Fernández, Julio C. Ramos; Rivera-Sarmiento, María A.; Salas-Brown, Margot The essential norm of bounded diagonal Infinite matrices acting on Banach sequence spaces. (English) Zbl 07813281 Demonstr. Math. 57, Article ID 20230263, 8 p. (2024). MSC: 47B60 46B45 46E30 46B42 PDFBibTeX XMLCite \textit{J. C. R. Fernández} et al., Demonstr. Math. 57, Article ID 20230263, 8 p. (2024; Zbl 07813281) Full Text: DOI OA License
Caicedo, Alexander; Ramos-Fernández, Julio C.; Salas-Brown, Margot On the compactness and the essential norm of operators defined by infinite tridiagonal matrices. (English) Zbl 07695772 Concr. Oper. 10, Article ID 20220143, 8 p. (2023). Reviewer: Ömer Gök (İstanbul) MSC: 47B60 46B45 46E30 46B42 PDFBibTeX XMLCite \textit{A. Caicedo} et al., Concr. Oper. 10, Article ID 20220143, 8 p. (2023; Zbl 07695772) Full Text: DOI
Castillo, René E.; Lemus-Abril, Yesid A.; Ramos-Fernández, Julio C. Essential norm estimates for multiplication operators on \(L_p(\mu)\) spaces. (English) Zbl 1484.47057 Afr. Mat. 32, No. 7-8, 1595-1603 (2021). MSC: 47B38 46E30 46B42 47A30 PDFBibTeX XMLCite \textit{R. E. Castillo} et al., Afr. Mat. 32, No. 7--8, 1595--1603 (2021; Zbl 1484.47057) Full Text: DOI
Ramos-Fernández, Julio C.; Salas-Brown, Margot The essential norm of multiplication operators acting on Orlicz sequence spaces. (English) Zbl 1485.47051 Proyecciones 39, No. 6, 1407-1414 (2020). MSC: 47B37 PDFBibTeX XMLCite \textit{J. C. Ramos-Fernández} and \textit{M. Salas-Brown}, Proyecciones 39, No. 6, 1407--1414 (2020; Zbl 1485.47051) Full Text: DOI
Castillo, René E.; Ramos-Fernández, Julio C.; Salas-Brown, Margot The essential norm of multiplication operators on Lorentz sequence spaces. (English) Zbl 1491.47024 Real Anal. Exch. 41(2015-2016), No. 1, 245-252 (2016). MSC: 47B37 46E30 PDFBibTeX XMLCite \textit{R. E. Castillo} et al., Real Anal. Exch. 41, No. 1, 245--252 (2016; Zbl 1491.47024) Full Text: DOI Euclid
Castillo, René E.; Clahane, Dana D.; Farías-López, Juan F.; Ramos-Fernández, Julio C. Composition operators from logarithmic Bloch spaces to weighted Bloch spaces. (English) Zbl 1304.47030 Appl. Math. Comput. 219, No. 12, 6692-6706 (2013). Reviewer: Oscar Blasco (Valencia) MSC: 47B33 30H30 PDFBibTeX XMLCite \textit{R. E. Castillo} et al., Appl. Math. Comput. 219, No. 12, 6692--6706 (2013; Zbl 1304.47030) Full Text: DOI arXiv
Castillo, René E.; Ramos-Fernández, Julio C.; Rojas, Edixon M. A new essential norm estimate of composition operators from weighted Bloch space into \(\mu\)-Bloch spaces. (English) Zbl 1455.47005 J. Funct. Spaces Appl. 2013, Article ID 817278, 5 p. (2013). MSC: 47B33 46E15 PDFBibTeX XMLCite \textit{R. E. Castillo} et al., J. Funct. Spaces Appl. 2013, Article ID 817278, 5 p. (2013; Zbl 1455.47005) Full Text: DOI