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arXiv 1503.04319math.DS
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双曲斜积的不变测度的分解

Disintegration of Invariant Measures for Hyperbolic Skew Products

Oliver Butterley, Ian Melbourne

摘要:

我们研究了双曲斜积和SRB测度分解为局部稳定流形上的测度。这样的分解给出了一种方法,用于从斜积上的可观测$v$传递到沿稳定流形展开的系统上的可观测$\bar v$。在系统的温和的假设下,我们证明了分解保持$v$的光滑性,首先在$v$是Hölder的情况下,其次在$v$是$\mathcal{C}^{1}$的情况下。

英文摘要:

We study hyperbolic skew products and the disintegration of the SRB measure into measures supported on local stable manifolds. Such a disintegration gives a method for passing from an observable $v$ on the skew product to an observable $\bar v$ on the system quotiented along stable manifolds. Under mild assumptions on the system we prove that the disintegration preserves the smoothness of $v$, firstly in the case where $v$ is Hölder and secondly in the case where $v$ is $\mathcal{C}^{1}$.

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