| The Signless Laplacian Spectral Radius of Tricyclic Graphs with k Pendant Vertices |
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| 基金项目： | Supported by the National Natural Science Foundation of China(Grant Nos.10871204;61170311);the Fundamental Research Funds for the Central Universities(Grant No.09CX04003A) |
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| 摘 要： | In this paper,we determine the unique graph with the largest signless Laplacian spectral radius among all the tricyclic graphs with n vertices and k pendant vertices.
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| 关 键 词： | signless Laplacian spectral radius tricyclic graph pendant vertex. |
The Signless Laplacian Spectral Radius of Tricyclic Graphs with κ Pendant Vertices |
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| Authors: | Jingming ZHANG Jiming GUO |
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| Affiliation: | 1. School of Mathematical Sciences, University of Electronic Science and Technology of China,Sichuan 611731, P. R. China;College of Mathematics and Computational Science, China University of Petroleum,Shandong 257061, P. R. China
2. College of Mathematics and Computational Science, China University of Petroleum,Shandong 257061, P. R. China |
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| Abstract: | In this paper,we determine the unique graph with the largest signless Laplacian spectral radius among all the tricyclic graphs with n vertices and k pendant vertices. |
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| Keywords: | signless Laplacian spectral radius tricyclic graph pendant vertex |
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