5 citations · 19 across the 10 of their papers we have counts for
13 papers
Rainbow Neighbourhoods of Graphs
Johan Kok, Naduvath Sudev, Muhammad Kamran Jamil
In this paper, we introduce the notion of the rainbow neighbourhood and a related graph parameter namely, the rainbow neighbourhood number of a graph . We report on preliminary…
A note on chromatic blending of colour clusters
Johan Kok, Naduvath Sudev, Muhammad Kamran Jamil
For a colour cluster $\C =(\mathcal{C}_1,\mathcal{C}_2, \mathcal{C}_3,\dots,\mathcal{C}_\ell)$, is a colour class, and , we investigate…
Certain Chromatic Sums of Some Cycle Related Graph Classes
N. K. Sudev, K. P. Chithra, Johan Kok
Let be a certain type of proper -colouring of a given graph and denote the number of times a particular colour is…
On Chromatic Zagreb Indices of Certain Graphs
Johan Kok, N. K. Sudev, U. Mary
In this paper we introduce a variation of the well-known Zagreb indices by considering a proper vertex colouring of a graph . The chromatic Zagreb indices are defined in terms o…
A Note on the Tattoo Index of Graphs
Johan Kok, Naduvath Sudev
Consider a network of pipes which have to be cleaned using some cleaning agents, called brushes, assigned to some vertices. The tattooing of a simple connected directed graph $…
On Integer Additive Set-Filtered Graphs
N. K. Sudev, K. P. Chithra, K. A. Germina
Let denote the set of all non-negative integers and be its power set. An integer additive set-labeling (IASL) of a graph is an inject…