Tsujiguchi, Masaru; Odagaki, Takashi - In: Physica A: Statistical Mechanics and its Applications 375 (2007) 1, pp. 317-322
We show by Monte Carlo (MC) simulation that the hierarchy and villages emerge simultaneously in a challenging society when the population density exceeds a critical value. Our results indicate that among controlling processes of diffusion and fighting of individuals and relaxation of wealth, the...