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arXiv 1502.00941math-phmath.MPmath.PR
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布朗定向渗流中的两时间分布

Two time distribution in Brownian directed percolation

Kurt Johansson

摘要:

在零温布朗半离散有向聚合物中,我们研究了两个末次通过时间在类时方向上的联合分布。这是当我们有缓慢的去相关现象时的情况。我们计算的限制联合分布函数的比例限制。这个极限分布由行列式的展开给出,而不是Fredholm展开。Dotsenko在一个相关模型中非严格地推导出了一个看起来有点类似的公式。

英文摘要:

In the zero temperature Brownian semi-discrete directed polymer we study the joint distribution of two last-passage times at positions ordered in the time-like direction. This is the situation when we have the slow de-correlation phenomenon. We compute the limiting joint distribution function in a scaling limit. This limiting distribution is given by an expansion in determinants which is not a Fredholm expansion. A somewhat similar looking formula was derived non-rigorously in a related model by Dotsenko.

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