PERTURBATION BY INESSENTIAL AND RIESZ ELEMENTS

DOI10.1080/16073606.1989.9632195zbMath0705.46022OpenAlexW2040884050MaRDI QIDQ3485455

L. Groenewald, Heinrich Raubenheimer, Robin E. Harte

Publication date: 1989

Published in: Quaestiones Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/16073606.1989.9632195

zbMATH Keywords

perturbationsexponential spectruminessential elementRiesz elementsinessential two sided ideal

Mathematics Subject Classification ID

General theory of topological algebras (46H05) Ideals and subalgebras (46H10)

Related Items (6)

Spectral properties of elements in different Banach algebras ⋮ FREDHOLM THEORY RELATIVE TO TWO BANACH ALGEBRA HOMOMORPHISMS ⋮ On the punctured neighbourhood theorem ⋮ Different exponential spectra in Banach algebras ⋮ A note on Aupetit's perturbation theorem ⋮ Generalized spectral perturbation and the boundary spectrum

Cites Work

• Fredholm theory relative to a Banach algebra homomorphism
• Inessential Elements in Banach Algebras
• A NOTE ON THE SINGULAR AND EXPONENTIAL SPECTRUM IN BANACH ALGEBRAS
• Unnamed Item

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