Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators
<!--[if !mso]> <mce:style><! v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} --> <!--[endif] --> <p>This paper is devoted to the investigation of the stability of the Weyl ess...
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Format: | Article |
Language: | English |
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Etamaths Publishing
2015-11-01
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Series: | International Journal of Analysis and Applications |
Online Access: | http://www.etamaths.com/index.php/ijaa/article/view/600 |
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author | Leila Mebarki Mohammed Benharrat Bekkai Messirdi |
author_facet | Leila Mebarki Mohammed Benharrat Bekkai Messirdi |
author_sort | Leila Mebarki |
collection | DOAJ |
description | <!--[if !mso]> <mce:style><! v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} --> <!--[endif] --> <p>This paper is devoted to the investigation of the stability of the Weyl essential spectrum of closed densely dened linear operator A subjected to additive perturbation K such that (lambda-A-K)^{-1}K or K(lambda-A-K)^{-1} is a quasi-compact operator. The obtained results are used to describe the Weyl essential spectrum of singular neutron transport operator.</p> |
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format | Article |
id | doaj.art-2d5c56afc81f4af09d0107a5eb9e7fae |
institution | Directory Open Access Journal |
issn | 2291-8639 |
language | English |
last_indexed | 2024-12-13T02:33:31Z |
publishDate | 2015-11-01 |
publisher | Etamaths Publishing |
record_format | Article |
series | International Journal of Analysis and Applications |
spelling | doaj.art-2d5c56afc81f4af09d0107a5eb9e7fae2022-12-22T00:02:26ZengEtamaths PublishingInternational Journal of Analysis and Applications2291-86392015-11-01928389146Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport OperatorsLeila Mebarki0Mohammed Benharrat1Bekkai Messirdi2University of Oran1, Laboratory of Pure and Applied Mathematics of OranNational Polytechnic school of Oran, Laboratory of Pure and Applied Mathematics of OranUniversity of Oran 1, Laboratory of Pure and Applied Mathematics of Oran<!--[if !mso]> <mce:style><! v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} --> <!--[endif] --> <p>This paper is devoted to the investigation of the stability of the Weyl essential spectrum of closed densely dened linear operator A subjected to additive perturbation K such that (lambda-A-K)^{-1}K or K(lambda-A-K)^{-1} is a quasi-compact operator. The obtained results are used to describe the Weyl essential spectrum of singular neutron transport operator.</p>http://www.etamaths.com/index.php/ijaa/article/view/600 |
spellingShingle | Leila Mebarki Mohammed Benharrat Bekkai Messirdi Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators International Journal of Analysis and Applications |
title | Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators |
title_full | Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators |
title_fullStr | Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators |
title_full_unstemmed | Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators |
title_short | Quasi-Compact Perturbations of the Weyl Essential Spectrum and Application to Singular Transport Operators |
title_sort | quasi compact perturbations of the weyl essential spectrum and application to singular transport operators |
url | http://www.etamaths.com/index.php/ijaa/article/view/600 |
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