The trees on n ≥ 9 vertices with the first to seventeenth greatest Wiener indices are chemical trees
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作者:
Deng, Han-Yuan
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Hunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R ChinaHunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China
Deng, Han-Yuan
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机构:
[1] Hunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China
The Wiener index W is the sum of distances between all pairs of vertices of a connected graph. An order relation of trees is obtained with regard to the Wiener index. Based on this order relation, we determine the trees on n >= 9 vertices with the first to seventeenth greatest Wiener indices, and they are chemical trees.
机构:
S China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R China
Xing, Rundan
Zhou, Bo
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S China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R China
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Hunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R ChinaHunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China
机构:
S China Normal Univ, Sch Mathemat Sci, Guangzhou 510631, Guangdong, Peoples R China
S China Agr Univ, Dept Appl Math, Guangzhou 510642, Guangdong, Peoples R ChinaS China Normal Univ, Sch Mathemat Sci, Guangzhou 510631, Guangdong, Peoples R China
Liu, Muhuo
Liu, Bolian
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S China Normal Univ, Sch Mathemat Sci, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Mathemat Sci, Guangzhou 510631, Guangdong, Peoples R China
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Shahid Rajaee Teacher Training Univ, Fac Sci, Dept Math, Tehran 16785163, IranShahid Rajaee Teacher Training Univ, Fac Sci, Dept Math, Tehran 16785163, Iran
Ghorbani, Modjtaba
Vaziri, Zahra
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Shahid Rajaee Teacher Training Univ, Fac Sci, Dept Math, Tehran 16785163, IranShahid Rajaee Teacher Training Univ, Fac Sci, Dept Math, Tehran 16785163, Iran