Copositive optimization – Recent developments and applications

► Copositive optimization is an important problem class within conic optimization which receives much attention nowadays. ► It allows reformulation of diverse NP-hard problems, including nonconvex, mixed-binary, and fractional quadratic problems. ► Combinatorial applications: quadratic assignment, b...

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Published inEuropean journal of operational research Vol. 216; no. 3; pp. 509 - 520
Main Author Bomze, Immanuel M.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.02.2012
Elsevier
Elsevier Sequoia S.A
Subjects
Online AccessGet full text
ISSN0377-2217
1872-6860
DOI10.1016/j.ejor.2011.04.026

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Abstract ► Copositive optimization is an important problem class within conic optimization which receives much attention nowadays. ► It allows reformulation of diverse NP-hard problems, including nonconvex, mixed-binary, and fractional quadratic problems. ► Combinatorial applications: quadratic assignment, bounding the clique and the crossing number, graph coloring and partitioning. ► Applications in the continuous domain: stability in switched systems, optimality conditions, and tight convex underestimation. ► Further applications: rigid body mechanics, networks in queueing, traffic, reliability, uncertainty in Q2 mixed-integer LPs. Due to its versatility, copositive optimization receives increasing interest in the Operational Research community, and is a rapidly expanding and fertile field of research. It is a special case of conic optimization, which consists of minimizing a linear function over a cone subject to linear constraints. The diversity of copositive formulations in different domains of optimization is impressive, since problem classes both in the continuous and discrete world, as well as both deterministic and stochastic models are covered. Copositivity appears in local and global optimality conditions for quadratic optimization, but can also yield tighter bounds for NP-hard combinatorial optimization problems. Here some of the recent success stories are told, along with principles, algorithms and applications.
AbstractList Due to its versatility, copositive optimization receives increasing interest in the Operational Research community, and is a rapidly expanding and fertile field of research. It is a special case of conic optimization, which consists of minimizing a linear function over a cone subject to linear constraints. The diversity of copositive formulations in different domains of optimization is impressive, since problem classes both in the continuous and discrete world, as well as both deterministic and stochastic models are covered. Copositivity appears in local and global optimality conditions for quadratic optimization, but can also yield tighter bounds for NP-hard combinatorial optimization problems. Here some of the recent success stories are told, along with principles, algorithms and applications. [PUBLICATION ABSTRACT]
► Copositive optimization is an important problem class within conic optimization which receives much attention nowadays. ► It allows reformulation of diverse NP-hard problems, including nonconvex, mixed-binary, and fractional quadratic problems. ► Combinatorial applications: quadratic assignment, bounding the clique and the crossing number, graph coloring and partitioning. ► Applications in the continuous domain: stability in switched systems, optimality conditions, and tight convex underestimation. ► Further applications: rigid body mechanics, networks in queueing, traffic, reliability, uncertainty in Q2 mixed-integer LPs. Due to its versatility, copositive optimization receives increasing interest in the Operational Research community, and is a rapidly expanding and fertile field of research. It is a special case of conic optimization, which consists of minimizing a linear function over a cone subject to linear constraints. The diversity of copositive formulations in different domains of optimization is impressive, since problem classes both in the continuous and discrete world, as well as both deterministic and stochastic models are covered. Copositivity appears in local and global optimality conditions for quadratic optimization, but can also yield tighter bounds for NP-hard combinatorial optimization problems. Here some of the recent success stories are told, along with principles, algorithms and applications.
Due to its versatility, copositive optimization receives increasing interest in the Operational Research community, and is a rapidly expanding and fertile field of research. It is a special case of conic optimization, which consists of minimizing a linear function over a cone subject to linear constraints. The diversity of copositive formulations in different domains of optimization is impressive, since problem classes both in the continuous and discrete world, as well as both deterministic and stochastic models are covered. Copositivity appears in local and global optimality conditions for quadratic optimization, but can also yield tighter bounds for NP-hard combinatorial optimization problems. Here some of the recent success stories are told, along with principles, algorithms and applications.
Author Bomze, Immanuel M.
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Issue 3
Keywords Clique number
Robust optimization
Standard quadratic optimization
Convexity gap
Completely positive matrix
Crossing number
Stochastic model
Cone
conic programming
Graph clique
Local optimum
Minimization
Global optimum
Combinatorial optimization
Global local method
Deterministic model
NP hard problem
Optimality condition
Optimality criterion
Convexity
Mathematical programming
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SSID ssj0001515
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Snippet ► Copositive optimization is an important problem class within conic optimization which receives much attention nowadays. ► It allows reformulation of diverse...
Due to its versatility, copositive optimization receives increasing interest in the Operational Research community, and is a rapidly expanding and fertile...
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SubjectTerms Algorithms
Applied sciences
Clique number
Combinatorial analysis
Communities
Completely positive matrix
Computer science; control theory; systems
Conics
Convexity gap
Crossing number
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Title Copositive optimization – Recent developments and applications
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Volume 216
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