Essential spectra and Drazin invertibility of quasisimilar closed operators
| dc.contributor.author | Messirdi, Bekkai | |
| dc.contributor.author | Djellouli, Ghouti | |
| dc.contributor.author | Azzouz, Abdelhalim | |
| dc.date.accessioned | 2019-06-25T10:11:20Z | |
| dc.date.available | 2019-06-25T10:11:20Z | |
| dc.date.issued | 2018 | |
| dc.description.abstract | The purpose of this paper is to introduce several generalizations of the notion of similarity between closed operators on a Hilbert space, in particular, the notion of quasi-similarity and mutually quasi-similarity. Furthermore, we explore to what extend they preserve spectral properties, Drazin invertibility and hyperinvariant subspaces. | en_US |
| dc.identifier.uri | http://e-biblio.univ-mosta.dz/handle/123456789/11169 | |
| dc.subject | Similarity | en_US |
| dc.subject | quasi-similarity | en_US |
| dc.subject | mutually quasi-similarity | en_US |
| dc.subject | Fredholm spectrums | en_US |
| dc.subject | Drazin invertibility | en_US |
| dc.subject | hyperinvariant subspaces | en_US |
| dc.title | Essential spectra and Drazin invertibility of quasisimilar closed operators | en_US |
| dc.type | Article | en_US |
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