Abstract

The worst-case analysis of the approximation algorithm proposed by Palmer and the algorithm RAES (the best of algorithms proposed by Dannenbring) for m -machine permutation flow-shop problem are presented. The worst-case performance ratios equal approximately m 2 for each of the algorithms are found. An evaluation of the worst-case performance ratio of Nawaz's algorithm N is shown. Proposed are a few modifications improving the speed of the algorithms RAES and N.

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