Random walks on stochastic hyperbolic half planar triangulations

被引:6
作者
Angel, Omer [1 ]
Nachmias, Asaf [2 ]
Ray, Gourab [3 ]
机构
[1] Univ British Columbia, Dept Math, Vancouver, BC V5Z 1M9, Canada
[2] Tel Aviv Univ, Nachmias, IL-69978 Tel Aviv, Israel
[3] Univ Cambridge, DPMMS, Cambridge CB2 1TN, England
基金
英国工程与自然科学研究理事会; 加拿大自然科学与工程研究理事会;
关键词
random graphs; planar maps; anchored expansion; positive speed; hyperbolic graph; MARKOV-CHAINS; ISOPERIMETRIC-INEQUALITIES; CLUSTER; GRAPHS; MAPS;
D O I
10.1002/rsa.20625
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We study the simple random walk on stochastic hyperbolic half planar triangulations constructed in (Angel and Ray, Ann Probab, in press). We show that almost surely the walker escapes the boundary of the map in positive speed and that the return probability to the starting point after n steps scales like exp(-cn1/3) (c) 2016 Wiley Periodicals, Inc. Random Struct. Alg., 49, 213-234, 2016
引用
收藏
页码:213 / 234
页数:22
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