Self-organized critical model of biological evolution

H.F. Chau, Louis Mak and Peter K. Kwok

Physica A: Statistical Mechanics and its Applications, 1995, vol. 215, issue 4, 431-438

Abstract: A punctuated equilibrium model of biological evolution with relative fitness between different species being the fundamental driving force of evolution is introduced. Mutation is modeled as a fitness updating cellular automation process where the change in fitness after mutation follows a Gaussian distribution with mean x > 0 and standard deviation σ. Scaling behaviors are observed in our numerical simulation, indicating that the model is self-organized critical. Besides, the numerical experiment suggests that models with different x and σ belongs to the same universality class.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:215:y:1995:i:4:p:431-438

DOI: 10.1016/0378-4371(95)00027-5

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