The power of α-points in preemptive sing
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Andreas S. Schulz; Martin Skutella
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Article
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2002
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Springer US
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English
⚖ 143 KB
We consider the NP-hard preemptive single-machine scheduling problem to minimize the total weighted completion time subject to release dates. A natural extension of Smith's ratio rule is to preempt the currently active job whenever a new job arrives that has higher ratio of weight to processing time