A method for finding the k most vital arcs in the shortest path problem

A method for finding the k most vital arcs in the shortest path problem

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Article ID: iaor20001050
Country: South Korea
Volume: 23
Issue: 4
Start Page Number: 11
End Page Number: 20
Publication Date: Dec 1998
Journal: Journal of the Korean ORMS Society
Authors: , ,
Keywords: programming: integer
Abstract:

This paper deals with a mathematical model and an algorithm for the problem of determining k most vital arcs in the shortest path problem. First, we propose a 0–1 integer programming model for finding k most vital arcs in shortest path problem given the ordered set of paths with cardinality q. Next, we also propose an algorithm for finding k most vital arcs in the shortest path problem which uses the 0–1 integer programming model and shortest path algorithm and maximum flow algorithms repeatedly. Malik et al. proposed a non-polynomial algorithm to solve the problem, but their algorithm was contradicted by Bar-Noy et al. with a counter example to the algorithm in 1995. But using our algorithm, the exact solution can be found directly from the algorithm of Malik et al.

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