On the generalized Kato spectrum

Benharrat, Mohammed; Messirdi, Bekkai

dc.contributor.author	Benharrat, Mohammed
dc.contributor.author	Messirdi, Bekkai
dc.date.accessioned	2019-06-20T09:08:55Z
dc.date.available	2019-06-20T09:08:55Z
dc.date.issued	2011
dc.identifier.uri	http://e-biblio.univ-mosta.dz/handle/123456789/10995
dc.description.abstract	We show that the symmetric difference between the generalized Kato spectrum and the essential spectrum defined in [7] by sec(T) = {l О C ; R(lI-T) is not closed } is at most countable and we also give some relationship between this spectrum and the SVEP theory.	en_US
dc.publisher	Serdica Mathematical Journal	en_US
dc.subject	Semi-regular operators	en_US
dc.subject	Kato type operators	en_US
dc.subject	generalized Kato spectrum	en_US
dc.subject	essen- tial spectrum	en_US
dc.title	On the generalized Kato spectrum	en_US
dc.type	Article	en_US