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The consensus times of the majority vote process on a torus

Research paper by Dayue Chen

Indexed on: 01 Feb '97Published on: 01 Feb '97Published in: Journal of Statistical Physics



Abstract

We study the majority vote process on a two-dimensional torus in which every voter adopts the minority of opinion with small probability δ. We identify the exponent that the mean of consensus time is asymptotically (1/δ) with that exponent as δ goes to 0. The proof is by a formula for mean exit time and by the metastable theory of Markov chains developed in the study of the stochastic Ising model.