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2016 | OriginalPaper | Buchkapitel

The 2-Machine Routing Open Shop on a Triangular Transportation Network

verfasst von : Ilya Chernykh, Ekaterina Lgotina

Erschienen in: Discrete Optimization and Operations Research

Verlag: Springer International Publishing

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Abstract

The two machine routing open shop being a generalization of the metric TSP and two machine open shop scheduling problem is considered. It is known to be NP-hard even for the simplest case when the transportation network consists of two nodes only. For that simplest case it is known that the optimal makespan for any instance belongs to interval \([\bar{R},\frac{6}{5}\bar{R}]\), there \(\bar{R}\) is the standard lower bound. We generalize that classic result to the case of three-nodes transportation network and present a linear time \(\frac{6}{5}\)-approximation algorithm for that case.

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Metadaten
Titel
The 2-Machine Routing Open Shop on a Triangular Transportation Network
verfasst von
Ilya Chernykh
Ekaterina Lgotina
Copyright-Jahr
2016
DOI
https://doi.org/10.1007/978-3-319-44914-2_23