Recurrence of the Zd-valued infinite snake via unimodularity

被引:4
作者
Benjamini, Itai [1 ]
Curien, Nicolas [2 ]
机构
[1] Weizmann Inst Sci, IL-76100 Rehovot, Israel
[2] ENS, DMA, F-75005 Paris, France
关键词
Galton-Watson trees; random snake; mass-transport; unimodular random graph; BRANCHING RANDOM-WALK; TREES; BEHAVIOR; CLUSTER;
D O I
10.1214/ECP.v17-1700
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
We use the concept of unimodular random graph to show that the branching simple random walk on Z(d) indexed by a critical geometric Galton-Watson tree conditioned to survive is recurrent if and only if d <= 4.
引用
收藏
页码:1 / 10
页数:10
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