Sayama, Hiroki. “Seeking Open-Ended evolution in swarm chemistry II: Analyzing Long-Term dynamics via automated object harvesting.” In Artificial Life Conference Proceedings , pp. 59-66. One Rogers Street, Cambridge, MA 02142-1209 USA journals-info@ mit. edu: MIT Press, 2018.
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We studied the long-term dynamics of evolutionary Swarm Chemistry by extending the simulation length ten-fold compared to earlier work and by developing and using a new automated object harvesting method. Both macroscopic dynamics and microscopic object features were characterized and tracked using several measures. Results showed that the evolutionary dynamics tended to settle down into a stable state after the initial transient period, and that the extent of environmental perturbations also affected the evolutionary trends substantially. In the meantime, the automated harvesting method successfully produced a huge collection of spontaneously evolved objects, revealing the system’s autonomous creativity at an unprecedented scale.