A sufficient condition for graphs with large neighborhood unions to be traceable

被引:4
|
作者
Ren, SJ [1 ]
机构
[1] KESHAN TEACHERS COLL,DEPT MATH,HEILONGJIANG 161601,PEOPLES R CHINA
关键词
D O I
10.1016/0012-365X(95)00230-T
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove that a 2-connected graph G of order p is traceable if /N(u)boolean OR N(v)/+ /N(w)boolean OR N(x)/greater than or equal to p-1 for all 4-tuples {u, v, w, x} with d(u, v)=d(w, x)=2(u, v, w,x are distinct vertices of G). In addition, we give a short proof of Lindquester's conjecture.
引用
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页码:229 / 234
页数:6
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