List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok

In this paper, we determine list-chromatic number and characterize chromatically unique of the graph G = Kr2+k. We shall prove that ch(G) = r + 1 if 1<= k<=2, G is x-unique if 1<= k<=3.

Bibliographic Details
Main Author: Le Xuan Hung
Format: Article
Language:Spanish
Published: Universidad Nacional de Trujillo 2019-07-01
Series:Selecciones Matemáticas
Subjects:
Online Access:http://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440