A note on the stability of linear conbinations of algebraic operators

• Autores: Isabelle Chalendar, Emmanuel Fricain, Dan Timotin
• Localización: Extracta mathematicae, ISSN-e 0213-8743, Vol. 23, Nº 1, 2008, págs. 43-48
• Idioma: inglés
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• Resumen

  • The main purpose of this note is to characterize all the algebraic operators S and T having the same minimal polynomial and for which certain spectral properties of linear combinations of S and T do not depend on their coe±cients.