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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/663

Title: Minimizing non-decreasing separable objective functions for the unit-time open shop scheduling problem
Authors: Cheng, T. C. Edwin
Shakhlevich, Natalia V.
Subjects: Scheduling
Open shop scheduling
Parallel machine scheduling
Separable non-decreasing function
Issue Date: 1-Sep-2005
Publisher: Elsevier B.V.
Citation: European journal of operational research, 1 Sept. 2005, v. 165, no. 2, p. 444-456.
Abstract: In this paper we study both the non-preemptive and preemptive versions of the popular unit-time open shop scheduling problem. For the set of feasible schedules which satisfy a predetermined order of job completion times, we construct the linear description of the convex hull of the vectors of the job completion times. Based on the properties of the resulting scheduling polyhedron, we show that the problem of constructing an optimal schedule minimizing an arbitrary non-decreasing separable cost function of job completion times is polynomially solvable.
Description: DOI: 10.1016/j.ejor.2004.04.014 Note: Pre-published version entitled: Minimizing Nondecreasing separable objective functions for the unit-time open shop scheduling problem. Project Management and Scheduling.
Rights: European Journal of Operational Research © 2004 Elsevier B.V. The journal web site is located at http://www.sciencedirect.com.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/663
ISSN: 03772217
Appears in Collections:LMS Journal/Magazine Articles

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