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arXiv 1708.09030math.PR
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高斯随机场极值的一致有效模拟

Uniformly Efficient Simulation for Extremes of Gaussian Random Fields

Xiaoou Li, Gongjun Xu

摘要:

本文考虑一类高斯随机场的稀有事件概率的同时估计问题。传统的稀有事件模拟方法通常是针对特定的稀有事件而定制的,因此会失去对不同感兴趣事件的估计效率,这通常导致在这种同时估计问题中的额外计算成本。为了克服这个问题,我们提出了一个统一的有效估计的一般家庭的Hölder连续高斯随机场。我们建立了所提出的方法的渐近和一致的效率,并进行仿真研究,以说明其有效性。

英文摘要:

This paper considers the problem of simultaneously estimating rare-event probabilities for a class of Gaussian random fields. A conventional rare-event simulation method is usually tailored to a specific rare event and consequently would lose estimation efficiency for different events of interest, which often results in additional computational cost in such simultaneous estimation problem. To overcome this issue, we propose a uniformly efficient estimator for a general family of Hölder continuous Gaussian random fields. We establish the asymptotic and uniform efficiency of the proposed method and also conduct simulation studies to illustrate its effectiveness.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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