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Integer Programming Formulation of the Bilevel Knapsack Problem

Published online by Cambridge University Press:  26 August 2010

A. Taik ,
R. Mansi ,
S. Hanafi  and
L. Brotcorne
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Abstract

The Bilevel Knapsack Problem (BKP) is a hierarchical optimization problem in which the feasible set is determined by the set of optimal solutions of parametric Knapsack Problem. In this paper, we propose two stages exact method for solving the BKP. In the first stage, a dynamic programming algorithm is used to compute the set of reactions of the follower. The second stage consists in solving an integer program reformulation of BKP. We show that the integer program reformulation is equivalent to the BKP. Numerical results show the efficiency of our method compared with those obtained by the algorithm of Moore and Bard

Keywords

Bilevel programmingKnapsack problemdynamic programmingbranch-and-bound
Type
Research Article
Information
Mathematical Modelling of Natural Phenomena , Volume 5 , Issue 7: JANO9 – The 9th International Conference on Numerical Analysis and Optimization , 2010 , pp. 116 - 121
Copyright
© EDP Sciences, 2010

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References

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