ABSTRACT In this paper we prove that the join of two path graphs, two cycle graphs, Ladder graph and the tensor product are H2-cordial labeling. Further we prove that the join of two wheel graphs Wn and Wm, (mod 4) admits a H-cordial labeling.
Cite this paper
F. Selvanayagom and R. Chellathurai, "H- and H2-Cordial Labeling of Some Graphs," Open Journal of Discrete Mathematics, Vol. 2 No. 4, 2012, pp. 149-155. doi: 10.4236/ojdm.2012.24030.
 I. Cahit, “H-Cordial Graphs,” Bulletin of the Institute of Combinatorics and Its Applications, Vol. 18, 1996, pp. 87-101.
 M. Ghebleh and R. Khoeilar, “A Note on ‘H-Cordial Graphs,’” Bulletin of the Institute of Combinatorics and Its Applications, Vol. 31, 2001, pp. 60-68.
 J. A. Gallian, “A Dynamic Survey of Graph Labeling,” The Electronics Journal of Combinations, Vol. 17, 2010, #DS6.
 D. B. West, “Introduction to Graph Theory,” Prentice-Hall of India Pvt. Ltd., Delhi, 2001.