Torpid mixing of local Markov chains on 3-colorings of the discrete torus.

David Galvin Dana Randall Torpid mixing of local Markov chains on 3-colorings of the discrete torus. 376-384 2007 conf/soda/2007 SODA http://doi.acm.org/10.1145/1283383.1283423 db/conf/soda/soda2007.html#GalvinR07