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Constant Factor Approximation Algorithm for Weighted Flow Time on a Single Machine in Pseudo-Polynomial Time

Constant Factor Approximation Algorithm for Weighted Flow Time on a Single Machine in Pseudo-Polynomial Time

In the weighted flow-time problem on a single machine, we are given a set of n jobs, where each job has a processing requirement p_j, release date r_j and weight w_j. The goal is to find a preemptive schedule which minimizes the sum of weighted flow-time of jobs, where the …