| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4649873 | Discrete Mathematics | 2009 | 6 Pages |
Abstract
Some new upper bounds and lower bounds are obtained for the spread λ1−λnλ1−λn of the eigenvalues λ1≥λ2≥⋯≥λnλ1≥λ2≥⋯≥λn of the adjacency matrix of a simple graph.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Bolian Liu, Liu Mu-huo,