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.
机构:
Qufu Normal Univ, Sch Management, Rizhao 276826, Peoples R ChinaQufu Normal Univ, Sch Management, Rizhao 276826, Peoples R China
Cai, Junqing
Li, Hao
论文数: 0引用数: 0
h-index: 0
机构:
CNRS, LRI, UMR 8623, F-91405 Orsay, France
Univ Paris 11, F-91405 Orsay, France
Jianghan Univ, Inst Interdisciplinary Res, Wuhan, Peoples R ChinaQufu Normal Univ, Sch Management, Rizhao 276826, Peoples R China
机构:
School of Management, Qufu Normal University, Rizhao,276826, ChinaSchool of Management, Qufu Normal University, Rizhao,276826, China
Cai, Junqing
Li, Hao
论文数: 0引用数: 0
h-index: 0
机构:
L.R.I, UMR 8623, Université Paris-Sud 11, Orsay,F-91405, France
Institute for Interdisciplinary Research, Jianghan University, Wuhan, ChinaSchool of Management, Qufu Normal University, Rizhao,276826, China