Neighbour of a vertex
= Neighbour of a vertex
= Neighbours of a vertex
{synonym}
A neighbour of a <vertex> $v$ in a <graph> is a <vertex> joined to $v$ by an <edge>. These <vertices> form the <graph neighbourhood> $N(v)$.
= Neighbour of a vertex
= Neighbours of a vertex
{synonym}
A neighbour of a <vertex> $v$ in a <graph> is a <vertex> joined to $v$ by an <edge>. These <vertices> form the <graph neighbourhood> $N(v)$.