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**ABSTRACT:**A polynomial-time algorithm is suggested for non-preemptive scheduling of n-independent jobs on m-unrelated machines to minimize the makespan. The algorithm has a worst-case performance ratio of 2−1/m. This is better than the earlier known best performance bound 2. Our approach gives the best possible approximation ratio that can be achieved using the rounding approach.Operations Research Letters 01/2005; 33:127-133. · 0.52 Impact Factor - [Show abstract] [Hide abstract]

**ABSTRACT:**We derive a polynomial time approximation scheme for a special case of makespan minimization on unrelated machines.Operations Research Letters 01/2010; 38:47-50. · 0.52 Impact Factor - [Show abstract] [Hide abstract]

**ABSTRACT:**We consider the graph balancing problem of providing orientations to edges in an undirected multi-graph to minimize the maximum load. We first obtain an FPTAS when the multi-graph is restricted to a tree. We also obtain some additional results for other restricted cases by showing equivalencies with related combinatorial problems.Information Processing Letters 01/2009; 110:24-29. · 0.49 Impact Factor

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