Browsing Work in progress by Author "Lindeboom L."

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Different exponential spectra in Banach algebras

Lindeboom L.; Raubenheimer H. (1999)

We compare the exponential spectrum of a Banach algebra element with the usual spectrum of the element.
On regularities and Fredholm theory

Lindeboom L.; Raubenheimer H. (2002)

We investigate the relationship between the regularities and the Fredholm theory in a Banach algebra.
Rank and the Drazin inverse in Banach algebras

Brits R.M.; Lindeboom L.; Raubenheimer H. (2006)

Let A be an arbitrary, unital and semisimple Banach algebra with nonzero socle. We investigate the relationship between the spectral rank (defined by B. Aupetit and H. Mouton) and the Drazin index for elements belonging ...

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