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/