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Extending of Edge Even Graceful Labeling of Graphs to Strong r -Edge Even Graceful Labeling
2021
Journal of Mathematics
Edge even graceful labeling of a graph G with p vertices and q edges is a bijective f from the set of edge E G to the set of positive integers 2,4 , ... , 2 q such that all the vertex labels f ∗ V G , given by f ∗ u = ∑ u v ∈ E G f u v mod 2 k , where k = max p , q , are pairwise distinct. There are many graphs that do not have edge even graceful labeling, so in this paper, we have extended the definition of edge even graceful labeling to r -edge even graceful labeling and strong r -edge even
doi:10.1155/2021/6643173
fatcat:7yqlffq2qvfjdn5hgfjpawobou