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B-Browder spectra and localized SVEP
ArticleAbstract: In this paper we study the relationships between the B-Browder spectra and some other spectra originPalabras claves:B-Fredholm theory, Localized SVEP, semi B-Browder spectraAutores:Carpintero C., Garcia O., José E. Sanabria, Rosas E.Fuentes:scopusContra-continuous functions defined through Λ<inf>I</inf>-closed sets
ArticleAbstract: We introduce some variants of contra-continuity in terms of ΛI-closed sets, namely contra-ΛIcontinuoPalabras claves:Function -continuous function I, Ideal, Local function, Λ -closed set-continuous I, Λ -set IAutores:Carpintero C., Granados C., José E. Sanabria, Rosas E.Fuentes:scopusGeneralized Weyl's theorems for polaroid operators
ArticleAbstract: In this paper we establish necessary and sufficient conditions on bounded linear operators for whichPalabras claves:Generalized Weyl's theorems, Polaroid operators, Semi B-Fredholm operatorAutores:Carpintero C., Garcia O., José E. Sanabria, Muñoz D., Rosas E.Fuentes:scopusSpaces α-sg-T <inf>i</inf>, i = 0, 1, 2, 3
ArticleAbstract: Let (X,τ) be a topological space and α be a monotone operator-associated with τ. A subset A of X isPalabras claves:Generalized α Semi closure, Generalized α Semi interior, α Semi Kernel, α sg-regularAutores:Carpintero C., Jorge E. Vielma, Rosas E.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:scopusThe further unified theory for modifications of λ-closed sets and gΛ-sets using minimal structures
ArticleAbstract: We introduce and study two new notions of sets called (Λ, mn)-closed sets and gΛ mn-sets, which arePalabras claves:(Λ, mn)-closed, gΛ -set mn, m-structure, mng-closedAutores:Carpintero C., José E. Sanabria, 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:scopusWeyl Type Theorems and Restrictions
ArticleAbstract: In this paper we show that for a bounded linear operator T∈L(X) acting on a Banach space X, the studPalabras claves:47A11, 47A55, Primary 47A10, Secondary 47A53Autores:Carpintero C., Garcia O., José E. Sanabria, Muñoz D., Rosas E.Fuentes:scopusOn contra Λ<sup>s</sup>i-continuous functions and their applications
ArticleAbstract: In this work, we introduce and study the classes of contra ΛsI-continuous, contra quasi-ΛsI-continuoPalabras claves:Ideal, Semi-I-open setAutores:Carpintero C., Granados C., José E. Sanabria, Rosas E.Fuentes:scopusOn generalized property (v) for bounded linear operators
ArticleAbstract: An operator T acting on a Banach space X has property (gw) if σa(T) \ σSBF-+ (T) = E(T), where σa(T)Palabras claves:Generalized weyl's theorem, Property (gv), Property (v), Semi-BFredholm operator.Autores:Carpintero C., Garcia O., José E. Sanabria, Rosas E.Fuentes:scopus