| K_(2,r)-单路图谱半径的极限和上界 |
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| 引用本文： | 卢自娟.K_(2,r)-单路图谱半径的极限和上界[J].赣南师范学院学报,2010,31(3):14-17. |
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| 作者姓名： | 卢自娟 |
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| 作者单位： | 克拉玛依职业技术学院基础部,新疆,克拉玛依,833600 |
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| 摘 要： | 研究一种直径趋于无穷大的图类K2,r-单路图,利用图谱理论和高等数学求极限的方法,求得当点数n趋于无穷时,K2,r-单路图的谱半径有极限,并且求出了该极限值.进一步验证了该极限值即为K2,r-单路图的一个上界.
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| 关 键 词： | K2 r-单路图 谱半径 上界 |
The Limit and the Upper Bound for Spectral Radius of K2,r-Single Path-Graphs |
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| LU Zi-juan.The Limit and the Upper Bound for Spectral Radius of K2,r-Single Path-Graphs[J].Journal of Gannan Teachers' College(Social Science(2)),2010,31(3):14-17. |
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| Authors: | LU Zi-juan |
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| Abstract: | In this paper,we investigate K2,r-single path-graph.Using the theroy on spectra of graphs and the way of advanced mathematics'limit,prove that spectral radius of K2,r-single path-graph has limit as n tends to infinite and the limit is a upper bounds its spectral radius. |
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| Keywords: | K2 r-single path-graphs Gn K2 r Spectral radius Upper bound |
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