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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 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: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: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: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: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:scopusS-paracompactness in ideal topological spaces
ArticleAbstract: In this paper, we study the notion of S-paracompact spaces in ideal topological spaces. We provide sPalabras claves:Almost-paracompact, Countably I-compact, I-paracompact, Ideal, Perfect functions, S-paracompact, Semi-openAutores:Carpintero C., Garcia O., José E. Sanabria, Rosas E., Salas-Brown M.Fuentes:scopusPositive definite kernels on the set of integers, stability, some properties and applications
ArticleAbstract: We define and investigate a class of positive definite kernel so called equivalent-kernel.We formulaPalabras claves:Kolgomorov decomposition, multivariate stochastic processes, Positive definite kernels, Toepliz kernelAutores:De La Barrera A., Ferrer O., José E. SanabriaFuentes: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:scopus