Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms 2012
DOI: 10.1137/1.9781611973099.63
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Approximation Algorithms and Hardness of the k-Route Cut Problem

Abstract: We study the k-route cut problem: given an undi-rected edge-weighted graph G = (V, E), a collection {(s 1 , t 1), (s 2 , t 2),. .. , (s r , t r)} of source-sink pairs, and an integer connectivity requirement k, the goal is to find a minimum-weight subset E of edges to remove, such that the connectivity of every pair (s i , t i) falls below k. Specifically, in the edge-connectivity version , EC-kRC, the requirement is that there are at most (k − 1) edge-disjoint paths connecting s i to t i in G \ E , while in t… Show more

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Cited by 7 publications
(8 citation statements)
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“…All the reductions are known and were previously presented in [7,3,11]. We present these results here for two reasons.…”
Section: Hardness Constructions Of Connectivity Problemsmentioning
confidence: 90%
See 3 more Smart Citations
“…All the reductions are known and were previously presented in [7,3,11]. We present these results here for two reasons.…”
Section: Hardness Constructions Of Connectivity Problemsmentioning
confidence: 90%
“…We will give the hardness construction of this problem based on the construction in [11] 3 . Take an instance (G = (U, W, E), {π e : e ∈ E}, L 1 , L 2 , c 1 , c 2 ) of the minimum-cost label cove problem.…”
Section: Theorem 69 ([11])mentioning
confidence: 99%
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“…Chuzhoy et al [10] study the edge-connectivity k-route cut problem. In this problem an undirected edge-weighted graph, a set of demands consisting of pairs of vertices, and a number k are given.…”
Section: Subsequent Workmentioning
confidence: 99%