有环本原有向图的第 k重上指数

The k th Upper Multiexponent of Primitive Digraphs with Loop

证明了有环 n阶本原有向图的第 k重上指数集为 {1 ,2 ,… ,2 n-k-1 }

It is proved that the k th upper multiexponent set of n th order primitive digraphs with loop is {1,2,…,2n-k-1} .