Optimizing Epochal Evolutionary Search: Population-Size Independent Theory

Details Optimizing Epochal Evolutionary Search: Population-Size Independent Theory Optimizing Epochal Evolutionary Search: Population-Size Independent Theory

1998-10-12

arxiv.org/abs/adap-org/9810003v1

Nonlinear Sciences

Adaptation and Self-Organizing Systems

18 pages, 5 figures, see archive at http://www.santafe.edu/~evca/

Scientific paper

Epochal dynamics, in which long periods of stasis in population fitness are punctuated by sudden innovations, is a common behavior in both natural and artificial evolutionary processes. We use a recent quantitative mathematical analysis of epochal evolution to estimate, as a function of population size and mutation rate, the average number of fitness function evaluations to reach the global optimum. This is then used to derive estimates of and bounds on evolutionary parameters that minimize search effort.

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