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Effect of pair interactions on transition probabilities between inactive and active states: achieving collective behaviour via pair interactions in social insects

Hayashi, Y., Yuki, M., Kikuchi, T., Tsuji, K. and Sugawara, K. (2015) Effect of pair interactions on transition probabilities between inactive and active states: achieving collective behaviour via pair interactions in social insects. Journal of the Physical Society of Japan, 84 (10). 104801. ISSN 1347-4073

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To link to this item DOI: 10.7566/JPSJ.84.104801

Abstract/Summary

To understand the evolution of well-organized social behaviour, we must first understand the mechanism by which collective behaviour establishes. In this study, the mechanisms of collective behaviour in a colony of social insects were studied in terms of the transition probability between active and inactive states, which is linked to mutual interactions. The active and inactive states of the social insects were statistically extracted from the velocity profiles. From the duration distributions of the two states, we found that 1) the durations of active and inactive states follow an exponential law, and 2) pair interactions increase the transition probability from inactive to active states. The regulation of the transition probability by paired interactions suggests that such interactions control the populations of active and inactive workers in the colony.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:40676
Publisher:Physical Society of Japan

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