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26 April 2024
 
  » arxiv » nlin.AO/0404011

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Ecolab, Webworld and self-organisation
Russell K. Standish ;
Date 6 Apr 2004
Subject Adaptation and Self-Organizing Systems; Populations and Evolution | nlin.AO q-bio.PE
AbstractEcolab and Webworld are both models of evolution produced by adding evolution to ecological equations. They differ primarily in the form of the ecological equations. Both models are self-organised to a state where extinctions balance speciations. However, Ecolab shows evidence of this self-organised state being critical, whereas Webworld does not. This paper examines the self-organised states of these two models and suggest the likely cause of the difference. Also the lifetime distribution for a mean field version of Ecolab is computed, showing that the fat tail of the distribution is due to coevolutionary adaption of the species.
Source arXiv, nlin.AO/0404011
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