Abstract
We present another elementary proof of the theorem of Alfred Bauer from 1952 on eigenvalue perturbation.
Keywords: Brauer's theorem; perturbation; eigenvalues and eigenvectors.
DOI: 10.57016/TM-KBUI6835
Pages: 54$-$55
Volume XXVI , Issue 1 , 2023
Published by Društvo matematičara Srbije Kneza Mihaila 35/IV, P.O.B. 355, 11000 Belgrade, Serbia E-mail: drustvomatematicara(at)yahoo.com Fax: +381 11 3036 819 ISSN 2406-1077 (Online), ISSN 1451-4966 (Print)