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On Drazin invertibility
Authors:Pietro Aiena  Maria T Biondi  Carlos Carpintero
Institution:Dipartimento di Metodi e Modelli Matematici, Facoltà di Ingegneria, Università di Palermo, Viale delle Scienze, I-90128 Palermo, Italy ; Departamento de Matemáticas, Facultad de Ciencias, Universidad UCLA de Barquisimeto, Venezuela ; Departamento de Matemáticas, Facultad de Ciencias, Universidad de Oriente, Cumaná, Venezuela
Abstract:The left Drazin spectrum and the Drazin spectrum coincide with the upper semi-$ B$-Browder spectrum and the $ B$-Browder spectrum, respectively. We also prove that some spectra coincide whenever $ T$ or $ T^\ast$ satisfies the single-valued extension property.

Keywords:Localized SVEP  $B$-Browder operators  Drazin invertibility
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