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Acta Mathematica Universitatis Comenianae(1)
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On 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:scopusPerturbation theory for property (V<inf>e</inf>) and tensor product
ArticleAbstract: Given a complex Banach space X, we investigate the stable character of the property (VE ) for a bounPalabras claves:Commuting perturbations, Property (V ) E, Semi-Fredholm operator, tensor productAutores:Elvis Aponte, José E. Sanabria, 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