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摘要: 图的 Laplace spread 定义为图的最大 Laplace 特征值与次小 Laplace 特征值之差.利用多项式函数的性质, 得到了具有最大 Laplace spread 的双圈图.
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关键词:
- Laplace 特征值 /
- 双圈图 /
- Laplace spread
Abstract: The Laplacian spread of a graph is defined to be the difference between the largest and the second-smallest Laplacian eigenvalues of the graph. Using properties of polynomial, we characterized the graphs with the maximal Laplacian spread among all bicyclic graphs.-
Key words:
- Laplacian eigenvaluebicyclic graphLaplacian spread /
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