The Sum of All Distances and the Average Distance Between Two Types of Special Trees
LU Yong-hon · Journal of North University of China · 2013
The definitions of caterpillar,star,banana tree and firecracker are given firstly,and then the sum of all distances and average distance on between banana trees and firecrackers were calculated by using some calculation skills.The sum of all distances and average distance are very important parameters of graph,and they are widely applied in structural chemistry,architecture,communication network,etc.