摘要
确定了所有n(n≥9)阶四圈图中极大至第八大harmonic指数及对应的极图结构.
In this paper,we determined the first up to eighth maximum harmonic indices of n vertices tetracyclic graphs when n ≥9,and characterized the corresponding structure of extremal graphs.
作者
王宇囝
邵燕灵
WANG Yu-jian;SHAO Yan-ling(School of Science,North University of China,Taiyuan 030051,China)
出处
《云南师范大学学报(自然科学版)》
2018年第3期30-35,共6页
Journal of Yunnan Normal University:Natural Sciences Edition
基金
山西省自然科学基金资助项目(201601D202003)