Constitutes the refereed post-proceedings of the 7th International Conference on Artificial Evolution, EA 2005, held in Lille, France, in October 2005. This work contains papers that cover various aspects of artificial evolution: genetic programming, machine learning, combinatorial optimization, co-evolution, self-assembling and artificial life.

Genetic Programming.- Santa Fe Trail Hazards.- Size Control with Maximum Homologous Crossover.- Machine Learning.- A New Classification-Rule Pruning Procedure for an Ant Colony Algorithm.- Swarm-Based Distributed Clustering in Peer-to-Peer Systems.- Simultaneous Optimization of Weights and Structure of an RBF Neural Network.- An Exponential Representation in the API Algorithm for Hidden Markov Models Training.- Applications.- Memetic Algorithms for the MinLA Problem.- Niching in Evolution Strategies and Its Application to Laser Pulse Shaping.- A Modified Genetic Algorithm for the Beam Angle Optimization Problem in Intensity-Modulated Radiotherapy Planning.- Combinatorial Optimization.- On a Property Analysis of Representations for Spanning Tree Problems.- A Cooperative Multilevel Tabu Search Algorithm for the Covering Design Problem.- Enhancements of NSGA II and Its Application to the Vehicle Routing Problem with Route Balancing.- The Importance of Scalability When Comparing Dynamic Weighted Aggregation and Pareto Front Techniques.- Co-evolution.- A Backbone-Based Co-evolutionary Heuristic for Partial MAX-SAT.- Analysing Co-evolution Among Artificial 3D Creatures.- Self-assembling.- A Critical View of the Evolutionary Design of Self-assembling Systems.- Algorithmic Self-assembly by Accretion and by Carving in MGS.- Evolutionary Design of a DDPD Model of Ligation.- Artificial Life and Bioinformatics.- Population Structure and Artificial Evolution.- Outlines of Artificial Life: A Brief History of Evolutionary Individual Based Models.- An Enhanced Genetic Algorithm for Protein Structure Prediction Using the 2D Hydrophobic-Polar Model.- Incorporating Knowledge of Secondary Structures in a L-System-Based Encoding for Protein Folding.- Advances.- The Electromagnetism Meta-heuristic Applied to the Resource-Constrained Project Scheduling Problem.- Applications of Racing Algorithms: An Industrial Perspective.- An Immunological Algorithm for Global Numerical Optimization.- Algorithms (X, sigma, eta): Quasi-random Mutations for Evolution Strategies.

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