We consider parallel machine scheduling problems where the processing of the jobs on the machines involves two types of objectives. The first type is one of two classical objective functions in scheduling theory: either the total completion time or the makespan. The second type involves an...

This paper studies a two-machine flow shop scheduling problem with a supporting precedence relation. The model originates from a real production context of a chemical factory that produces foam-rubber products. We extend the traditional two-machine flow shop by dividing the operations into two...

Not long ago, the Asia Pacific area suffered economic decline due to financial crises. By contrast, Taiwan, stood apart from its regional competitors and was able to manage and turn the crises into opportunities. Besides the financial factors discussed by economists, quality management should...