王维凡
professor
Gender : Male
Alma Mater : 南京大学
Education Level : Graduate student graduate
Degree : Doctorate
Status : 退休
School/Department : 数学科学学院
Date of Employment : 2002-05-01
Hits :
First Author : Wang, Yiqiao
Affiliation of Author(s): 数理与信息工程学院
Date of Publication : 2017-01-01
Document Type : 期刊
Journal : ARS COMBINATORIA
Volume: Vol.133
Page Number : 217-231
ISSN : 0381-7032
Translation or Not : no
Key Words : Halin graph;Square;Chromatic number;Maximum degree
Abstract : This article proves that the square of a Halin graph G with Delta = 5 has the chromatic number 6. This gives a positive answer to an open problem in [Y. Wang, Distance two labelling of Halin graphs, Ars Combin. 114 (2014), 331-343].
