非空图G的约束数b(G)是指使得图G的控制数γ(G)增大而删除的最少的边数.[Fischermann M,Rautenbach D,Volkmann L.Remarks on the bondage number of planar graphs.Discrete Math,2003,260:57-67]已经证明,对于一个围长为g(G)的平面图G...
Foundation item: the National Natural Science Foundation of China (No. 10671191); Anhui Provincial Educa- tion Department (No. 2005jk1141).
The(d,k)-dominating number is a new measure to characterize reliability of resource- sharing in fault tolerant networks.This paper obtains that the(n,2n)-dominating number of the n-dimensional undirected toroidal mesh...