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International Journal of Mathematics Trends and Technology

Research Article | Open Access | Download PDF

Volume 56 | Number 1 | Year 2018 | Article Id. IJMTT-V56P507 | DOI : https://doi.org/10.14445/22315373/IJMTT-V56P507

Support Independence in Graphs


Selvam Avadayappan, M. Bhuvaneshwari, Rajeev Gandhi
Abstract

In any graph G, the support of a vertex is defined as the sum of degrees of its neighbours. A graph G is said to be balanced, if every vertex of G has same support. G is called highly unbalanced when no two vertices of G have same support. In this paper, we introduce the concept of support independence in graphs. A subset S of a vertex set is said to be support independent, if no two vertices in S are having same support. The support independence number of G is the cardinality of maximum support independent set in G. We obtain the support independence number of some standard graphs and derived graphs.

Keywords
Splitting graphs, cosplitting graphs, Support of a vertex, Support independence.
References

1. Selvam Avadayappan and M. Bhuvaneshwari, Cosplitting and coregular graphs, International Journal of Mathematics and Soft Computing, Vol.5, No.1,(2015), 57 -64.
2. Selvam Avadayappan, M. Bhuvaneshwari and R. Iswarya, γ-splitting graphs, International Journal for Research in Applied Science & Engineering Technology, Vol. 4, Issue III, March 2016, 670 – 680.
3. Selvam Avadayappan, M. Bhuvaneshwari and Rajeev Gandhi, Distance in splitting graphs, International Journal of Engineering Sciences and Management Research, 2(12), 50 -54, December 2015.
4. Selvam Avadayappan, M.Bhuvaneshwari and B.Vijaya Lakshmi, β- Splitting graphs, International Journal of Scientific Review and Research in Engineering and Technology, Vol. 1(3), Mar. – Apr. 2016, 84 – 101.
5. Selvam Avadayappan, M.Bhuvaneshwari and R. Sinthu, Support neighbourly irregular graphs, International Journal of Scientific Research and Management , Vol. 4, Issue 3, pp. 4009 – 4014, 2016.
6. Selvam Avadayappan and G. Mahadevan, Highly unbalanced graphs, ANJAC Journal of Sciences, 2(1), 23-27, 2003.
7. R.Balakrishnan and K. Ranganathan, A Text Book of graph Theory, Springer-Verlag, New York, Inc(1999).
8. Sampath Kumar.E, Walikar.H.B, On theSplitting graph of a graph,(1980), J.Karnatak Uni. Sci 25: 13.

Keywords

Citation :

Selvam Avadayappan, M. Bhuvaneshwari, Rajeev Gandhi, "Support Independence in Graphs," International Journal of Mathematics Trends and Technology (IJMTT), vol. 56, no. 1, pp. 50-59, 2018. Crossref, https://doi.org/10.14445/22315373/IJMTT-V56P507

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