A Convexity Property of Discrete Random Walks

作者：Nagy Gabor V^*; Totik Vilmos

来源：Combinatorics Probability & Computing, 2016, 25(6): 928-940.

DOI：10.1017/S0963548316000109

We establish a convexity property for the hitting probabilities of discrete random walks in Z(d) (discrete harmonic measures). For d = 2 this implies a recent result on the convexity of the density of certain harmonic measures.

• 出版日期2016-11