On the sum of two largest eigenvalues of a symmetric matrix

Author:

Ebrahimi B Javad,Mohar Bojan,Nikiforov Vladimir,Ahmady Azhvan Sheikh

Publisher

Elsevier BV

Subject

Discrete Mathematics and Combinatorics,Geometry and Topology,Numerical Analysis,Algebra and Number Theory

Reference4 articles.

1. D. Gernert, private communication, see also .

2. Matrix Analysis;Horn,1985

3. B. Mohar, On the sum of k largest eigenvalues of a symmetric matrix, J. Combin. Theory Ser. B, in press.

4. Linear combinations of graph eigenvalues;Nikiforov;Electron. J. Linear Algebra,2006

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