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Graphs with special neighbourhood orderings of vertices

โœ Scribed by Halina Bielak


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
356 KB
Volume
121
Category
Article
ISSN
0012-365X

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On the nullity of graphs with pendent ve
โœ Shuchao Li ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 188 KB

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