Fully Polynomial Approximation Schemes for Single-Item Capacitated Economic Lot-Sizing Problems

C.P.M. van Hoesel and Albert Wagelmans

No EI 9735/A, Econometric Institute Research Papers from Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute

Abstract: NP-hard cases of the single-item capacitated lot-sizing problem have been the topic of extensive research and continue to receive considerable attention. However, surprisingly few theoretical results have been published on approximation methods for these problems. To the best of our knowledge, until now no polynomial approximation method is known which produces solutions with a relative deviation from optimality that is bounded by a constant. In this paper we show that such methods do exist, by presenting an even stronger result: the existence of fully polynomial approximation schemes. The approximation scheme is first developed for a quite general model, which has concave backlogging and production cost functions and arbitrary (monotone) holding cost functions. Subsequently we discuss important special cases of the model and extensions of the approximation scheme to even more general models.

Keywords: fully polynomial approximation schemes; lot-sizing models; single-item capacitated lot-sizing; suboptimal algorithms (search for similar items in EconPapers)
Date: 1997-01-01
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Citations: View citations in EconPapers (4)

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