Opinion groups formation and dynamics : structures that last from non lasting entities

Abstract

We extend simple opinion models to obtain stable but continuously evolving communities. Our scope is to meet a challenge raised by sociologists of generating "structures that last from non lasting entities". We achieve this by introducing two kinds of noise on a standard opinion model. First, agents may interact with other agents even if their opinion difference is large. Second, agents randomly change their opinion at a constant rate. We show that for a large range of control parameters, our model yields stable and fluctuating polarized states, where the composition and mean opinion of the emerging groups is fluctuating over time.

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• Relative opinion similarity leads to the emergence of large clusters in opinion formation models
• A noisy opinion formation model with two opposing mass media
• Opinion Dynamics with Continuous Age Structure
• Finite-Time Elimination of Disagreement of Opinion Dynamics via Covert Noise
• Noise-based control of opinion dynamics
• Heterogeneous Hegselmann-Krause Dynamics with Environment and Communication Noise