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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Format: | Article |
Language: | Spanish |
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Universidad Nacional de Trujillo
2019-07-01
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Series: | Selecciones Matemáticas |
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Online Access: | http://revistas.unitru.edu.pe/index.php/SSMM/article/view/2440 |