title: Majority-vote model on random graphs.
abstract: The majority-vote model with noise on Erdös-Rényi's random graphs has been studied. Monte Carlo simulations were performed to characterize the order-disorder phase transition appearing in the system. We found that the value of the critical noise parameter qc is an increasing function of the mean connectivity z of the random graph. The critical exponents beta/nu, gamma/nu, and 1/nu were calculated for several values of z, and our analysis yielded critical exponents satisfying the hyperscaling relation with effective dimensionality equal to unity.
authors.affiliation: Departamento de Física, Universidade Federal de Pernambuco, 50670-901, Recife-PE, Brazil. luizfc@df.ufpe.br
authors.forename: Luiz F C
authors.initials: LF
authors.lastname: Pereira
authors.forename: F G Brady
authors.initials: FG
authors.lastname: Moreira