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四叶树Hosoya指标的第三小值

The third smallest value of Hosoya index of four-leaf tree
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摘要 用H(a,b11,b12,b21,b22)表示具有n个顶点的四叶树。图G的Hosoya指标定义为G的独立边子集的总数目。本文讨论了四叶树Hosoya指标的第三小值。 Let H(a,b11,b12,b21,b22)denote a Four-leaf tree with n vertices.Graph G is defined as the total number of independent edge set of Hosoya index.In the paper,the third minimal Hosoya index of four-leaf tree is discussed.
作者 苏连存
机构地区 青海大学基础部
出处 《青海大学学报(自然科学版)》 2012年第2期64-67,共4页 Journal of Qinghai University(Natural Science)
关键词 四叶树 HOSOYA指标 极值树 four-leaf tree Hosoya index extreme tree
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