The case for strategic oscillation

  title={The case for strategic oscillation},
  author={Fred Glover and Jin-Kao Hao},
  journal={Annals OR},
Hard problems for metaheuristic search can be a source of insight for developing better methods. We examine a challenging instance of such a problem that has exactly two local optima, with the novel property that these two solutions are separated by a maximum possible number of moves in the feasible space. Once a descent method based on flipping 0-1 variables reaches the first local optimum, all sequences of feasible flip moves to reach the second, which is the global optimum, must ultimately… CONTINUE READING

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