Evolution of Boolean networks under selection for a robust response to external inputs yields an extensive neutral space.

Abstract excerpt

We study the evolution of Boolean networks as model systems for gene regulation. Inspired by biological networks, we select simultaneously for robust attractors and for the ability to respond to external inputs by changing the attractor. Mutations change the connections between the nodes and the update functions. In order to investigate the influence of the type of update functions, we perform our simulations...

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