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All Journal Electronic Journal of Graph Theory and Applications (EJGTA)
Bharanedhar, S.V.
Central University of Tamil Nadu, Thiruvarur, India.
Electrical & Electronics Engineering

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Group vertex magicness of H-join and generalised friendship graph Balamoorthy, S.; Bharanedhar, S.V.
Electronic Journal of Graph Theory and Applications (EJGTA) Vol 12, No 2 (2024): Electronic Journal of Graph Theory and Applications
Publisher : GTA Research Group, Univ. Newcastle, Indonesian Combinatorics Society and ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/ejgta.2024.12.2.11

Abstract

In this paper, we consider A-vertex magic graphs, where A is a non-trivial Abelian group. We characterize Z-vertex magic graphs. We also explore the relation between the A-vertex magicness of a graph G and its reduced graph. In addition, we introduce a new type of labeling called A′-vertex magic labeling of graphs and characterize A-vertex magicness using A′-vertex magicness. We give a new procedure to embed any graph as an induced subgraph of an A-vertex magic graph and we construct infinite families of A-vertex magic graphs both of these procedure uses less number of vertices compared to the one given in (Sabeel et al. in Australas. J. Combin. 85(1) (2023), 49-60) and we also generalize some results proved in this paper. Finally we completely classify generalised friendship graph using A-vertex magicness and group vertex magicness.
Co-Authors Balamoorthy, S.