1993
DOI: 10.1007/bf01783411
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The optimal graph partitioning problem

Abstract: In this paper we consider the problem of partitioning the set of nodes in a graph in at mostp classes, such that the sum of node weights in any class is not greater than the class capacity b, and such that the sum of edge weights, for edges connecting nodes in the same class, is maximal. This problem can be formulated as a MILP, which turns out to be completely symmetrical with respect to the p classes, and the gap between the relaxed LP solution and the optimal solution is the largest one possible. These two … Show more

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Cited by 14 publications
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“…Also, the number of clusters may be fixed. Holm and Sørensen (1993) present a branch-and-cut algorithm for this case, where cuts are added to the formulation to avoid equivalent solutions. Branch-and-price methods based on different formulations and ways of solving the subproblems are implemented in Johnson, Mehrotra, and Nemhauser (1993) and Mehrotra and Trick (1998) .…”
Section: Article In Pressmentioning
confidence: 99%
“…Also, the number of clusters may be fixed. Holm and Sørensen (1993) present a branch-and-cut algorithm for this case, where cuts are added to the formulation to avoid equivalent solutions. Branch-and-price methods based on different formulations and ways of solving the subproblems are implemented in Johnson, Mehrotra, and Nemhauser (1993) and Mehrotra and Trick (1998) .…”
Section: Article In Pressmentioning
confidence: 99%