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Modeling Public Opinion Dynamics: The Spiral of silence in clustered homophilic networks
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Public discourses are altered by multiple social factors that affect both the willingness of the individuals to express their opinion and the structure of social relations. In this study, we explore the combined role of choice homophily and triadic closure in the formation of a public opinion in societies. This is achieved by combining mean-field models for network formation and opinion sharing, which allows us to derive the willingness of individuals to express their opinions from their fundamental relational dynamics. The theoretical framework is built upon a multigroup majority game and a dynamical system model. This approach is also able to determine bifurcations
in the macroscopic behaviour of the population. Monte Carlo simulations are used to validate the analytical results and to explore how finite-size effects and non-mean field network features influence the system’s behaviour. These findings contribute to a deeper understanding of how the network structure can suppress or support minority opinions in digital and offline communities
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Treballs Finals de Màster en Física dels Sistemes Complexos i Biofísica, Facultat de Física, Universitat de Barcelona. Curs: 2024-2025. Tutor: Emanuele Cozzo
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CASTILLO SANZ, Juan. Modeling Public Opinion Dynamics: The Spiral of silence in clustered homophilic networks. [consulted: 5 of October of 2026]. Available at: https://hdl.handle.net/2445/229783