Opinions are an integral part of how we perceive the world and each other. They shape
collective action, playing a role in democratic processes, the evolution of norms, and cultural …

We study the ordering dynamics of nonlinear voter models with multiple states, also
providing a discussion of the two-state model. The rate with which an individual adopts an …

We study the contrarian voter model for opinion formation in a society under the influence of
an external oscillating propaganda and stochastic noise. Each agent of the population can …

In this paper, we conduct experimental investigations on the behavior of confined self-
propelled particles within a circular arena, employing small commercial robots capable of …