• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2017, Volume: 10, Issue: 25, Pages: 1-5

Original Article

Prime Labeling of Rough Approximations for Some Special Graphs


Background/Objectives: Rough set theory proposed a new mathematical approach to vagueness or imperfect knowledge. It is the learning of approximations of concepts represented by lower and upper approximations which is being attracted by many researchers. The current study is a combination of rough sets approximation and graph labeling. Methods/Analysis: Many researchers have studied prime graph. Here we combine rough approximations with prime labeling under the name of H- prime labeling on graph G. Findings: The current work is to prove that the induced sub graph obtained by the upper approximation of any sub graph H of a friendship graph Fn , bistar graph Bn,n and splitting graph of a star graph ‘S' ’ graph admits prime labeling. The various applications between rough sets and graph labeling are chemical classification, decision analysis, knowledge acquisition, machine learning, job assignment etc.

Keywords: Bistar Graph, Friendship Graph, Lower and Upper Approximation, Prime Labeling, Rough Set, Splitting Graph


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