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- W2054396313 abstract "The (parameterized) feedback vertex set problem on directed graphs, which we refer to as the dfvs problem, is defined as follows: given a directed graph G and a parameter k, either construct a feedback vertex set of at most k vertices in G or report that no such set exists. Whether or not the dfvs problem is fixed-parameter tractable has been a well-known open problem in parameterized computation and complexity, i.e., whether the problem can be solved in time f(k)nO(1) for some function f. In this paper we develop new algorithmic techniques that result in an algorithm with running time 4k k! nO(1) for the dfvs problem, thus showing that this problem is fixed-parameter tractable." @default.
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- W2054396313 date "2008-05-17" @default.
- W2054396313 modified "2023-10-13" @default.
- W2054396313 title "A fixed-parameter algorithm for the directed feedback vertex set problem" @default.
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- W2054396313 doi "https://doi.org/10.1145/1374376.1374404" @default.
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