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dc.contributor.authorIvković, Stefanen
dc.date.accessioned2020-04-27T10:55:14Z-
dc.date.available2020-04-27T10:55:14Z-
dc.date.issued2020-04-01en
dc.identifier.issn1661-8254en
dc.identifier.urihttp://researchrepository.mi.sanu.ac.rs/handle/123456789/873-
dc.description.abstractStarting from the definition of A-Fredholm and semi-A-Fredholm operator on the standard module over a unital C∗ algebra A, introduced in Ivković (Banach J Math Anal 13(4):989–1016, 2019) and Mishchenko and Fomenko (Izv Akad Nauk SSSR Ser Mat 43:831–859, 1979), we construct various generalizations of these operators and obtain several results as an analogue or a generalization of the results in Berkani and Sarih (Glasg Math J 43(3):457–465, 2001. https://doi.org/10.1017/S0017089501030075), Berkani (Proc Am Math Soc 130(6):1717–1723, 2001), Djordjević (Proc Am Math Soc 130(1):81–84, 2001) and Yang (Trans Am Math Soc 216:313–326, 1976). Moreover, we also study non-adjointable semi-A-Fredholm operators as a natural continuation of the work in Irmatov and Mishchenko (J K-Theory 2:329–351, 2008. https://doi.org/10.1017/is008004001jkt034) on non-adjointable A-Fredholm operators and obtain an analogue or a generalization in this setting of the results in Ivković (Banach J Math Anal 13(4):989–1016, 2019; Ann Funct Anal, 2020. https://doi.org/10.1007/43034-019-00034-z).en
dc.publisherSpringer Link-
dc.relation.ispartofComplex Analysis and Operator Theoryen
dc.subjectGeneralized A-Fredholm operator | Generalized A-Weyl operator | Non-adjointable semi-A-Fredholm operator | Semi-A-B-Fredholm operatoren
dc.titleOn Various Generalizations of Semi- A -Fredholm Operatorsen
dc.typeArticleen
dc.identifier.doi10.1007/s11785-020-00995-3en
dc.identifier.scopus2-s2.0-85083385859en
dc.contributor.affiliationMathematical Institute of the Serbian Academy of Sciences and Arts-
dc.relation.issue3en
dc.relation.volume14en
dc.description.rankM22-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeArticle-
item.grantfulltextnone-
item.fulltextNo Fulltext-
crisitem.author.orcid0000-0003-2248-8206-
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