摘要
众所周知 ,星S3=K1,3是一个无有限niche数的图 .而本文的研究证明 :S3与许多图类的并图都是有有限niche数的图 .
It is common knowledge that the star S 3=K 1,3 is the graph which has no finite niche number.Nevertheless,the research in this paper shows that unions of S 3 and many graph classes are the graphs with finite niche numbers.
出处
《四川师范学院学报（自然科学版）》
2001年第3期230-233,共4页
Journal of Sichuan Teachers College(Natural Science)
