Mathematics – Combinatorics
Scientific paper
2011-09-07
European Journal of Combinatorics, 33/4:488--490, 2012
Mathematics
Combinatorics
Scientific paper
10.1016/j.ejc.2011.10.005
We prove that for every graph $G$ with $n$ vertices, the treewidth of $G$
plus the treewidth of the complement of $G$ is at least $n-2$. This bound is
tight.
Joret Gwenaël
Wood David R.
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