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Campo DC | Valor | idioma |
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dc.contributor.author | Medková, Dagmar | - |
dc.date.accessioned | 2023-03-09T09:01:31Z | - |
dc.date.available | 2023-03-09T09:01:31Z | - |
dc.date.issued | 2005 | - |
dc.identifier.issn | 0213-8743 | - |
dc.identifier.uri | http://hdl.handle.net/10662/16990 | - |
dc.description.abstract | The following theorem is the main result of the paper: Let X be a complex Banach space and 𝑇 ∈ L(X). Suppose that 0 lies at the unbounded component of the set of those λ such that λI − 𝑇 is a Fredholm operator. Let Y be a dense subspace of the dual space X′ and S be a closed operator from Y to X such that 𝑇 ′( Y ) ⊂ Y and 𝑇 S𝓎 = ST ′𝓎 for each 𝓎 ∈ Y . Then for each vector 𝓍 ∈ X′, 𝑇 ′𝓍 ∈ Y𝓍 if and only if 𝓍 ∈ Y . | es_ES |
dc.description.sponsorship | The paper is supported by the grant no. KSK 1019101. | es_ES |
dc.format.extent | 8 p. | es_ES |
dc.format.mimetype | application/pdf | en_US |
dc.language.iso | eng | es_ES |
dc.publisher | Universidad de Extremadura, Servicio de Publicaciones | es_ES |
dc.rights | Attribution-NonCommercial 4.0 International | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc/4.0/ | * |
dc.subject | Theorem of operator | es_ES |
dc.subject | Teorema de operadores | es_ES |
dc.title | Conditions ensuring T ⎺¹ (Y ) ⊂ Y | es_ES |
dc.type | article | es_ES |
dc.description.version | peerReviewed | es_ES |
europeana.type | TEXT | en_US |
dc.rights.accessRights | openAccess | es_ES |
dc.subject.unesco | 1202.01 Álgebra de Operadores | es_ES |
dc.subject.unesco | 1202.03 Álgebra y Espacios de Banach | es_ES |
europeana.dataProvider | Universidad de Extremadura. España | es_ES |
dc.identifier.bibliographicCitation | MEDKOVÁ, D. (2005). Conditions ensuring T ⎺¹ (Y ) ⊂ Y. Extracta Mathematicae, 20 (1), 43-50. E-ISSN 2605-5686 | es_ES |
dc.type.version | publishedVersion | es_ES |
dc.identifier.publicationtitle | Extracta Mathematicae | es_ES |
dc.identifier.publicationissue | 1 | es_ES |
dc.identifier.publicationfirstpage | 43 | es_ES |
dc.identifier.publicationlastpage | 50 | es_ES |
dc.identifier.publicationvolume | 20 | es_ES |
dc.identifier.e-issn | 2605-5686 | - |
Colección: | Extracta Mathematicae Vol. 20, nº 1 (2005) |
Archivos
Archivo | Descripción | Tamaño | Formato | |
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2605-5686_20_1_43.pdf | 138,53 kB | Adobe PDF | Descargar | |
2605-5686_20_1_43_Abstract.pdf | 66,75 kB | Adobe PDF | Descargar |
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