The Cordiality of the Complement of a Graph

Xu Liping1, Liu Zhishan2, Li Zhi1
1School of Mathematics, Yangtze University, Jingzhou 434023, P.R.China.
2Yang-En University, Quanzhou, 362014, P.R.China.

Abstract

A necessary and sufficient condition of the complement to be cordial and its application are obtained.