On the r-Dynamic Chromatic Number of Corona Product of Star Graph

Arika Indah Kristiana, Mohammad Imam Utoyo, Dafik Dafik, Ridho Alfarisi, Eko Waluyo

Research output: Contribution to journalArticlepeer-review

Abstract

A proper k coloring of graph G such that the neighbors of any vertex v ∈ V (G) where at least min{r, d(v)} different colors is defined an r-dynamic coloring. The minimum k such that graph G has an r-dynamic k coloring is defined the r-dynamic chromatic number, denoted by χr(G). In this paper, we study the r-dynamic chromatic number of corona product of star graph.

Original languageEnglish
Pages (from-to)1389-1397
Number of pages9
JournalThai Journal of Mathematics
Volume20
Issue number3
Publication statusPublished - 2022

Keywords

  • corona product
  • r-dynamic chromatic number
  • star graph

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