independence number;
critical graph;
edge coloring;
class one;
class two;
D O I:
10.1016/j.disc.2006.03.040
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In 1968, Vizing conjectured that, if G is a Delta-critical graph with n vertices, then alpha(G) <= n/2, where alpha(G) is the independence number of G. In this note, we verify this conjecture for n <= 2 Delta. (c) 2006 Elsevier B.V. All rights reserved.
机构:
China Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R China
Pang, Shiyou
Miao, Lianying
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Normal Univ, Dept Math, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R China
Miao, Lianying
Song, Wenyao
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R China
Song, Wenyao
Miao, Zhengke
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Normal Univ, Dept Math, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R China
机构:
China Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Sci, Xuzhou 221008, Jiangsu, Peoples R China
机构:
Dalian Univ Technol Dalian, Sch Math Sci, Liaoning 116024, Peoples R ChinaDalian Univ Technol Dalian, Sch Math Sci, Liaoning 116024, Peoples R China
Cao, Yan
Luo, Rong
论文数: 0引用数: 0
h-index: 0
机构:
West Virginia Univ, Dept Math, Morgantown, WV 26505 USADalian Univ Technol Dalian, Sch Math Sci, Liaoning 116024, Peoples R China
Luo, Rong
Miao, Zhengke
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R China
Jiangsu Normal Univ, Res Inst Math Sci, Xuzhou 221116, Jiangsu, Peoples R ChinaDalian Univ Technol Dalian, Sch Math Sci, Liaoning 116024, Peoples R China
Miao, Zhengke
Zhao, Yue
论文数: 0引用数: 0
h-index: 0
机构:
Univ Cent Florida, Dept Math, Orlando, FL 32816 USADalian Univ Technol Dalian, Sch Math Sci, Liaoning 116024, Peoples R China