Abstract
In this paper we consider generalized version of the classical preemptive open shop problem with sum of weighted job completion times objective. The main result is a (2 + ε)-approximation algorithm for this problem. In the last section we also discuss the possibility of improving our algorithm.
Research supported by a research grant from NSERC (the Natural Sciences and Research Council of Canada) to the first author.
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Queyranne, M., Sviridenko, M. (2001). A (2+ε)-Approximation Algorithm for Generalized Preemptive Open Shop Problem with Minsum Objective. In: Aardal, K., Gerards, B. (eds) Integer Programming and Combinatorial Optimization. IPCO 2001. Lecture Notes in Computer Science, vol 2081. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45535-3_28
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DOI: https://doi.org/10.1007/3-540-45535-3_28
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