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
id doaj-ea4aac4dadb24b2e988a4386267c8aa3
record_format Article
spelling doaj-ea4aac4dadb24b2e988a4386267c8aa32020-11-25T02:47:00ZspaUniversidad Nacional de TrujilloSelecciones Matemáticas2411-17832411-17832019-07-0161263010.17268/sel.mat.2019.01.04List-Chromatic Number and Chromatically Unique of the Graph Kr2+OkLe Xuan Hung0HaNoi University for Natural Resources and Environment 41 A, Phu Dien Road, Phu Dien precinct, North Tu Liem district, Hanoi, VietnamIn 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.http://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440Chromatic numberlist-chromatic numberchromatic polinomialchromatically unique graphcomplete r- partite graph
collection DOAJ
language Spanish
format Article
sources DOAJ
author Le Xuan Hung
spellingShingle Le Xuan Hung
List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
Selecciones Matemáticas
Chromatic number
list-chromatic number
chromatic polinomial
chromatically unique graph
complete r- partite graph
author_facet Le Xuan Hung
author_sort Le Xuan Hung
title List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
title_short List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
title_full List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
title_fullStr List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
title_full_unstemmed List-Chromatic Number and Chromatically Unique of the Graph Kr2+Ok
title_sort list-chromatic number and chromatically unique of the graph kr2+ok
publisher Universidad Nacional de Trujillo
series Selecciones Matemáticas
issn 2411-1783
2411-1783
publishDate 2019-07-01
description 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.
topic Chromatic number
list-chromatic number
chromatic polinomial
chromatically unique graph
complete r- partite graph
url http://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440
work_keys_str_mv AT lexuanhung listchromaticnumberandchromaticallyuniqueofthegraphkr2ok
_version_ 1724755341438091264