On Brownian motion, simple paths, and loops
On Brownian motion, simple paths, and loops
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关于布朗运动、简单路径和循环
DOI:
10.1007/s00440-017-0817-6
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发表时间:
2018
影响因子:
2
通讯作者:
Daisuke Shiraishi
中科院分区:
文献类型:
--
作者:
Artem Sapozhnikov;Daisuke Shiraishi
We provide a decomposition of the trace of the Brownian motion into a simple path and an independent Brownian soup of loops that intersect the simple path. More precisely, we prove that any subsequential scaling limit of the loop erased random walk is a simple path (a new result in three dimensions), which can be taken as the simple path of the decomposition. In three dimensions, we also prove that the Hausdorff dimension of any such subsequential scaling limit lies in. We conjecture that our decomposition characterizes uniquely the law of the simple path. If so, our results would give a new strategy to the existence of the scaling limit of the loop erased random walk and its rotational invariance.
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