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2017 | OriginalPaper | Buchkapitel

The Multiobjective Shortest Path Problem Is NP-Hard, or Is It?

verfasst von : Fritz Bökler

Erschienen in: Evolutionary Multi-Criterion Optimization

Verlag: Springer International Publishing

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Abstract

To show that multiobjective optimization problems like the multiobjective shortest path or assignment problems are hard, we often use the theory of \(\mathbf {NP} \)-hardness. In this paper we rigorously investigate the complexity status of some well-known multiobjective optimization problems and ask the question if these problems really are \(\mathbf {NP} \)-hard. It turns out, that most of them do not seem to be and for one we prove that if it is \(\mathbf {NP} \)-hard then this would imply \(\mathbf {P} = \mathbf {NP} \) under assumptions from the literature. We also reason why \(\mathbf {NP} \)-hardness might not be well suited for investigating the complexity status of intractable multiobjective optimization problems.

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Metadaten
Titel
The Multiobjective Shortest Path Problem Is NP-Hard, or Is It?
verfasst von
Fritz Bökler
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-54157-0_6

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