Population size matters: rigorous runtime results for maximizing the hypervolume indicator

  • Authors:
  • Anh Quang Nguyen;Andrew M. Sutton;Frank Neumann

  • Affiliations:
  • The University of Adelaide, Adelaide, Australia;Colorado State University, Fort Collins, CO, USA;The University of Adelaide, Adelaide, Australia

  • Venue:
  • Proceedings of the 15th annual conference on Genetic and evolutionary computation
  • Year:
  • 2013

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Abstract

Using the hypervolume indicator to guide the search of evolutionary multi-objective algorithms has become very popular in recent years. We contribute to the theoretical understanding of these algorithms by carrying out rigorous runtime analyses. We consider multi-objective variants of the problems OneMax and LeadingOnes called OMM and LOTZ, respectively, and investigate hypervolume-based algorithms with population sizes that do not allow coverage of the entire Pareto front. Our results show that LOTZ is easier to optimize than OMM for hypervolume-based evolutionary multi-objective algorithms which is contrary to the results on their single-objective variants and the well-studied (1+1)~EA.