Abstract
We correct a claim, made in [6], that the proof of the key result in [3] about the existence of a monotone optimal multi-partition was incomplete; further, we provide a sortability interpretation for the criticized step of that proof.
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References
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Rothblum, U.G. A Comment on: F.K. Hwang, Y.M. Wang and J.S. Lee, ‘Sortability of Multi-Partitions’, Journal of Global Optimization 24 (2002), pp. 463–472. Journal of Global Optimization 29, 121–123 (2004). https://doi.org/10.1023/B:JOGO.0000035092.97216.57
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DOI: https://doi.org/10.1023/B:JOGO.0000035092.97216.57