摘要
研究了3-正则Halin图的完美匹配计数问题,给出了3-正则Halin图的完美匹配数的一个递推公式.同时,本文还给出了两类特殊Halin图的完美匹配数下界的计算公式.
In this paper,the problem of counting the number of perfect matchings of a cubic Halin graph is studied. A recurrence formula of calculating the number of perfect matchings of a cubic Halin graph is given. And the counting formulae of the perfect matchings for two special Halin graphs are determined.
出处
《昆明理工大学学报(自然科学版)》
CAS
2015年第5期132-136,共5页
Journal of Kunming University of Science and Technology(Natural Science)
基金
国家自然科学基金项目(11171114)
关键词
HALIN图
完美匹配
完美匹配数
Halin graph
perfect matching
number of perfect matching