• THE (MOD AND INTEGRAL) SUM LABELING OF CERTAIN GRAPHS

R. K. SAMAL*, D. MISHRA

Abstract


This paper establishes that (mod and integral) sum graph labeling for the friendship graph  and also find (optimal, mod and integral) sum number for . Moreover an attempt has been made and also (mod and integral) sum numbers for the ladder graphs , for , the crown graphs  for  and  for  are determined in this paper.


Keywords


The (optimal, mod and integral) sum graph; the sequential numbering method; Recurrence Relation method; Friendship Graph; ladders graph; crowns graph.

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