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- Shujun Jiang, Lixin Tang
- 2008 International Conference on Information…
- 2008

This paper focuses on a re-entrant hybrid flowshop scheduling (RHFS) problem with the objective of minimizing the sum of weighted completion time of jobs. In the re-entrant hybrid flowshop considered here, there are several stages, each with identical parallel machines. This problem is strongly NP-hard since it is more complicated than general hybrid… (More)

- Lixin Tang, Shujun Jiang, Jiyin Liu
- 2009

In this paper, we study a dynamic parallel machine scheduling problem with release times, where the release times and processing times of jobs may change during the production process due to uncertainties. The problem is different from classical scheduling problems in the deterministic environment where all information of jobs is known at the beginning of… (More)

- Shujun Jiang, Lixin Tang
- 2008 Second International Symposium on…
- 2008

The paper considers a single machine scheduling problem with release dates to minimize the total completion times of jobs. The problem belongs to the class of NP-hard. We present a mixed-integer linear programming formulation based on slot idea. The original problem becomes an allocation problem where the main model decisions define the assignment of the… (More)

- Shujun Jiang, Lixin Tang
- 2008 4th International Conference on Wireless…
- 2008

In this paper we consider a single scheduling problem with release dates concerning time-deteriorating job processing time, where the processing time of a job is a piecewise linear deterioration function of its starting time. The objective of the problem is to minimize the total completion times of jobs. This problem is strongly NP-hard since it is a… (More)

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