Memory distribution in complex fitness landscapes

Juan G. Diaz Ochoa

Physica A: Statistical Mechanics and its Applications, 2007, vol. 386, issue 2, 752-755

Abstract: In a co-evolutionary context, the survive probability of individual elements of a system depends on their relation with their neighbors. The natural selection process depends on the whole population, which is determined by local events between individuals. Particular characteristics assigned to each individual, as larger memory, usually improve the individual fitness, but an agent possesses also endogenous characteristics that induce to re-evaluate her fitness landscape and choose the best-suited kind of interaction, inducing a non-absolute value of the outcomes of the interaction. In this work, a novel model with agents combining memory and rational choice is introduced, where individual choices in a complex fitness landscape induce changes in the distribution of the number of agents as a function of time. In particular, the tail of this distribution is fat compared with distributions for agents interacting only with memory.

Keywords: Multiagent models; Game theory; Population dynamics (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:386:y:2007:i:2:p:752-755

DOI: 10.1016/j.physa.2007.07.048

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