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EOR
2002
13 years 6 months ago
2002
This paper discusses various statistics for testing hypotheses regarding returns to scale in the context of non-parametric models of technical efficiency. In addition, the paper p...
EOR
2000
13 years 6 months ago
2000
This report describes an implementation of the Lin-Kernighan heuristic, one of the most successful methods for generating optimal or nearoptimal solutions for the symmetric travel...
EOR
2000
13 years 6 months ago
2000
We introduce two pairs of nondifferentiable multiobjective second order symmetric dual problems with cone constraints over arbitrary closed convex cones, which is different from th...
EOR
2000
13 years 6 months ago
2000
We consider the single itemcapacitated lot{sizingproblem, a well-known productionplanningmodelthat often arises in practical applications, and derive new classes of valid inequali...
EOR
2000
13 years 6 months ago
2000
This contribution describes a general mixed-integer linear programming model based on a time-indexed formulation covering the relevant features required for the complete supply ch...