Abstract
In this work we give a tight lower bound on makespan approximation for envy-free allocation mechanisms dedicated to scheduling tasks on unrelated machines. Specifically, we show that no mechanism exists that can guarantee an envy-free allocation of jobs to m machines with a makespan less than a factor of O(logm) of the minimal makespan. Combined with previous results, this paper definitively proves that the optimal algorithm for obtaining a minimal makespan for any envy-free division can at best approximate the makespan to a factor of O(logm).
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Fiat, A., Levavi, A. (2012). Tight Lower Bounds on Envy-Free Makespan Approximation. In: Goldberg, P.W. (eds) Internet and Network Economics. WINE 2012. Lecture Notes in Computer Science, vol 7695. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35311-6_46
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DOI: https://doi.org/10.1007/978-3-642-35311-6_46
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