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- W1597777163 abstract "The partial vertex cover problemis a generalization of the vertex cover problem: given an undirected graph G = (V,E) and an integer k, we wish to choose a minimum number of vertices such that at least k edges are covered. Just as for vertex cover, 2-approximation algorithms are known for this problem, and it is of interest to see if we can do better than this. The current-best approximation ratio for partial vertex cover, when parameterized by the maximum degree d of G, is (2-?(1/d)). We improve on this by presenting a (2-?(ln ln d/ln d))-approximation algorithm for partial vertex cover using semidefinite programming, matching the current-best bound for vertex cover. Our algorithm uses a new rounding technique, which involves a delicate probabilistic analysis." @default.
- W1597777163 created "2016-06-24" @default.
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- W1597777163 date "2002-01-01" @default.
- W1597777163 modified "2023-09-23" @default.
- W1597777163 title "Improved Approximation Algorithms for the Partial Vertex Cover Problem" @default.
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- W1597777163 doi "https://doi.org/10.1007/3-540-45753-4_15" @default.
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