SCALING IN A CONTINUOUS TIME MODEL FOR BIOLOGICAL AGING

R. M. C. de Almeida () and G. L. Thomas
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R. M. C. de Almeida: Instituto de Física, Universidade Federal do Rio Grande do Sul, Caixa Postal 15051, 91501-970 – Porto Alegre – RS, Brazil
G. L. Thomas: Instituto de Física, Universidade Federal do Rio Grande do Sul, Caixa Postal 15051, 91501-970 – Porto Alegre – RS, Brazil

International Journal of Modern Physics C (IJMPC), 2000, vol. 11, issue 06, 1209-1224

Abstract: In this paper, we consider a generalization to the asexual version of Penna model for biological aging, where we take a continuous time limit. The genotype associated to each individual is an interval of real numbers over which Dirac δ-functions are defined, representing genetically programmed diseases to be switched on at defined ages of the individual life. We discuss two different continuous limits for the evolution equation and two different mutation protocols, to be implemented during reproduction. Exact stationary solutions are obtained and scaling properties are discussed.

Keywords: Penna Models; Biological Aging (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1142/S0129183100001024

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