Geodesic
An Introduction into Fredholm Theory and Generalized Drazin-Riesz Invertible Operators
Zbornik radova, Tome 20 (2022) no. 28, p. 113

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

After a brief introduction into classical Fredholm theory we consider Riesz operators, polynomially Riesz operators, generalized Drazin--Riesz invertible operators, as a generalization of Drazin invertible operators, as well as generalized Kato--Riesz decomposition for bounded linear operators on Banach spaces. Also, some properties of the corresponding spectra are investigated.
Classification : NN-02, 47A53, 47A10
Keywords: Banach space, semi-Fredholm operators, semi-Browder operators, Riesz operators, Kato operators, semi-Weyl operators, approximate point (surjective) spectrum, essential spectra 
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Snežana Č. Živković-Zlatanović. An Introduction into Fredholm Theory and Generalized Drazin-Riesz Invertible Operators. Zbornik radova, Tome 20 (2022) no. 28, p. 113 . http://geodesic.mathdoc.fr/item/ZR_2022_20_28_a3/