Research on Gracefulness of the (1,2a,2a+1)-Corona of Cycle C_3
LI Yong-qiu · Journal of Henan Institute of Education · 2010
A definition is given to the(r1,r2,…,rn)-corona of cycle Cn. The gracefulness of the(1,2a,2a+1)-corona of cycle C3 is discussed.The graceful labeling of the(1,2a,2a+1)-corona of cycle C3 is given by a constructive method.