Mathematica Eterna
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On Difference Cordial Graphs

M. A. Seoud and Shakir M. Salman

In this paper we introduce some results in dierence cordial graphs and the dierence cordial labeling for some families of graphs as: ladder,triangular ladder,grid,step ladder and two sided step ladder graph. Also we discussed some families of graphs which may be dierence cordial or not,such as diagonal ladder and some types of one-point union graphs.