Opinion Dynamics Models with Memory in Coopetitive Social Networks: Analysis, Application and Simulation
Qingsong Liu, Li Chai

TL;DR
This paper introduces a novel opinion dynamics model incorporating individual memory, analyzing conditions for consensus and polarization, and applying it to simulate Kahneman's experiments, revealing how memory affects opinion formation speed.
Contribution
It proposes a new opinion dynamics model with memory effects, providing theoretical conditions for opinion states and demonstrating its application to behavioral experiments.
Findings
Memory influences the speed of opinion formation.
Conditions for consensus and polarization are derived.
Simulation aligns with Kahneman's experimental results.
Abstract
In some social networks, the opinion forming is based on its own and neighbors' (initial) opinions, whereas the evolution of the individual opinions is also influenced by the individual's past opinions in the real world. Unlike existing social network models, in this paper, a novel model of opinion dynamics is proposed, which describes the evolution of the individuals' opinions not only depends on its own and neighbors' current opinions, but also depends on past opinions. Memory and memoryless communication rules are simultaneously established for the proposed opinion dynamics model. Sufficient and/or necessary conditions for the equal polarization, consensus and neutralizability of the opinions are respectively presented in terms of the network topological structure and the spectral analysis. We apply our model to simulate Kahneman's seminal experiments on choices in risky and riskless…
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Taxonomy
TopicsOpinion Dynamics and Social Influence · Complex Network Analysis Techniques · Evolutionary Game Theory and Cooperation
