Exploiting Dominance in Three Symmetric Problems

  title={Exploiting Dominance in Three Symmetric Problems},
  author={Steven David Prestwich and J. Christopher Beck},
Symmetry breaking has led to huge improvements in search performance, and has recently been the subject of considerable research. The related concept of dominance is even more powerful than symmetry, yet it has been relatively unused in Constraint Programming. This paper describes previously unexploited dominances for three wellstudied symmetric problems. Experiments show the benefit of adding constraints to exclude both symmetric and dominated solutions. 

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