par Nicolis, Stamatios ;Deneubourg, Jean-Louis
Référence Journal of theoretical biology, 542, 111120
Publication Publié, 2022-06-01
Article révisé par les pairs
Résumé : We use a minimalistic mathematical model with a limited number of parameters to evaluate the impact of interindividual differences in the collective decision-making of a group. As it turns out, in most cases, heterogeneous groups are more efficient in their decision-making than homogenous ones, especially when considering small group sizes. In reality, being different disfavours the emergence of an hysteresis and a collective threshold which are characteristics of such cooperative species while keeping inter-attractions the same between individuals. Finally, when the cooperativity becomes very large, we observe an explosion of accessible stable states.

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