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physics.soc-ph2024
Opinion models, data, and politics
Matthias Gsänger, Volker Hösel, Christoph Mohamad-Klotzbach +1
We investigate the connection between Potts (Curie-Weiss) models and stochastic opinion models in the view of the Boltzmann distribution and stochastic Glauber dynamics. We particu…
physics.soc-ph2020
Filter Bubbles, Echo Chambers, and Reinforcement: Tracing Populism in Election Data
Johannes Müller, Volker Hösel, Aurélien Tellier
We present a novel model for the effect of echo chambers, filter bubbles, and reinforcement on election results. Our model extends the well known voter model with zealots to includ…
physics.soc-ph2018
Do voters choose rationally, irrationally or at random? Data and theory for proportional elections
Volker Hösel, Johannes Müller, Aurélien Tellier
Data of proportional elections show a striking feature: If the parties are ranked according to the number of their voters, the number of votes grows exponentially with the rank of…