Perturbation Ideals and Fredholm Theory in Banach Algebras

Autores/as

  • Tshikhudo Lukoto Department of Mathematics and Applied Mathematics, Private Bag X1106, University of Limpopo, Sovenga, 0727, South Africa.
  • Heinrich Raubenheimer Department of Mathematics and Applied Mathematics, University of Johannesburg, Auckland Park Campus, South Africa.

DOI:

https://doi.org/10.17398/2605-5686.37.1.91

Palabras clave:

Fredholm elements, Index theory, Perturbation ideals, (semi)regularities, Riesz elements

Resumen

In this paper we characterize perturbation ideals of sets that generate the familiar spectra in Fredholm theory.

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Referencias

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Publicado

2022-06-01

Número

Sección

Operator Theory

Cómo citar

Perturbation Ideals and Fredholm Theory in Banach Algebras. (2022). Extracta Mathematicae, 37(1), 91-110. https://doi.org/10.17398/2605-5686.37.1.91