A fundamental open question in the analysis of social networks was to understand the evolution between similarity and group social ties.In general,two groups ar
In order to solve the problems of scheduling the maintenance units in the battlefield, the dynamic programming method in model construction is used; the composi
Within the scope of dual distribution channel(DDC)modes—ME&T-C and M-T&E-C,a game model designed for channel members was proposed.Based on this game model,the