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Property (gR) under nilpotent commuting perturbation
ArticleAbstract: The property (gR), introduced in [Aiena, P., Guillen, J. and Peña, P., Property (gR) and perturbatioPalabras claves:Perturbation, Property (gR), Semi B-Fredholm operatorAutores:Carpintero C., Garcia O., José E. Sanabria, Rosas E.Fuentes:scopusOn generalized semi B-Fredholm operators
ArticleAbstract: In this paper we study two new classes of bounded linear operators acting on a Banach space X calledPalabras claves:Generalized semi B-Fredholm operators, Operators with finite-range power, Quasi-Fredholm operator, Saphar operatorAutores:Carpintero C., Ferrer O., Garcia O., José E. SanabriaFuentes:scopusOn 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 property (Saw) and others spectral properties type Weyl-Browder theorems
ArticleAbstract: An operator T acting on a Banach space X satisfies the property (aw) if σ(T) \ σw(T) = Ea(T), wherePalabras claves:A-Weyl's theorem, Property (Sab), Property (Saw), Semi B-Fredholm operatorAutores:Carpintero C., Garcia O., José E. Sanabria, 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:scopusOn the hereditary character of certain spectral properties and some applications
ArticleAbstract: In this paper we study the behavior of certain spectral properties of an operator T on a proper closPalabras claves:Integral operators, Restrictions of operators, semi-Fredholm theory, spectral properties, Weyl type theoremsAutores:Carpintero C., Garcia O., José E. Sanabria, Malaver A., Rosas E.Fuentes:scopusWeighted composition operators between two different weighted sequence spaces
ArticleAbstract: We give simple criteria which characterize the symbols u, ϕ defining continuous and compact weightedPalabras claves:Banach sequence spaces, compactness, weighted composition operatorsAutores:Carpintero C., José E. Sanabria, Ramos-Fernández J.C.Fuentes:scopus