%0 Artículo (Article) %A Ramos-Fernández, Julio C. %I Hindawi Limited %D 2019 %G Inglés (English) %T On the Essential Norm of Multiplications Operators Acting on Cesàro Sequence Spaces %U https://repository.urosario.edu.co/handle/10336/22347 %U https://doi.org/10.1155/2019/5069610 %X In this article, we establish an important property about the growth of sequences in the dual space of Cesàro sequence spaces. As a consequence of this fact, we calculate the measure of noncompactness or the essential norm of the multiplication operator Mu acting on Cesàro sequence spaces cesp. © 2019 Julio C. Ramos-Fernández et al.