Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4620098 | Journal of Mathematical Analysis and Applications | 2009 | 8 Pages |
Abstract
Given a Banach algebra A and a∈A, several relations among the Drazin spectrum of a and the Drazin spectra of the multiplication operators La and Ra will be stated. The Banach space operator case will be also examined. Furthermore, a characterization of the Drazin spectrum will be considered.
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