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One dimensional lattice random walks with absorption at a point/on a half line

机译:一维晶格随机在点/半线上吸收

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摘要

This paper concerns a random walk that moves on the integer lattice and has zero mean and a finite variance. We obtain first an asymptotic estimate of the transition probability of the walk absorbed at the origin, and then, using the obtained estimate, that of the walk absorbed on a half line. The latter is used to evaluate the space-time distribution for the first entrance of the walk into the half line.
机译:本文涉及在整数晶格上移动并具有零均值和有限方差的随机游动。我们首先获得在原点吸收的步行的过渡概率的渐近估计,然后使用获得的估计,吸收在半线上的步行的过渡概率。后者用于评估步道第一次进入半线的时空分布。

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