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arXiv 2201.01591math.PRstat.ME
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关于高斯随机场临界点个数的二阶矩的有限性

On the finiteness of the second moment of the number of critical points of Gaussian random fields

Samuel Davenport, Fabian J. E. Telschow

摘要:

我们证明了定义在紧Whitney分层流形上的任意充分正则随机场(例如几乎必然具有$ C^3 $样本路径)的临界点个数的二阶矩是有限的.我们的研究结果没有假设的平稳性-这在传统上是假设在其他工作。在平稳性下,我们证明了我们所施加的条件意味着Estrade 2016的广义Geman条件。

英文摘要:

We prove that the second moment of the number of critical points of any sufficiently regular random field, for example with almost surely $ C^3 $ sample paths, defined over a compact Whitney stratified manifold is finite. Our results hold without the assumption of stationarity - which has traditionally been assumed in other work. Under stationarity we demonstrate that our imposed conditions imply the generalized Geman condition of Estrade 2016.

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