摘要
讨论了4—星图st(a,k,k,i),st(a,k,k,2),st(9a,k,3,1)的Skolem优美性,并给出其优美标号.
In this paper the Skolem gracefulness of 4-star graph st(a ,k,k,1), st( a,k ,k,2)st(a ,k,3,l)is discussed.and their grace label is offered.
出处
《张家口师专学报》
2000年第3期69-71,共3页
Journal of Zhangjiakou Teachers College
关键词
4-星图
Skolem
优美标记
hrace label
Skolem grace label
k-star graph st( a1, a2, ..., ak)