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Self-organized critical model of biological evolution

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

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.

Suggested Citation

  • Chau, H.F. & Mak, Louis & Kwok, Peter K., 1995. "Self-organized critical model of biological evolution," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 215(4), pages 431-438.
    • Handle: RePEc:eee:phsmap:v:215:y:1995:i:4:p:431-438
    DOI: 10.1016/0378-4371(95)00027-5
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    References listed on IDEAS

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    1. Halfpenny, Peter, 1984. "Donald W. Katzner, Analysis without measurement: Cambridge University Press, Cambridge, 1983. pp. 304 + xiv. [UK pound]19.50," Journal of Economic Psychology, Elsevier, vol. 5(2), pages 197-200, June.
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