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September 2005 Random subgraphs of finite graphs. II. The lace expansion and the triangle condition
Christian Borgs, Jennifer T. Chayes, Gordon Slade, Joel Spencer, Remco van der Hofstad
Ann. Probab. 33(5): 1886-1944 (September 2005). DOI: 10.1214/009117905000000260

Abstract

In a previous paper we defined a version of the percolation triangle condition that is suitable for the analysis of bond percolation on a finite connected transitive graph, and showed that this triangle condition implies that the percolation phase transition has many features in common with the phase transition on the complete graph. In this paper we use a new and simplified approach to the lace expansion to prove quite generally that, for finite graphs that are tori, the triangle condition for percolation is implied by a certain triangle condition for simple random walks on the graph.

The latter is readily verified for several graphs with vertex set {0,1,…,r−1}n, including the Hamming cube on an alphabet of r letters (the n-cube, for r=2), the n-dimensional torus with nearest-neighbor bonds and n sufficiently large, and the n-dimensional torus with n>6 and sufficiently spread-out (long range) bonds. The conclusions of our previous paper thus apply to the percolation phase transition for each of the above examples.

Citation

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Christian Borgs. Jennifer T. Chayes. Gordon Slade. Joel Spencer. Remco van der Hofstad. "Random subgraphs of finite graphs. II. The lace expansion and the triangle condition." Ann. Probab. 33 (5) 1886 - 1944, September 2005. https://doi.org/10.1214/009117905000000260

Information

Published: September 2005
First available in Project Euclid: 22 September 2005

zbMATH: 1079.05087
MathSciNet: MR2165583
Digital Object Identifier: 10.1214/009117905000000260

Subjects:
Primary: 05C80 , 60K35 , 82B43

Keywords: Lace expansion , percolation , phase transition , random graph , Triangle condition

Rights: Copyright © 2005 Institute of Mathematical Statistics

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Vol.33 • No. 5 • September 2005
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