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[期刊论文] 作者：DUAN Zhu-rong SHAN Er-fang LI,
来源：上海大学学报：英文版 年份：2009
Let G=(V, E)be a simple graph without isolated vertices. For positive integer κ, a 3-valued function f:V → {-1, 0, 1} is said to be a minus total k-subdominat...
[期刊论文] 作者：DUAN Zhu-rong,SHAN Er-fang,LI,
来源：上海大学学报（英文版） 年份：2004
Let G=(V, E)be a simple graph without isolated vertices. For positive integer κ, a 3-valued function f:V → {-1, 0, 1} is said to be a minus total k-subdominat...
[期刊论文] 作者：DONG Yan-xia,SHAN Er-fang,WU L,
来源：上海大学学报（英文版） 年份：2004
Let G = (V, A) be a digraph. A set T of vertices of G is a twin dominating set of G if for every vertex v ∈ V T. There exist u, ω∈ T (possibly u = ω) such...
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