The minimal feedback arc set problem

The minimal feedback arc set problem

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Article ID: iaor2006955
Country: Canada
Volume: 42
Issue: 2
Start Page Number: 107
End Page Number: 112
Publication Date: May 2004
Journal: INFOR
Authors: ,
Keywords: graphs, programming: integer
Abstract:

Given a directed network G(N;A), the minimum feedback arc set problem is to find an optimal weighted subset of arcs A′ [is a subset of] A so that G(N;A\A′) is acyclic. We first provide a mixed 0–1 integer programming formulation whose LP relaxation can be solved by a strongly polynomial algorithm of complexity 0([the absolute of N] cubed log [the absolute value of N]. An enumerative framework is provided which makes use of this relaxation repeatedly. We also provide a result which gives rise to a heuristic algorithm.

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