Clique separator

Clique separator --- кликовый сепаратор.

In a connected graph [math]\displaystyle{ G }[/math], [math]\displaystyle{ S \subseteq V }[/math] is called a clique separator if [math]\displaystyle{ S }[/math] is a separator and [math]\displaystyle{ \langle S \rangle }[/math] is a clique.