A mixed graph is a graph with both directed and undirected edges. We present an algorithm for deciding whether a given mixed graph on n vertices contains a feedback vertex set (FVS) of size at most k, in time O(47.5 k·k!·n4). This is the first fixed parameter tractable algorithm for FVS that applies to both directed and undirected graphs. © 2011 Springer-Verlag.
CITATION STYLE
Bonsma, P., & Lokshtanov, D. (2011). Feedback vertex set in mixed graphs. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6844 LNCS, pp. 122–133). https://doi.org/10.1007/978-3-642-22300-6_11
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