A simple dual ascent algorithm for the multilevel facility location problem

Bumb, Adriana and Kern, Walter (2001) A simple dual ascent algorithm for the multilevel facility location problem. In: Approximation, randomization, and combinatorial optimization: algorithms and techniques. Lecture notes in computer science, 2129 . Springer, Berlin, Germany, pp. 55-63. ISBN 9783540446668

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Abstract:	We present a simple dual ascent method for the multilevel facility location problem which finds a solution within 6 times the optimum for the uncapacitated case and within 12 times the optimum for the capacitated one. The algorithm is deterministic and based on the primal-dual technique.
Item Type:	Book Section
Copyright:	© 2001 Springer
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Discrete Mathematics and Mathematical Programming (DMMP)
Link to this item:	http://purl.utwente.nl/publications/79992
Official URL:	http://dx.doi.org/10.1007/3-540-44666-4_10
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