Emergent Mind
l-path vertex cover is easier than l-hitting set for small l
(1906.10523)
Published Jun 22, 2019
in
cs.DS
Abstract
In the $l$-path vertex cover problem the input is an undirected graph $G$ and an integer $k$. The goal is to decide whether there is a set of vertices $S$ of size at most $k$ such that $G-S$ does not contain a path with $l$ vertices. In this paper we give parameterized algorithms for $l$-path vertex cover for $l = 5,6,7$, whose time complexities are $O*(3.945k)$, $O*(4.947k)$, and $O*(5.951k)$, respectively.
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