1. Department of Statistics and Operations Research, Faculty of science, Kuwait University, Safat 13060, P.O.Box 5969, Kuwait;2. Department of Quantitative Methods, Faculty of Economics, Veszprém, Egyetem utca 10, 8200 Veszprém, Hungary
Abstract:
In this paper we provide exact formula for the commute times of random walks on spherically symmetric random trees. Using this formula we sharpen some of the results presented in Al-Awadhi et al. to the form of equalities rather than inequalities.