Minimum deviation and balanced optimization: A unified approach

  • Authors:
  • C. W. Duin;A. Volgenant

  • Affiliations:
  • Institute of Actuarial Science and Econometrics, Operations Research Group, Faculty of Economics and Econometrics, University of Amsterdam, Jodenbreestraat 23, 1011 NH Amsterdam, The Netherlands;Institute of Actuarial Science and Econometrics, Operations Research Group, Faculty of Economics and Econometrics, University of Amsterdam, Jodenbreestraat 23, 1011 NH Amsterdam, The Netherlands

  • Venue:
  • Operations Research Letters
  • Year:
  • 1991

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Abstract

Most combinatorial optimization problems have as criterion the sum of the weights in a solution, but sometimes the criterion is different. A Minimum Deviation Problem minimizes the difference between maximum and average weight in a solution. We introduce a general solution scheme that is also suited for balanced optimization, i.e., the problem to find a solution that has a minimal deviation between the largest and the smallest weight. The scheme has a forward and a backward version, that gives more flexibility to improve complexity results. We analyze the approach for spanning trees, paths and Steiner trees in graphs.