The Minimum Vulnerability Problem
ALGORITHMS AND COMPUTATION, ISAAC 2012, pp. 382-391, 2012.
We revisit the problem of finding k paths with a minimum number of shared edges between two vertices of a graph. An edge is called shared if it is used in more than one of the k paths. We provide a left perpendicular k/2 right perpendicular-approximation algorithm for this problem, improving the best previous approximation factor of k - 1...More
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