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arXiv 2009.00601math.PRmath-phmath.MP
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由随机交错断开的点的过量偏差

Excess deviations for points disconnected by random interlacements

Alain-Sol Sznitman

摘要:

我们考虑随机交错上的$ \mathbb{Z}^d$,$d \ge 3$,当他们的空集是在一个强并行的制度。给定一个以原点为中心的大盒子,我们建立了一个渐近上界的概率的指数衰减率,该盒子包含一个多余的分数$ν$的点,从一个同心框的边界随机交错断开。作为一个应用程序,我们表明,当$ν$是不是太大,这个渐近上界匹配的渐近下界在作者以前的工作中得出的,和指数衰减率是由一定的变分问题在连续,其中涉及的随机交错的空集的渗流函数。

英文摘要:

We consider random interlacements on $ \mathbb{Z}^d$, $d \ge 3$, when their vacant set is in a strongly percolative regime. Given a large box centered at the origin, we establish an asymptotic upper bound on the exponential rate of decay of the probability that the box contains an excessive fraction $ν$ of points that are disconnected by random interlacements from the boundary of a concentric box of double size. As an application we show that when $ν$ is not too large, this asymptotic upper bound matches the asymptotic lower bound derived in a previous work of the author, and the exponential rate of decay is governed by a certain variational problem in the continuum which involves the percolation function of the vacant set of random interlacements.

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