Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1710562 | Applied Mathematics Letters | 2006 | 5 Pages |
Abstract
An eigenvalue of a graph GG is called a main eigenvalue if it has an eigenvector the sum of whose entries is not equal to zero, and it is well known that a graph has exactly one main eigenvalue if and only if it is regular. In this work, all connected unicyclic graphs with exactly two main eigenvalues are determined.
Related Topics
Physical Sciences and Engineering
Engineering
Computational Mechanics
Authors
Yaoping Hou, Feng Tian,