| 一类树的化学指标极值的构造性证明 |
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| 引用本文： | 肖玉兰.一类树的化学指标极值的构造性证明[J].青海师范大学学报(自然科学版),2010,26(4). |
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| 作者姓名： | 肖玉兰 |
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| 作者单位： | 青海师范大学; |
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| 摘 要： | 具有r个悬挂点的树称为r叶树.文章研究了具有n个顶点的4叶树的Merrifield-Simmons指标值,并用构造的方法刻画了具有最小Merrifield-Simmons指标的4叶树.
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| 关 键 词： | Merrifield-Simmons指标 r叶树 极值 |
The consruction of extremal of chemical index of a class of tree |
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| XIAO Yu-lan.The consruction of extremal of chemical index of a class of tree[J].Journal of Qinghai Normal University(Natural Science Edition),2010,26(4). |
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| Authors: | XIAO Yu-lan |
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| Affiliation: | XIAO Yu-lan(Qinghai Normal University,Xining 810008,China) |
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| Abstract: | A Tree T is called a r-leaf-tree if T has r pendent vertices.In this paper,we research Merrifield-Simmon index of 4-leaf-trees with order n and characterized the 4-leaf-trees with the minimal Merrifield-Simmon index by of the construction. |
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| Keywords: | merrifield-simmon index r-leaf-tree values |
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