摘要
Broersma和Veldman提出了如下的猜想:连通、局部K-连通无爪图G是K-Hamilton图的充分必要条件为G是(K+2)连通的。本文证明了这个猜想是正确的。
Broersma and Veldman published a conjecturc:A connected,lo-cally K -connected K_(1.3)-free graph is K -Hamiltonian if and only if it is (K +2) -connected (K≥1 ). Our paper proved the conjecture is true.
关键词
哈密顿图
连通图
局部K-连通图
Hamiltonian cycle
connected graphs
graph theory
locally K-connected
K_(1.3)-free graph