Revista de Matemáticas 8(1)
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Examinando Revista de Matemáticas 8(1) por Autor "Muñoz, Susana"
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Ítem Detecting constraint redundancy in 0-1 linear programming problems(2009-02-19 00:00:00) Muñoz, SusanaIn this paper we present a procedure for obtaining upper bounds on a linear function by means of certain families of packings, coverings and special ordered sets. We also present a new method for detecting redundant constraints in 0-1 linear programming problems based on these bounds that allows consideration of several constraints jointly. Furthermore, we show a redundancy situation which is detected by this new method, but not by the traditional methods, which consider the constraints individually.Keywords: Redundant constraints, packings, coverings, special ordered sets, admissible families