On Drazin invertibility

Aiena, Pietro; Biondi, Maria; Carpintero, Carlos

doi:10.1090/S0002-9939-08-09138-7

On Drazin invertibility
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by Pietro Aiena, Maria T. Biondi and Carlos Carpintero PDF

Proc. Amer. Math. Soc. 136 (2008), 2839-2848 Request permission

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.

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