• Learning and Complexity in Genetic Auto-Adaptive Systems (1995)
  • Self-Organized Criticality in Living Systems (1995)
  • On Modeling Life (1995)
  • Evolutionary Learning in the 2D Artificial Life Systems Avida (1994)
  • Abundance Distributions in Artificial Life and Stochastic Models: "Age and Area" revisited (1995)
  • Propagation of Information in Populations of Self-Replicating Code (1996)
  • Driving Molecular Evolution towards the Error Threshold (1997)
  • Critical Exponent of Species-Size Distribution in Evolution (1998)
  • Evolution of Genetic Organization in Digital Organisms (1999)
  • Evolution of Differentiated Expression Patterns in Digital Organisms (2000)
  • Genomic Complexity, Robustness, and Genetic Interactions in Digital Organisms (1999)
  • Evolution of Biological Complexity (2000)
  • Influence of History and Adaptation on Evolution in Digitalia (2000)