Minimizing makespan with release times on identical parallel batching machines. (English) Zbl 1066.90033

Summary: We consider the problem of scheduling \(n\) jobs on \(m\) identical parallel batching machines. Each job is characterized by a release time and a processing time. Each machine can process up to \(B\) \((B<n)\) jobs as a batch simultaneously. The processing time of a batch is equal to the largest processing time among all jobs in the batch. The objective is to minimize the maximum completion time (makespan). We present a polynomial time approximation scheme (PTAS) for this problem.


90B35 Deterministic scheduling theory in operations research
90C05 Linear programming
Full Text: DOI


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