Coevolutionary Dynamics of Interacting Species

One of the open questions in evolutionary computation is how an arms race may be initiated between coevolving entities such that the entities acquire new behaviors and increase in complexity over time. It would be highly desirable to establish the necessary and sufficient conditions which lead to such an arms race. We investigate what these conditions may be using a model of competitive coevolution. Coevolving species are modeled as points which are placed randomly on a twodimensional fitness landscape. The position of the species has an impact on the fitness landscape surrounding the phenotype of the species. Each species deforms the fitness landscape locally. This deformation, however, is not immediate. It follows the species after some latency period. We model evolution as a simple hill climbing process. Selection causes the species to climb towards the nearest optimum. We investigate the impact different conditions have on the evolutionary dynamics of this process. We will see that...

• Type: Journal
• Year: 2010
• Where: EVOW
• Authors: Marc Ebner, Richard A. Watson, Jason Alexander
• Keywords: Arms Race, Artificial Intelligence, Conditions, EVOW 2010, Fitness Landscape