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A Fredholm theory on Krein spaces and its application to Weyl-type theorems and homogeneous equations
ArticleAbstract: In this paper, we review the approach presented by An and Heo on the study of Weyl-type theorems forPalabras claves:Fredholm theory, Homogeneous equation, Krein space, Weyl’s theoremAutores:Buelvas Y.O., José E. Sanabria, Ojito D.P.Fuentes:scopusA note on preservation of generalized fredholm spectra in berkani’s sense
ArticleAbstract: In this paper, we study the relationships between the spectra derived from B-Fredholm theory correspPalabras claves:B-Fredholm theory, Fredholm theory, Generalized spectra, Restrictions of operators, Single-valued extension propertyAutores:Carpintero C., Gutiérrez A., José E. Sanabria, Rosas E.Fuentes:scopusB-fredholm spectra of drazin invertible operators and applications
ArticleAbstract: In this article, we consider Drazin invertible operators for study of the relationship between theirPalabras claves:B-Fredholm spectra, Drazin inverse, Drazin invertible operator, Generalized a-Weyl’s theoremAutores:Elvis Aponte, Jhixon Macías, José E. Sanabria, José SotoFuentes:scopusAlmost contra (I, J)-continuous multifunctions
ArticleAbstract: The purpose of the present paper is to introduce, study and characterize the upper and lower almostPalabras claves:Contra (I, J)-continuous multifunctions, I-regular closed set, I-regular open set, Upper almost contra (I, J)-continuous multifunctions, Weakly (I, J)-continuous multifunctionsAutores:Carpintero C., José E. Sanabria, Rosas E.Fuentes:scopusFurther characterizations of property (Vπ) and some applications
ArticleAbstract: We carry out characterizations with techniques providedby the localspectraltheory ofboundedlinear opPalabras claves:Drazin invertible operator, Property (V ). rr, Semi-Fredholm operator, Serni-Weyl operatorAutores:Elvis Aponte, Jhixon Macías, José E. Sanabria, José SotoFuentes:scopusGENERALIZATION OF SOME TYPES OF DIFFERENCE SEQUENCE SPACE BY I-CONVERGENCE
ArticleAbstract: The purpose of this paper is to use the notions of I-convergence of sequences and a Musielak-OrliczPalabras claves:Difference sequence space, I-convergence, Modulus function, Musielak-orlicz functionAutores:Bermúdez J., José E. Sanabria, Rodríguez 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: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:scopusNew Inequalities On Generalized m-Convexity On Fractal Sets
ArticleAbstract: In this research, we study some algebraic and topological properties of generalized m-convex functioPalabras claves:Convex function, Fractal set, Generalized m-Convex Function, m-Convex FunctionAutores:José E. Sanabria, Sánchez R.V.C., Trousselot E.Fuentes:scopusNew decompositions for the classes of quasi-Fredholm and semi B-Weyl operators
ArticleAbstract: In this paper, we show that if T ϵL(X) is a quasi-Fredholm operator of degree d such that N(Td)+R(T)Palabras claves:decomposition, nilpotent operator, Perturbation, Quasi-Fredholm operatorAutores:Carpintero C., Causil D., Garcia O., José E. SanabriaFuentes:scopus