Journal of University of Science and Technology of China ›› 2019, Vol. 49 ›› Issue (5): 368-376.DOI: 10.3969/j.issn.0253-2778.2019.05.003

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Maximum Balaban index and sum-Balaban index of cacti

  

  1. FANG Wei, YU Hongjie, GAO Yubin2, JING Guangming3, LI Xiaoxin4
  • Received:2017-06-13 Revised:2018-01-13 Online:2019-05-31 Published:2019-05-31
  • Contact: FANG Wei
  • About author:FANG Wei (corresponding author), male, born in 1986, PhD/ associate Prof. Research field:Graph theory and combinatorics. E-mail: fangw@ahstu.edu.cn

Abstract: The Balaban index and sum-Balaban index were used in various quantitative structure-property relationship and quantitative structure activity relationship studies. Here the upper bounds of Balaban index and sum-Balaban index among all cacti were given and the cacti that attain the bounds were characterized.

Key words: cactus, Balaban index, sum-Balaban index, maximum