研究了图G∪T□K1的优美性,其中G是满足一定条件的交错图,T是优美树,T□K1是优美树T中优美值为1的顶点粘接一条悬挂边所形成的树;构造了一类新优美图;推广了已有的结果.
The article does the research on the gracefulness of G∪T□K1, constructed a new class of graceful graphs,and to promote the results of the literature.