Minimum spanning trees made easier via multi-objective optimization

  • Authors:
  • Frank Neumann;Ingo Wegener

  • Affiliations:
  • Inst. für Informatik und Prakt. Mathematik, Christian-Albrechts-Univ. zu Kiel, Kiel, Germany 24098;FB Informatik, LS 2, Univ. Dortmund, Dortmund, Germany 44221

  • Venue:
  • Natural Computing: an international journal
  • Year:
  • 2006

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Abstract

Many real-world problems are multi-objective optimization problems and evolutionary algorithms are quite successful on such problems. Since the task is to compute or approximate the Pareto front, multi-objective optimization problems are considered as more difficult than single-objective problems. One should not forget that the fitness vector with respect to more than one objective contains more information that in principle can direct the search of evolutionary algorithms. Therefore, it is possible that a single-objective problem can be solved more efficiently via a generalized multi-objective model of the problem. That this is indeed the case is proved by investigating the computation of minimum spanning trees.