| 圈长为3的k圈图laplacian矩阵谱的界 |
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| 引用本文： | 闫瑞华,许三星.圈长为3的k圈图laplacian矩阵谱的界[J].雁北师范学院学报,2007,23(2):11-12,23. |
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| 作者姓名： | 闫瑞华 许三星 |
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| 作者单位： | 北京科技大学数学系,北京100083 |
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| 摘 要： | 设G为n阶的连通k（k≥3）圈图，λ1（G）是图G的laplacian矩阵的最大特征值．本文讨论了圈长为3的k圈图的最大特征值与其预点数及各顶点的悬挂边个数之间的关系．
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| 关 键 词： | 圈长为3的k圈图 laplacian矩阵 最大特征值 上下界 |
| 文章编号： | 1674-0874（2007）02-0011-02 |
| 收稿时间： | 2007-09-10 |
Bounds of the Laplacian Spectrum of the K Cycle Graphs of Length 3 |
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| YAN Rui-hua,XU San-xing.Bounds of the Laplacian Spectrum of the K Cycle Graphs of Length 3[J].Journal of Yanbei Teachers College,2007,23(2):11-12,23. |
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| Authors: | YAN Rui-hua XU San-xing |
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| Abstract: | This article discusses the maximum eigenvalue, the number of vertexes, and the relationship between the vertex numbers and the number of their sides, of the k cycle graphs of length 3. |
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| Keywords: | k cycle graphs of length 3 Laplacian Matrix maximum eigenvalue upper and lower bound |
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