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International Journal of Mathematics Trends and Technology

Research Article | Open Access | Download PDF

Volume 54 | Number 6 | Year 2018 | Article Id. IJMTT-V54P556 | DOI : https://doi.org/10.14445/22315373/IJMTT-V54P556

Radio Antipodal Mean Number of Certain Graphs


D.Antony Xavier, R.C.Thivyarathi
Abstract

Let ๐บ ๐‘‰, ๐ธ be a graph with vertex set ๐‘‰ and edge set ๐ธ. Let ๐‘‘ denote the diameter of ๐บ and ๐‘‘ ๐‘ข, ๐‘ฃ denote the distance between the vertices ๐‘ข and ๐‘ฃin ๐บ. In this paper, we introduce a new labeling called radio antipodal mean labeling. An radio antipodal mean labeling of ๐บ is a function ๐‘“ that assigns to each vertex a non-negative integer such that ๐‘“ ๐‘ข โ‰  ๐‘“ ๐‘ฃ if ๐‘‘ ๐‘ข, ๐‘ฃ < ๐‘‘and ๐‘‘ ๐‘ข, ๐‘ฃ + ๐‘“ ๐‘ข +๐‘“(๐‘ฃ) 2 โ‰ฅ ๐‘‘, for any two distinct vertices ๐‘ข, ๐‘ฃ โˆˆ ๐‘‰(๐บ). The radio antipodal mean number of ๐‘“ denoted by ๐‘Ÿ๐‘Ž๐‘š๐‘› ๐‘“ , is the maximum number assigned to any vertex of ๐บ. The radio antipodal mean number of ๐บ, denoted by ๐‘Ÿ๐‘Ž๐‘š๐‘› ๐บ is the minimum value of ๐‘Ÿ๐‘Ž๐‘š๐‘› ๐‘“ taken over all radio antipodal mean labelings ๐‘“ of ๐บ. We determine the antipodal mean number of path, circle, wheel, mesh and enhanced mesh.

Keywords
Labeling, radio antipodal mean numbering, diameter
References

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Citation :

D.Antony Xavier, R.C.Thivyarathi, "Radio Antipodal Mean Number of Certain Graphs," International Journal of Mathematics Trends and Technology (IJMTT), vol. 54, no. 6, pp. 467-470, 2018. Crossref, https://doi.org/10.14445/22315373/IJMTT-V54P556

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