Towards control of opinion diversity by introducing zealots into a polarised social group

• URL: http://arxiv.org/abs/2006.07265v7
• Date: Thu, 6 Jan 2022 17:15:31 GMT
• Title: Towards control of opinion diversity by introducing zealots into a polarised social group
• Authors: Antoine Vendeville and Benjamin Guedj and Shi Zhou
• Abstract summary: We explore a method to influence or even control the diversity of opinions within a polarised social group. We leverage the voter model in which users hold binary opinions and repeatedly update their beliefs based on others they connect with. We inject zealots into a polarised network in order to shift the average opinion towards any target value.
• Score: 7.9603223299524535
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: We explore a method to influence or even control the diversity of opinions within a polarised social group. We leverage the voter model in which users hold binary opinions and repeatedly update their beliefs based on others they connect with. Stubborn agents who never change their minds ("zealots") are also disseminated through the network, which is modelled by a connected graph. Building on earlier results, we provide a closed-form expression for the average opinion of the group at equilibrium. This leads us to a strategy to inject zealots into a polarised network in order to shift the average opinion towards any target value. We account for the possible presence of a backfire effect, which may lead the group to react negatively and reinforce its level of polarisation in response. Our results are supported by numerical experiments on synthetic data.

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