In this paper, in terms of Wiener index, hyper-Wiener index and Harary index, we first give some sufficient conditions f......

设G是一个图.G的顶点u和v的距离是u和v之间最短路的长度.Wiener指数是G中所有无序顶点对之间距离之和,而Hyper-Wiener指数定义为WW......