Vaidya, S.; Vyas, N.
(Studies in Mathematical Sciences, CSCanada, 2011-11)
We investigate E-cordial labeling for some cartesian product of graphs. We prove that the graphs Kn × P2
and Pn × P2 are E-cordial for n even while Wn × P2 and K1,n × P2 are E-cordial for n odd.