A short proof of ergodicity of Babillot-Ledrappier measures

A short proof of ergodicity of Babillot-Ledrappier measures
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Babillot-Ledrappier 测度遍历性的简短证明

DOI:
10.1090/s0002-9939-01-06181-0
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发表时间:
2001
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通讯作者:
Rita Solomyak
Rita Solomyak
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文献类型:
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作者:
Rita Solomyak

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。设M是紧致流形,(Cid:30)t是M上的传递同调满Anosov(Cid:13)。设f M是M的Zd-覆盖,f(Cid:30)t是(Cid:30)t到f M的提升.Bbillot和Ledrappier在f M上证明了一族关于f(Cid:30)t的强稳定叶状不变的遍历的测度.我们给出了遍历的一个新的简短证明。
. Let M be a compact manifold, and let (cid:30) t be a transitive homologically full Anosov (cid:13)ow on M . Let f M be a Z d -cover for M , and let f (cid:30) t be the lift of (cid:30) t to f M . Babillot and Ledrappier exhibited a family of measures on f M , which are invariant and ergodic with respect to the strong stable foliation of f (cid:30) t . We provide a new short proof of ergodicity.