3 citations
2 papers
math.GM2018★ 3 cited
On Chromatic Core Subgraph of Simple Graphs
Johan Kok, Sudev Naduvath, M. Jerlin Seles +1
If distinct colours represent distinct technology types that are placed at the vertices of a simple graph in accordance to a minimum proper colouring, a disaster recovery strategy…
math.GM2016
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…