An imitation model based on the majority

Hsin-Lun Li

Statistics & Probability Letters, 2024, vol. 206, issue C

Abstract: In the voter model, agents possess binary opinions. At each time step, an agent is selected along with a social neighbor and adopts the opinion of that neighbor at the next time step. In this paper, we delve into a variant of the voter model known as an imitation model based on the majority. This model represents a network opinion framework where individuals, situated on the vertex set of a finite connected graph interpreted as a social network, exhibit one of two competing opinions labeled as +1 and −1. The agent alters its opinion solely when the count of social neighbors holding opposing viewpoints exceeds those aligning with the agent’s opinion. We explore the conditions leading to a consensus and investigate the probability of consensus on a finite connected social graph.

Keywords: Social network; Voter model; Imitation; Majority; Consensus (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.spl.2023.110007

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