讨论了非连通图2C 4(3m-1)∪C 8m-1∪G 的优美性,又给出了非连通图2C 4(3m-1)∪C 8m-1∪G 是优美图的5个充分条件。
The author of this paper discusses the gracefulness of the unconnected graph 2C 4(3m-1)∪C 8m-1 ∪G and put forward five sufficient conditions for the gracefulness of the unconnected graph.