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The minimum Laplacian spread of unicyclic graphs

✍ Scribed by Zhifu You; Bolian Liu

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
115 KB
Volume
432
Category
Article
ISSN
0024-3795

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The Laplacian spread s(G) of a graph G is defined to be the difference between the largest eigenvalue and the second-smallest eigenvalue of the Laplacian matrix of G. Several upper bounds of Laplacian spread and corresponding extremal graphs are obtained in this paper. Particularly, if G is a conne