Author

A. Luiz

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Preprint Aug 2026

On the minimum vertex cover of snarks

A vertex cover of a graph $G$ is a subset of vertices $C \subseteq V(G)$ such that every edge of $G$ is incident to at least one vertex in $C$. The vertex cover number of $G$ is the minimum cardinality of a vertex cover of $G$ and is denoted by $\tau(G)$. A snark is a connected, bridgeless, cubic graph that has an edge...

G. Fernandes, A. Luiz · 0 citations