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2009/12/07

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Editor-in-Chief: Carlos Gershenson
Founding Editor: Gottfried Mayer

Scale-free correlations in bird flocks, arXiv
 









Excerpt: From bird flocks to fish schools, animal groups often seem to react to
environmental perturbations as if of one mind. Most studies in collective animal
behaviour have aimed to understand how a globally ordered state may emerge from
simple behavioural rules. Less effort has been devoted to understanding the
origin of collective response, namely the way the group as a whole reacts to its
environment. Yet collective response is the adaptive key to survivor, especially
when strong predatory pressure is present. Here we argue that collective
response in animal groups is achieved through scale-free behavioural
correlations. (...)
Source: Scale-free correlations in bird flocks[ http://arXiv.org/abs/0911.4393
], Andrea Cavagna, Alessio Cimarelli, Irene Giardina, Giorgio Parisi, Raffaele
Santagati, Fabio Stefanini, Massimiliano Viale, arXiv:0911.4393, 2009/11/23

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