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广义桥图的顶点PI指数和Szeged指数 被引量:3

The Vertex PI Index and Szeged Index of Generalized Bridge Graphs
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摘要 文章给出广义桥图的顶点PI指数和Szeged指数的计算公式,并计算出一些图的PI指数和Szeged指数. The formula of the vertex PI index and Szeged index of generalized bridge graphs are established and the formula of the vertex PI index and Szeged index of some special graphs are given.
机构地区 吕梁学院数学系
出处 《吕梁学院学报》 2013年第2期7-10,共4页 Journal of Lyuiang University
基金 山西省大学生创新性实验项目(CXCYZD201205 2011329) 吕梁学院2012校级自然科学基金项目(ZRXN201208)
关键词 PI指数 Szeged指数 广义桥图 PI index Szeged index generalized bridge graph
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