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J Math Biol ; 83(4): 45, 2021 10 01.
Artículo en Inglés | MEDLINE | ID: mdl-34596763

RESUMEN

Starting from recent experimental observations of starlings and jackdaws, we propose a minimal agent-based mathematical model for bird flocks based on a system of second-order delayed stochastic differential equations with discontinuous (both in space and time) right-hand side. The model is specifically designed to reproduce self-organized spontaneous sudden changes of direction, not caused by external stimuli like predator's attacks. The main novelty of the model is that every bird is a potential turn initiator, thus leadership is formed in a group of indistinguishable agents. We investigate some theoretical properties of the model and we show the numerical results. Biological insights are also discussed.


Asunto(s)
Estorninos , Animales , Modelos Teóricos
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