研究了图G1∪G2⊙K1的优美性,其中G1是满足一定条件的交错图,G2是任一优美图,G2⊙K1是优美图G2中优美值为1的顶点粘接1条悬挂边所形成的图。构造了1类新优美图,推广了已有文献的结果。
The gracefulness of G1∪G2⊙K1 is studied. A new class of graceful graphs is constructed to promote the results of the literature.