Worst-case analysis of maximal dual feasible functions |
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| Authors: | Jürgen Rietz Cláudio Alves J M Valério de Carvalho |
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| Institution: | 1. Dept. Produ??o e Sistemas, Centro de Investiga??o Algoritmi da Universidade do Minho, Escola de Engenharia, Universidade do Minho, 4710-057, Braga, Portugal
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| Abstract: | Dual feasible functions have been used to compute fast lower bounds and valid inequalities for integer linear problems. In this paper, we analyze the worst-case performance of the lower bounds provided by some of the best functions proposed in the literature. We describe some worst-case examples for these functions, and we report on new results concerning the best parameter choice for one of these functions. |
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