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Detecting wheels
Published 29 Aug 2013 in cs.DM and math.CO | (1308.6433v1)
Abstract: A \emph{wheel} is a graph made of a cycle of length at least~4 together with a vertex that has at least three neighbors in the cycle. We prove that the problem whose instance is a graph $G$ and whose question is "does $G$ contains a wheel as an induced subgraph" is NP-complete. We also settle the complexity of several similar problems.
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