The maximum of log-correlated Gaussian fields in random environment
COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS(2024)
Abstract
We study the distribution of the maximum of a large class of Gaussian fields indexed by a box VN subset of Zd$V_N\subset \mathbb {Z}<^>d$ and possessing logarithmic correlations up to local defects that are sufficiently rare. Under appropriate assumptions that generalize those in Ding et al., we show that asymptotically, the centered maximum of the field has a randomly-shifted Gumbel distribution. We prove that the two dimensional Gaussian free field on a super-critical bond percolation cluster with p close enough to 1, as well as the Gaussian free field in i.i.d. bounded conductances, fall under the assumptions of our general theorem.
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Key words
gaussian fields,random environment
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