dominating set
a set of vertices in a node-link graph such that every vertex is either in the set or adjacent to it
en-GB/ˈdɒmɪneɪtɪŋ ˈsɛt/
en-US/ˈdɑməˌneɪdɪŋ ˈsɛt/
a set of vertices in a node-link graph such that every vertex is either in the set or adjacent to it