Andjel, Enrique D.; Liggett, Thomas M.; Mountford, Thomas - In: Stochastic Processes and their Applications 42 (1992) 1, pp. 73-90
We consider one-dimensional spin systems in which the transition rate is 1 at site k if there are at least N sites in {k-N, k-N + 1, ..., k + N-1, k + N} at which the 'opinion' differs from that at k, and the rate is zero otherwise. We prove that clustering occurs for all N [greater-or-equal,...