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		题名	作者	年代	出处	被引量
	1	THE RAMSEY NUMBERS R(T_n, W_6) FOR T_N WITHOUT CERTAIN DELETABLE SETS显示文摘Let Tn denote a tree of order n and Wm a wheel of order m+1. In this paper,we determine the Ramsey numbers R(Tn W6) for Tn without certain deletable sets.	CHENYaojun ZHANGYunqing ZHANGKemin	2005	Journal of Systems Science & Complexity2005，18，1：	0
	2	IS γα≤δ FOR GRAPHS WHICH HAVE DIAMETER TWO?显示文摘A subset of S of the vertex set of a graph G is called acyclic if the subgraph it induces in G contains no cycles. S is called an acyclic dominating set of G if it is both acyclic and dominating. The minimum cardinality of an acyclic dominating set, denoted by γα(G), is called the acyclic domination number of G. S. M. Hedetniemi et al. on 2000 introduced the concept of acyclic domination and posed the following open problem: Is γα(G) ≤ δ(G) for any graph whose diameter is two? In this paper, we give a counterexample which disproves the problem.	CHENYaojun ZHANGYunqing ZHANGKemin	2003	Journal of Systems Science & Complexity2003，16，2：	0

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