@article{Ramos-Fernández_Salas-Brown_2020, title={The essential norm of multiplication operators acting on Orlicz sequence spaces}, volume={39}, url={https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/3669}, DOI={10.22199/issn.0717-6279-2020-06-0086}, abstractNote={<p><em>We calculate the measure of non-compactness or the essential norm of the multiplication operator M<sub>u</sub> acting on Orlicz sequence spaces l<sup>ϕ</sup>. As a consequence of our result, we obtain a known criteria for the compactness of multiplication operator acting on l<sup>ϕ</sup>.</em></p>}, number={6}, journal={Proyecciones (Antofagasta, On line)}, author={Ramos-Fernández, Julio César and Salas-Brown, Margot}, year={2020}, month={Nov.}, pages={1407-1414} }