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A totally magic cordial labeling of one-point union of n copies of a graph
Author(s) -
P. Jeyanthi,
N. Angel Benseera
Publication year - 2014
Publication title -
opuscula mathematica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.481
H-Index - 16
eISSN - 2300-6919
pISSN - 1232-9274
DOI - 10.7494/opmath.2014.34.1.115
Subject(s) - mathematics , magic (telescope) , combinatorics , graph , discrete mathematics , physics , quantum mechanics
A graph \(G\) is said to have a totally magic cordial (TMC) labeling with constant \(C\) if there exists a mapping \(f: V(G)\cup E(G)\rightarrow \left\{0,1\right\}\) such that \(f(a) + f(b) + f(ab) \equiv C(\mbox{mod 2})\) for all \(ab\in E(G)\) and \(\left|n_f(0)-n_f(1)\right|\leq1\), where \(n_f(i)\) \((i = 0, 1)\) is the sum of the number of vertices and edges with label \(i\). In this paper, we establish the totally magic cordial labeling of one-point union of \(n\)-copies of cycles, complete graphs and wheels

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