考虑了一类特殊的双色有向图,它的未着色图含有n个顶点,且包含一个n圈和两个(n 1)圈,在每个顶点上有环.给出了本原条件和指数上界.
A special two-colored digraphs are considered,whose uncolored digraph has n vertices and consists of one n-cycle and two-cycles.There are loops on every vertex.The primitive conditions and the upper bounds are given.