On classification of resonance-free Anosov Zk actions

On classification of resonance-free Anosov Zk actions
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无共振 Anosov Zk 作用的分类

DOI:
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发表时间:
2006
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影响因子:
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通讯作者:
V. Sadovskaya
V. Sadovskaya
中科院分区:
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文献类型:
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作者:
B. Kalinin;V. Sadovskaya

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我们考虑Z^k,k ∈ 2的作用,通过Anosov同构,这是一致拟共形的每一个粗李雅普诺夫分布。这些行动推广了Cartan行动,粗李雅普诺夫分布是一维的。我们表明,在一定的非共振假设的李雅普诺夫指数,这样的行动的有限覆盖光滑共轭的行动由toral自同构。
We consider actions of Z^k, k ge 2, by Anosov diffeomorphisms which are uniformly quasiconformal on each coarse Lyapunov distribution. These actions generalize Cartan actions for which coarse Lyapunov distributions are one-dimensional. We show that, under certain non-resonance assumptions on the Lyapunov exponents, a finite cover of such an action is smoothly conjugate to an action by toral automorphisms.