给出了有向奇优美图的定义并讨论了直径较小的、特殊图类的有向图的奇优美标号,得到了一些相关结论和猜想.
Given the definition of odd-graceful labeling about digraphs and studied some odd-graceful labeling of digraphs with smaller diameter and special classes of graceful,and obtained some conclusions and conjectures.