关于图U i=1 k ~wni的优美性

摘要

The present paper defines a kind of unconnected graphs of U i=1 k ~wni,Furthermore we have proved that the unconnected graphs of U i=1 k ~wni are graceful ones.%给出了一类非连通图U i=1 k ~wni，并证明这类图是优美图．