Conductivity of Random Trees and the Existence of Infinite Conducting Components- Percolation Model | ||||
| The Egyptian Statistical Journal | ||||
| Article 7, Volume 35, Issue 2, December 1991, Page 251-266 PDF (8.41 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/esju.1991.315017 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Mokhtar H. Konsowa* 1; Boualem Bendjilali1; Ahmed H. Haroon2 | ||||
| 1College of Business and Economics, King Saud University, Unizah-Al Qasseem | ||||
| 2Dep. of Planning and Statistics, College of Economical and Managerial Science, University of Al-Ain,UAE | ||||
| Abstract | ||||
| Let T be an infinite tree in which every vertex α has, independently of the other vertices, a random degree d(α) and every edge has, independently of the other edges, a random conductivity σ. We employ the moment generating function's technique to obtain a formula for the total conductivity of T. We also obtain bounds for the conductivity of spherically symmetric infinite random trees. Assume that every edge of a homogeneous tree T is conducting (open) with probability p or nonconducting (closed) with probability q=1-p. We use the branching processes' argument to reobtain the critical probability. Pc above which percolation occurs; that is, there exists infinite conducting (open) component of T. We also give a sufficient condition for obtaining none such conducting component in case that the probabilities p and q are depending on edge distance from the root of T. | ||||
| Keywords | ||||
| Conductivity; Random trees; Percolation; Branching Processes; Extinction Probability | ||||
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