The subleading order of two dimensional cover times

The subleading order of two dimensional cover times
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二维覆盖时间的次领先顺序

DOI:
10.1007/s00440-015-0689-6
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发表时间:
2014
影响因子:
2
通讯作者:
N. Kistler
N. Kistler
中科院分区:
数学1区
文献类型:
--
作者:
David Belius;N. Kistler

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布朗运动对二维环面的 $$\varepsilon $$ε 覆盖时间是该过程从任意点进入距离 $$\varepsilon >0$$ε>0 所需的时间。它在小 $$\varepsilon $$ε 政权中的主导顺序已由 Dembo 等人建立。 (安·马斯 160:433–464,2004 年)。在这项工作中,确定了二阶校正。该方法依赖于二阶矩方法的多尺度细化,并借鉴了分支布朗运动极值研究的思想。
The $$\varepsilon $$ε-cover time of the two dimensional torus by Brownian motion is the time it takes for the process to come within distance $$\varepsilon >0$$ε>0 from any point. Its leading order in the small $$\varepsilon $$ε-regime has been established by Dembo et al. (Ann Math 160:433–464, 2004). In this work, the second order correction is identified. The approach relies on a multi-scale refinement of the second moment method, and draws on ideas from the study of the extremes of branching Brownian motion.
DOI: 10.1007/s00440-012-0464-x
发表时间: 2011-03
影响因子: 2
作者:
L. Arguin;Anton Bovier;N. Kistler
通讯作者: L. Arguin;Anton Bovier;N. Kistler