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Generalized Weyl’s theorems for polaroid operators


C. CarpinteroD. MunozE. RosasO. GarciaJ. Sanabria


Abstract

carpathian_2011_27_1_024_033_abstract

In this paper we establish necessary and sufficient conditions on bounded linear operators for which generalized Weyl's theorem, or generalized aa-Weyl theorem, holds. We also consider generalized Weyl's theorems in the framework of polaroid operators and obtain improvements of some results recently established in [20] and [29].

Additional Information

Author(s)

Carpintero C., Garcia O., Munoz D., Rosas E., Sanabria J.