A (2 + ε)-approximation algorithm for the generalized preemptive open shop problem with minsum objective
نویسندگان
چکیده
In this paper we consider a 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.
منابع مشابه
Approximation algorithms for shop scheduling problems with minsum objective: A correction
We consider a general class of multiprocessor shop scheduling problems, preemptive or nonpreemptive, with precedence constraints between operations, with job or operation release dates, and with a class of objective functions including weighted sums of job, operations and stage completion times. We present a general approximation method combining a linear programming relaxation in the operation...
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