的镜像五次卡-丘三倍。

英文摘要:

In this note we show that the results of H. Furstenberg on the Poisson boundary of lattices of semisimple Lie groups allow to deduce simplicity properties of the Lyapunov spectrum of the Kontsevich-Zorich cocycle of Teichmueller curves in moduli spaces of Abelian differentials without the usage of codings of the Teichmueller flow. As an application, we show the simplicity of some Lyapunov exponents in the setting of (some) Prym Teichmueller curves of genus 4 where a coding-based approach seems hard to implement because of the poor knowledge of the Veech group of these Teichmueller curves. Finally, we extend the discussion in this note to show the simplicity of Lyapunov exponents coming from (high weight) variations of Hodge structures associated to mirror quintic Calabi-Yau threefolds.

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