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一类特殊图关于Merrifield-Simmons指标和Hosoya指标的排序 被引量:1

Orderings of a class of special graphs with respect to Merrifield-Simmons indices and Hosoya indices
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摘要 Merrifield-Simmons指标和Hosoya指标是化学图论中两个重要的拓扑指标。图的Merrifield-Simmons指标定义为该图中所有独立集数目的和,图的Hosoya指标定义为该图中所有匹配数目的和。研究一类图Gk的Merrifield-Simmons指标和Hosoya指标,根据Cq上两接点u和v之间的距离,给出了该类图Gk关于这两种指标的排序。 Merrifield-Simmons index and Hosoya index are the two valuable topological indices in chemical graph theory. The Merrifield-Simmons index of a graph is defined as the total number of the independ- ent sets of the graph, and the Hosoya index of a graph is defined as the total number of the matches of the graph. The Merrifield-Simmons index and Hosoya index of a class of graphs Ck are investigated. According to the distance between u and v on Cq, their orderings with respect to these two indices are obtained.
出处 《黑龙江大学自然科学学报》 CAS 北大核心 2015年第1期58-62,共5页 Journal of Natural Science of Heilongjiang University
基金 中央高校基本科研业务费专项资金项目(31920140059) 西北民族大学科研创新团队计划资助项目
关键词 MERRIFIELD-SIMMONS指标 HOSOYA指标 排序 Merrifield-Simmons index Hosoya index order
作者简介 田文文(1987-),男,硕士,主要研究方向:图论与组合优化,E-mail:tianwenwen0202@163.com
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参考文献15

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二级参考文献16

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