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A branch-and-price algorithm for the rainbow cycle cover problems

Yüceoğlu, Birol and Şahin, Güvenç (2019) A branch-and-price algorithm for the rainbow cycle cover problems. Networks, 74 (1). pp. 3-15. ISSN 0028-3045 (Print) 1097-0037 (Online)

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Official URL: http://dx.doi.org/10.1002/net.21869

Abstract

A rainbow cycle in an undirected edge-colored graph is a cycle in which all edges have different colors. A rainbow cycle cover of a graph is a set of disjoint rainbow cycles, where each vertex belongs to exactly one cycle. The objective of the rainbow cycle cover problem is to minimize the number of rainbow cycles used to cover the vertices of the graph while the trivial cycle version also keeps the number of isolated vertices (called trivial rainbow cycles) at minimum. We present a branch-and-price procedure with column generation to solve both versions of the rainbow cycle cover problem. We compare our results with the literature in terms of computational performance. We also discuss two approaches to possibly improve the performance of the branch-and-price procedure.

Item Type:Article
Uncontrolled Keywords:branch-and-price; column generation; edge coloring; graph coloring; rainbow cycle; set partitioning
Subjects:T Technology > T Technology (General) > T055.4-60.8 Industrial engineering. Management engineering > T57.6-57.97 Operations research. Systems analysis
ID Code:37780
Deposited By:Güvenç Şahin
Deposited On:05 Aug 2019 22:32
Last Modified:05 Aug 2019 22:32

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