On the boundary at infinity for branching random walk

被引:0
作者
Candellero, Elisabetta [1 ]
Hutchcroft, Tom [2 ]
机构
[1] Roma Tre Univ, Dept Math & Phys, Rome, Italy
[2] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA
关键词
Martin boundary; branching random walk; Markov chains; POISSON FORMULA; LIMIT-THEOREM; TRANSITION; GRAPHS; NUMBER;
D O I
10.1214/23-ECP560
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 prove that a supercritical branching random walk on a transient Markov chain converges almost surely under rescaling to a random measure on the Martin boundary of the underlying Markov chain. Several open problems and conjectures about this limiting measure are presented.
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页数:12
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