| Merrifield-Simmons指标在闭区间上的一类树的刻画 |
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| 引用本文： | 晏惠琴. Merrifield-Simmons指标在闭区间上的一类树的刻画[J]. 青海师范大学学报(自然科学版), 2012, 28(3): 7-9 |
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| 作者姓名： | 晏惠琴 |
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| 作者单位： | 青海建筑职业技术学院公共课教学部,青海西宁,810012 |
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| 摘 要： | 具有r个悬挂点的树是r叶树.本文研究了具有n个顶点4叶树的Merrifield-Simmons指标,刻画了18Fn-6＋21Fn-7≤σ（T）≤117Fn-9＋39Fn-11的4叶树及其σ-指标序列.
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| 关 键 词： | Merrifield-Simmons指标 4叶树 序列 |
Merrifield-Simmons indexes in the closed interval, a class of the depict of trees |
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| YAN Hui-qin. Merrifield-Simmons indexes in the closed interval, a class of the depict of trees[J]. Journal of Qinghai Normal University(Natural Science Edition), 2012, 28(3): 7-9 |
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| Authors: | YAN Hui-qin |
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| Affiliation: | YAN Hui-qin(Qinghai Architectural Vocztional and Technical College,Xining 810012,China) |
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| Abstract: | A Tree Tis called a r-leaf-tree if Thas rpendent vertices.In this paper,we studied Merrifield-Simmons index of 4-leaf-tree with order nand depicting the leaves of the tree 18F n-6 +21F n-7 ≤ σ(T) ≤117F n-9 +39F n-11 and its index order. |
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| Keywords: | Merrifield-Simmons index 4-leaf-tree index |
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