A study of multi-parent crossover operators in a memetic algorithm

  • Authors:
  • Yang Wang;Zhipeng Lü;Jin-Kao Hao

  • Affiliations:
  • LERIA, Université d'Angers, Angers Cedex 01, France;LERIA, Université d'Angers, Angers Cedex 01, France;LERIA, Université d'Angers, Angers Cedex 01, France

  • Venue:
  • PPSN'10 Proceedings of the 11th international conference on Parallel problem solving from nature: Part I
  • Year:
  • 2010

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Abstract

Using unconstrained binary quadratic programming problem as a case study, we investigate the role of multi-parent crossover operators within the memetic algorithm framework. We evaluate the performance of four multi-parent crossover operators (called MSX, Diagonal, U-Scan and OB-Scan) and provide evidences and insights as to why one particular multi-parent crossover operator leads to better computational results than another one. For this purpose, we employ several indicators like population entropy and average solution distance in the population.