Abstract
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(47.5k ·k! ·n 4). This is the first fixed parameter tractable algorithm for FVS that applies to both directed and undirected graphs.
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Bonsma, P., Lokshtanov, D. (2011). Feedback Vertex Set in Mixed Graphs. In: Dehne, F., Iacono, J., Sack, JR. (eds) Algorithms and Data Structures. WADS 2011. Lecture Notes in Computer Science, vol 6844. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22300-6_11
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DOI: https://doi.org/10.1007/978-3-642-22300-6_11
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