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math.RA1999
An infinite analogue of rings with stable rank one
Pere Ara, Gert K. Pedersen, Francesc Perera
Replacing invertibility with quasi-invertibility in Bass' first stable range condition we discover a new class of rings, the QB-rings. These constitute a considerable enlargement o…
math.OA1999
Extremal richness of multiplier and corona algebras of simple C*-algebras with real rank zero
Francesc Perera
In this paper we investigate the extremal richness of the multiplier algebra and the corona algebra , for a simple C*-algebra with real rank zero and stable rank…