Abstract
Several evolutionary simulations allow for a dynamic
resizing of the genotype. This is an important
alternative to constraining the genotype's maximum size
and complexity. In this paper, we add an additional
dynamic to simulated evolution with the description of
a genetic algorithm that coevolves its representation
language with the genotypes. We introduce two mutation
operators that permit the acquisition of modules from
the genotypes during evolution. These modules form an
increasingly highlevel representation language specific
to the developmental environment. Experimental results
illustrating interesting properties of the acquired
modules and the evolved languages are provided.
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