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.
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Universidad Nacional de Trujillo
2019-07-01
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Online Access: | http://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440 |
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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 |
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1724755341438091264 |