Publicação: A Lagrangian bound for many-to-many assignment problems
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Data
2010-04-01
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Coorientador
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Springer
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A simple procedure to tighten the Lagrangian bounds is proposed. The approach is interpreted in two ways. First, it can be seen as a reformulation of the original problem aimed to split the resulting Lagrangian problem into two subproblems. Second, it can be considered as a search for a tighter estimation of the penalty term arising in the Lagrangian problem. The new bounds are illustrated by a small example and studied numerically for a class of the generalized assignment problems.
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Inglês
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Journal of Combinatorial Optimization. Dordrecht: Springer, v. 19, n. 3, p. 241-257, 2010.
