Local convergence of random graph colorings
Abstract
Let be a random graph whose average degree is below the -colorability threshold. If we sample a -coloring of uniformly at random, what can we say about the correlations between the colors assigned to vertices that are far apart? According to a prediction from statistical physics, for average degrees below the so-called {\em condensation threshold} , the colors assigned to far away vertices are asymptotically independent [Krzakala et al.: Proc. National Academy of Sciences 2007]. We prove this conjecture for exceeding a certain constant . More generally, we investigate the joint distribution of the -colorings that induces locally on the bounded-depth neighborhoods of any fixed number of vertices. In addition, we point out an implication on the reconstruction problem.
Keywords
Cite
@article{arxiv.1501.06301,
title = {Local convergence of random graph colorings},
author = {Amin Coja-Oghlan and Charilaos Efthymiou and Nor Jaafari},
journal= {arXiv preprint arXiv:1501.06301},
year = {2015}
}