摘要
文中研究了完全4-部图G=Kn1,n2,n3,n4的特征根,给出了完全4-部图是Q-整图的充分必要条件。
The characteristic solution of a complete 4-partite graph G=Kn1,n2,n3,n4 is studied in this paper and the necessary and sufficient condition of a complete 4-partite graph being a Q-integral graph is given out too.
出处
《青海大学学报(自然科学版)》
2009年第6期46-48,83,共4页
Journal of Qinghai University(Natural Science)