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	Some sufficient conditions for infinite collisions of simple random walks on a wedge comb
	Chen, Xinxing ; Chen, Dayue
	2011
关键词	wedge comb simple random walk infinite collision property local time
英文摘要	In this paper, we give some sufficient conditions for the infinite collisions of independent simple random walks on a wedge comb with profile {f(n), n is an element of Z}. One interesting result is that two independent simple random walks on the wedge comb will collide infinitely many times if f(n) has a growth order as n log n. On the other hand, if {f(n), n is an element of Z} are given by i.i.d. non-negative random variables with finite mean, then for almost all wedge combs with such profile, three independent simple random walks on it will collide infinitely many times.; Statistics & Probability; SCI(E); 2; ARTICLE; 1341-1355; 16
语种	英语
出处	SCI
出版者	electronic journal of probability
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/394597]
专题	数学科学学院
推荐引用方式 GB/T 7714	Chen, Xinxing,Chen, Dayue. Some sufficient conditions for infinite collisions of simple random walks on a wedge comb. 2011-01-01.

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