Minimizing machine assignment costs over Δ-approximate solutions of the scheduling problem P||Cmax

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Summary

A problem of minimizing the total machine assignment cost over the Δ-approximate solutions of the makespan minimization problem is introduced and it is proved that this new problem is strongly NP-hard and pseudo-polynomially non- approximable in general.

Type
article
Published
2019-11-12
Cited by
4
References
13

Keywords

Job shop scheduling, Lexicographical order, Approximation algorithm, Mathematical optimization, Minification

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