Abstract
LP-rounding has yielded approximation algorithms for a large number of NP-hard problems in scheduling theory (see Section 17.6). As an illustrative example, we present a factor 2 algorithm for the problem of scheduling on unrelated parallel machines. We will apply the technique of parametric pruning, introduced in Chapter 5, together with LP-rounding, to obtain the algorithm.
Keywords
Feasible Solution Bipartite Graph Perfect Match Linear Relaxation Minimum Makespan
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Notes
- 191.J.K. Lenstra, D.B. Shmoys, and E. Tardos. Approximation algorithms for scheduling unrelated parallel machines. Mathematical Programming, 46: 259–271, 1990.Google Scholar
- 127.L.A. Hall. Approximation algorithms for scheduling. In D.S. Hochbaum, editor, Approximation Algorithms for NP-Hard Problems, pages 1–45. PWS Publishing, Boston, MA, 1997.Google Scholar
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