A polyhedral approach for a constrained quadratic 0–1 problem

In this paper we consider the problem of optimizing a quadratic pseudo-Boolean function subject to the cardinality constraint ∑ 1 ⩽ i ⩽ n x i = k with a polyhedral method. More precisely we propose a study of the convex hull of feasible points included in the Padberg's Boolean quadric polytope...

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Vydané v:Discrete Applied Mathematics Ročník 149; číslo 1; s. 87 - 100
Hlavní autori: Faye, Alain, Trinh, Quoc-an
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier B.V 01.08.2005
Elsevier
Predmet:
Computational Complexity
Computer Science
Constrained quadratic 0–1 problem
Faces
Facets
Polytope
Constrained quadratic 0–1 problem
Polytope
Facets
Faces
ISSN:0166-218X, 1872-6771
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Popis
Shrnutí:In this paper we consider the problem of optimizing a quadratic pseudo-Boolean function subject to the cardinality constraint ∑ 1 ⩽ i ⩽ n x i = k with a polyhedral method. More precisely we propose a study of the convex hull of feasible points included in the Padberg's Boolean quadric polytope and satisfying the cardinality constraint. Specifically, we investigate the connection with the Boolean quadric polytope and study a facet family. The relationship with two other polytopes of the literature is also explored.
ISSN:0166-218X
1872-6771
DOI:10.1016/j.dam.2004.02.020