利用归纳假设方法及图的独立数的一些定理，研究几类图&路、完全二分图、圈、树中的独立约束数及独立加强数。
To study the independence bondage number and independence reinforcement number of some graphs such as paths , complete bipartite graphs , cycles and trees , Induction method and some theorems of independence number were used .
二分圈