共 49 条
A note on Vizing's independence number conjecture of edge chromatic critical graphs
被引:14
|作者:
Luo, Rong
[1
]
Zhao, Yue
机构:
[1] Middle Tennessee State Univ, Dept Math Sci, Murfreesboro, TN 37130 USA
[2] Univ Cent Florida, Dept Math, Orlando, FL 32816 USA
关键词:
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.
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页码:1788 / 1790
页数:3
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