变换图的概念由全图推广而来。文章在中图的补图M^-(G)的定义启发下,定义了四类变换图,其中一个恰是M(G),并探讨了这些变换图的独立数。研究了变换图G^*-+的独立数与原图最大度的关系,以及G^-++与G^-+-的独立数与原图边独立数的关系。
Transformation graphs come from the total graph. In this paper, we introduce four kinds of transformation graphs, one of which is the complement of middle graph M (G) and investigate the independence number of these transformation graphs. We study that the independence number of G^* + is associated with maximum degree of G, and the independence number of G^*++ and G^* +- are associated with edge independence number of G.