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Abstract In this paper further result on odd mean labeling is discussed. We prove that the two star G = K 1, m ∧ K 1, n is an odd mean graph if and only if | m − n | ≤ 3. The condition for a graph to be odd mean is that p ≤ q + 1, where p and q stands for the number of the vertices and edges in the graph respectively.
Sudhakar et al. (Sun,) studied this question.