scientific article; zbMATH DE number 6914895
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Publication:4578291
Makrem Salhi, Bilel Krichen, Aref Jeribi
Publication date: 8 August 2018
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Measures of noncompactness and condensing mappings, (K)-set contractions, etc. (47H08)
Related Items (8)
Spectral properties involving generalized weakly demicompact operators ⋮ Demicompactness properties for uniformly continuous cosine families ⋮ Spectral properties for generalized weakly S-demicompact operators ⋮ Stability of relative essential spectra of the transport operator in \(L^1\)-space by means of measures of noncompactness and relative weak demicompactness ⋮ Demicompactness perturbation in Banach algebras and some stability results ⋮ \(B\)-Weyl and Drazin invertible operators linked by weak pseudo \(S_0\)-demicompactness ⋮ Relative \(\varepsilon\)-pseudo weak demicompactness and measures of weak noncompactness ⋮ Uniformly continuous cosine families properties around weak demicompactness concept
Cites Work
- On the perturbation theory for Fredholm operators
- Closed Fredholm and semi-Fredholm operators, essential spectra and perturbations
- Relative essential spectra involving relative demicompact unbounded linear operators
- Construction of fixed points of demicompact mappings in Hilbert space
- Remarks on condensing and \(k\)-set-contractive mappings
- Demicompact linear operators, essential spectrum and some perturbation results
- The Essential Norm of an Operator and its Adjoint
- Measures of Noncompactness and Upper Semi-Fredholm Perturbation Theorems
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