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Acta Mathematica Universitatis Comenianae(1)
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On new strong versions of Browder type theorems
ArticleAbstract: An operator T acting on a Banach space X satisfies the property (UWπ) if σa(T)\σSF-+ (T) = π (T), whPalabras claves:Browder's theorem, Property (UWΠ), Property (VΠ), Property (WΠ), Semi-Fredholm operatorAutores:Carpintero C., Garcia O., José E. Sanabria, Rodríguez J., Rosas E.Fuentes:scopusOn strong variations of weyl type theorems
ArticleAbstract: An operator T acting on a Banach space X satisfies the property (UWE) if (Formula Presented), wherePalabras claves:Property (UWE), Property (VE), Property (WE), Semi-Fredholm operator, Weyl's theoremAutores:Carpintero C., Garcia O., José E. Sanabria, Rosas E., Vasquez L.Fuentes:scopusStrong variations of Weyl and Browder type theorems for direct sums and restrictions
ArticleAbstract: In this paper, we study the stability under direct sums and restrictions of some strong variations oPalabras claves:Direct sums, Property (V ) E, Restrictions, Semi-Fredholm operatorAutores:Carpintero C., Garcia O., José E. Sanabria, Rosas E., Vasquez L.Fuentes:scopus