Group mean cordial labeling of some splitting graphs
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https://doi.org/10.26637/MJM0804/0181Abstract
Let GG be a (p,q)(p,q) graph and let AA be a group. Let f:V(G)⟶Af:V(G)⟶A be a map. For each edge uvuv assign the label ⌊o(f(u))+o(f(v))2∣⌊o(f(u))+o(f(v))2∣. Here o(f(u))o(f(u)) denotes the order of f(u)f(u) as an element of the group AA. Let I be the set of all integers that are labels of the edges of G. f is called a group mean cordial labeling if the following conditions hold:
(1) For x,y∈A,|vf(x)−vf(y)|≤1, where vf(x) is the number of vertices labeled with x.
(2) For i,j∈I,|ef(i)−ef(j)|≤1, where ef(i) denote the number of edges labeled with i.
A graph with a group mean cordial labeling is called a group mean cordial graph. In this paper, we take A as the group of fourth roots of unity and prove that,the splitting graphs of Path (Pn),Cycle(Cn),Comb(Pn⊙K1) and Complete Bipartite graph ( Kn,n when n is even ) are group mean cordial graphs. Also we characterized the group mean cordial labeling of the splitting graph of K1,n.
Keywords:
Cordial labeling, mean labeling, group mean cordial labelingMathematics Subject Classification:
Mathematics- Pages: 2352-2355
- Date Published: 01-10-2020
- Vol. 8 No. 04 (2020): Malaya Journal of Matematik (MJM)
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