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Assessing the Influence of Personality on Sensitivity to Magnetic Fields in Zebrafish

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Influence of periodic external fields in multiagent models with language dynamics.

Filippo Palombi¹, Stefano Ferriani², Simona Toti³

¹ENEA-Italian National Agency for New Technologies, Energy and Sustainable Economic Development Via Enrico Fermi 45, 00044 Frascati, Italy.

Physical Review. E

|January 20, 2018

Summary

External mass media fields can reverse majority opinion in agent models. Competing media fields create surprising periodic equilibria, influencing outcomes like first- or second-mover advantage.

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Area of Science:

Complex systems
Social dynamics
Agent-based modeling

Background:

The binary naming game models opinion formation in multiagent systems.
External fields can represent mass media influence on collective behavior.

Purpose of the Study:

To investigate the impact of external mass media fields on opinion dynamics in the binary naming game.
To analyze how single and competing external fields alter population opinion and equilibrium states.

Main Methods:

Phenomenological interpretation of external fields as mass media.
Mean-field approximation and numerical simulations on various network topologies.
Analysis of agent dynamics under periodic external field influence.

Main Results:

A single external field can reverse majority opinion above specific frequency and effectiveness thresholds.
Two competing external fields can lead to periodic equilibria with reversed average opinion densities.
These equilibria emerge when message frequencies are close or equal with specific time shifts.

Conclusions:

The interplay between external fields and internal agent dynamics drives opinion reversal and periodic equilibria.
The naming game model exhibits characteristics of first- or second-mover advantage depending on parameters.
Mass media can significantly manipulate collective opinion and create unexpected stable states.