The Binding Number of a Graph

The binding number of a graph is an important characteristic quantity of agraph.In1973 Woodall first introduced the concept of the binding number ofa graph and then gave the binding number of some special graphs in[1].In1981 Kane,Mohanty and Hales gave the binding number of some product graphsin[2].Wang Jianfang,Tian Songlin,Liu Ziuqiang(1983-1987)gave the bin-ding number of some multi-product graphs,and it is the limit character.Up to