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On graphs whose signless Laplacian index does not exceed 4.5

✍ Scribed by Jianfeng Wang; Qiongxiang Huang; Francesco Belardo; Enzo M. Li Marzi


Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
308 KB
Volume
431
Category
Article
ISSN
0024-3795

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On graphs whose second largest eigenvalu
✍ DragoΕ‘ CvetkoviΔ‡; Slobodan SimiΔ‡ πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 690 KB

It is well known in the theory of graph spectra that connected graphs except for complete multipartite (including complete) graphs have the second largest eigenvalue greater than 0. Graphs whose second largest eigenvalue does not exceed ~ are characterized in . In this paper we study the structure o