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Asymptotic Expansions for the Distribution of the Maximum of Gaussian Random Fields

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Abstract

Some asymptotic results are proved for the distribution of the maximum of a centered Gaussian random field with unit variance on a compact subset S of ℝN. They are obtained by a Rice method and the evaluation of some moments of the number of local maxima of the Gaussian field above an high level inside S and on the border ∂ S. Depending on the geometry of the border we give up to N+1 terms of the expansion sometimes with exponentially small remainder. Application to waves maximum is shown.

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AZAÏS, JM., Delmas, C. Asymptotic Expansions for the Distribution of the Maximum of Gaussian Random Fields. Extremes 5, 181–212 (2002). https://doi.org/10.1023/A:1022123321967

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