The nullity of a graph G, denoted by ฮท(G), is the multiplicity of the eigenvalue zero in its spectrum. Cheng and Liu [B. Cheng, B. Liu, On the nullity of graphs, Electron. J. Linear Algebra 16 (2007) 60-67] characterized the extremal graphs attaining the upper bound n -2 and the second upper bound n
โฆ LIBER โฆ
On the nullity of a graph with cut-points
โ Scribed by Shi-Cai Gong; Guang-Hui Xu
- Book ID
- 113772015
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 327 KB
- Volume
- 436
- Category
- Article
- ISSN
- 0024-3795
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The nullity of a graph G, denoted by ฮท(G), is the multiplicity of the eigenvalue zero in its spectrum. The extremal graphs attaining the upper bound n-2 and the second upper bound n-3 have been obtained. In this paper, the graphs with nullity n-4 are characterized. Furthermore the tricyclic graphs
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