一个本原有向图的scrambling指数与不可幂定号有向图的基

The Scrambling Index of a Primitive Diagraph and the Base of Non-Powerful Signed Diagraph

对一个含有三个圈且具有两个不同圈长的本原有向图进行研究.通过分析图的特点,运用集合的运算和不等式的运算,给出了此图的scrambling指数及以此图为基础图的不可幂定号有向图的基.

A primitive diagraph with three circles which contains two different length are discussed. By analyzing the characteristics of the diagraph,and by using the operations of the sets and the operations of the inequalities,the scrambling index of this primitive diagraph and the base of non-powerful signed diagraph which is based on such a primitive diagraph are concluded.