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B-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: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:scopusOn Semi-Continuous and Clisquish Functions in Generalized Topological Spaces
ArticleAbstract: In this paper, we will focus on three types of functions in a generalized topological space, namely;Palabras claves:Baire space, cliquish function, lower semi-continuous function, nowhere dense, upper semi-continuous functionAutores:Elvis Aponte, ELVIS COROMOTO APONTE VALLADARES, Jhixon Macías, Jhixon Steven Macías García, Krishnan M., Subramanian V.Fuentes:googlescopus