3 papers
math.FA2024
Positive Definite Kernels and Random Sequences Connected to Polynomial Hypergroups
Volker Hösel
This work explores new classes of nonstationary stochastic sequences associated with polynomial hypergroups. Their covariance structures are analyzed through positive definite kern…
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…