%0 Journal Article %T On the Set of 2 - Common Consequent of Primitive Digraphs with Exact <i>d</i> Vertices Having Loop %A Xiaogen Chen %J Applied Mathematics %P 1959-1962 %@ 2152-7393 %D 2012 %I Scientific Research Publishing %R 10.4236/am.2012.312268 %X Let d and n are positive integers, n¡Ý2,1¡Üd¡Ü 2.In this paper we obtain that the set of the 2 - common consequent of primitive digraphs of order n with exact d vertices having loop is{1,2,¡­, n-[]}. %K Boolean Matrix %K Common Consequent %K Primitive Digraph %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=25592