半正则图的Estrada指数的界The Bound of the Estrada Index of a Semi-regular Graph
张宁,张海霞,杨斌鑫
摘要(Abstract):
Estrada指数是基于图的特征值的重要概念,在数学领域、生物化学和复杂网络等方面均有应用。应用代数学、图论等方法,获得一些特殊类型的图的Estrada指数的界,也得到半正则图的Estrada指数的界。
关键词(KeyWords): Estrada指数;图的特征值;半正则图
基金项目(Foundation): 山西省应用基础研究项目(201801D221020);; 太原科技大学科研启动基金项目(20182004)
作者(Author): 张宁,张海霞,杨斌鑫
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