This paper studies and describes two classes of local interactionevolution strategies (LES) where the choice of parents for mating aswell as the decision for survival and replacement are performed locallyonly. The entire population is now considered to consist of spatiallydistributed individuals each belonging to its own overlappingneighborhood and selection operates on a set of local pools. Thespecific real-world application considered is the optimization of a2-lens-system being part of a heterodyne receiver, a micro-opticalcommunication module. The goal is to optimize the system to be asinsensitive to fabrication tolerances as possible while stillmaintaining optimal properties. This task is highly multi-modal andmulti-objective too. The evaluation of each design variant is based on asimulation model and thus is a time consuming task
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