Abundance - Distributions in Arti cial Life
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چکیده
Using an artiicial system of self-replicating strings, we show a correlation between the age of a genotype and its abundance that reeects a punctuated rather than gradual picture of evolution, as suggested long ago by Willis. In support of this correlation, we measure genotype abundance distributions and nd universal coee-cients. Finally, we propose a simple stochastic model which describes the dynamics of equilibrium periods and which correctly predicts most of the observed distributions.
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تاریخ انتشار 1995