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4-Prime cordiality of some classes of graphs

R. Ponraj; Rajpal Singh; S. Sathish Narayanan; A. M. S. Ramasamy

Volume 48, Issue 1 , December 2016, , Pages 69-79

https://doi.org/10.22059/jac.2016.7941

Abstract
  Let G be a (p, q) graph. Let f : V (G) → {1, 2, . . . , k} be a map. For each edge uv, assign the label gcd (f(u), f(v)). f is called k-prime cordial labeling of G if |vf (i) − vf (j)| ≤ 1, i, j ∈ {1, 2, . . . , k} and |ef (0) − ef (1)| ≤ 1 where vf (x) denotes the number ...  Read More