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2015 | OriginalPaper | Buchkapitel

Approximation Algorithms for the Multilevel Facility Location Problem with Linear/Submodular Penalties

verfasst von : Gaidi Li, Dachuan Xu, Donglei Du, Chenchen Wu

Erschienen in: Frontiers in Algorithmics

Verlag: Springer International Publishing

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Abstract

We consider two multilevel facility location problems with linear and submodular penalties respectively, and propose two approximation algorithms with performance guarantee \(3\) and \(1+\frac{2}{1-e^{-2}}(\approx 3.314)\) for these two problems.

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Fußnoten
1
Let us denote the facility cost by \(F^*\) and the connection cost by \(C^*\) in the optimal solution. If an algorithm can get an integer feasible solution to the \(k\)-LFLP with the total cost no more than \(a F^*+b C^*\) in polynomial time, then this algorithm is called a bifactor \((a,b)\)-approximate algorithm for \(k\)-LFLP.
 
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Metadaten
Titel
Approximation Algorithms for the Multilevel Facility Location Problem with Linear/Submodular Penalties
verfasst von
Gaidi Li
Dachuan Xu
Donglei Du
Chenchen Wu
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-19647-3_15