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- W2952387706 abstract "Given an undirected, edge-weighted graph G together with pairs of vertices, called pairs of terminals, the minimum multicut problem asks for a minimum-weight set of edges such that, after deleting these edges, the two terminals of each pair belong to different connected components of the graph. Relying on topological techniques, we provide a polynomial-time algorithm for this problem in the case where G is embedded on a fixed surface of genus g (e.g., when G is planar) and has a fixed number t of terminals. The running time is a polynomial of degree O(sqrt{g^2+gt}) in the input size. In the planar case, our result corrects an error in an extended abstract by Bentz [Int. Workshop on Parameterized and Exact Computation, 109-119, 2012]. The minimum multicut problem is also a generalization of the multiway cut problem, a.k.a. multiterminal cut problem; even for this special case, no dedicated algorithm was known for graphs embedded on surfaces." @default.
- W2952387706 created "2019-06-27" @default.
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- W2952387706 date "2015-02-03" @default.
- W2952387706 modified "2023-09-27" @default.
- W2952387706 title "Multicuts in Planar and Bounded-Genus Graphs with Bounded Number of Terminals" @default.
- W2952387706 hasPublicationYear "2015" @default.
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