THE TEACHING OF MATHEMATICS

THE TEACHING OF MATHEMATICS
A short and elementary proof of Brauer's theorem
Judith J. McDonald and Pietro Paparella

Abstract

A short and elementary proof is given of a celebrated eigenvalue-perturbation result due to Alfred Brauer.

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Keywords: Brauer's theorem; eigenvalue; eigenvector; rank-one perturbation.

Pages:  85$-$86     

Volume  XXIV ,  Issue  2 ,  2021