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Further 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: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:scopusA 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 new approach of soft rough sets and a medical application for the diagnosis of Coronavirus disease
ArticleAbstract: Rough set and soft set theories presents the mathematical foundations for studying decision making pPalabras claves:Decision Making, Information System, soft pre-rough sets, soft rough sets, Soft setsAutores:Abad F., José E. Sanabria, Rojo K.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:scopusA note on preservation of spectra for two given operators
ArticleAbstract: We study the relationships between the spectra derived from Fredholm theory corresponding to two givPalabras claves:multiplication operator, Restriction of an operator, Semi-Fredholm spectra, Spectral propertyAutores:Carpintero C., Gutiérrez A., José E. Sanabria, Rosas E.Fuentes:scopusA note on strongly δθ-I-continuous functions
ArticleAbstract: In this article, we investigate some properties of strongly δθ-I-continuous functions and other typePalabras claves:Ideals, δ-local function, δθ-I-open setAutores:José E. Sanabria, Lozada-Yavina R., Tormet J.Fuentes:scopusB-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:scopus