The previous concept of line graph is generalized, and the concept of line graph over multigraph is proposed.

提出了多重图的线图的概念，研究了多重图的线图连通度的上界和下界。

youdao

The previous concept of line graph is generalized, and the concept of line graph over multigraph is proposed.

提出了多重图的线图的概念，研究了多重图的线图连通度的上界和下界。

youdao