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Penna Bit-String Model With Constant Population

Author

Listed:
  • P. M. C de OLIVEIRA

    (Laboratoire PMMH, École Supérieure de Physique et de Chimie Industrielles, 10 rue Vauquelin, F-75231 Paris, Euroland, Germany;
    Instituto de Física, Universidade Federal Fluminense, Av. Litorânea s/n, Boa Viagem Niterói 24210-340, RJ, Brazil)

  • S. MOSS de OLIVEIRA

    (Laboratoire PMMH, École Supérieure de Physique et de Chimie Industrielles, 10 rue Vauquelin, F-75231 Paris, Euroland, Germany;
    Instituto de Física, Universidade Federal Fluminense, Av. Litorânea s/n, Boa Viagem Niterói 24210-340, RJ, Brazil)

  • J. S. SÁ MARTINS

    (Laboratoire PMMH, École Supérieure de Physique et de Chimie Industrielles, 10 rue Vauquelin, F-75231 Paris, Euroland, Germany;
    Instituto de Física, Universidade Federal Fluminense, Av. Litorânea s/n, Boa Viagem Niterói 24210-340, RJ, Brazil)

Abstract

We removed from the Penna model for biological aging any random killing Verhulst factor. Deaths are due only to genetic diseases and the population size is fixed, instead of fluctuating around some constant value. We show that these modifications give qualitatively the same results obtained in an earlier paper, where the random killings (used to avoid an exponential increase of the population) were applied only to newborns.

Suggested Citation

  • P. M. C de OLIVEIRA & S. MOSS de OLIVEIRA & J. S. SÁ MARTINS, 2004. "Penna Bit-String Model With Constant Population," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 15(02), pages 301-305.
    • Handle: RePEc:wsi:ijmpcx:v:15:y:2004:i:02:n:s0129183104005711
    DOI: 10.1142/S0129183104005711
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