Mathematics – Probability
Scientific paper
2000-11-02
Electron.J.Probab.6:1-13,2001
Mathematics
Probability
Name of paper changed from "Unbiased Finite Planar Graphs are Asymptotically Recurrent". A discussion of intrinsic mass transp
Scientific paper
Suppose that $G_j$ is a sequence of finite connected planar graphs, and in each $G_j$ a special vertex, called the root, is chosen randomly-uniformly. We introduce the notion of a distributional limit $G$ of such graphs. Assume that the vertex degrees of the vertices in $G_j$ are bounded, and the bound does not depend on $j$. Then after passing to a subsequence, the limit exists, and is a random rooted graph $G$. We prove that with probability one $G$ is recurrent. The proof involves the Circle Packing Theorem. The motivation for this work comes from the theory of random spherical triangulations.
Benjamini Itai
Schramm Oded
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