@ARTICLE{10.21494/ISTE.OP.2022.0811, TITLE={Opérateurs de composition pondérés d’espaces de suites à poids}, AUTHOR={Carlos Carpintero, Julio C. Ramos-Fernández, José E. Sanabria, }, JOURNAL={Avancées en Mathématiques Pures et Appliquées}, VOLUME={13}, NUMBER={Numéro 2 (Mars 2022)}, YEAR={2022}, URL={http://www.openscience.fr/Operateurs-de-composition-ponderes-d-espaces-de-suites-a-poids}, DOI={10.21494/ISTE.OP.2022.0811}, ISSN={1869-6090}, ABSTRACT={We give simple criteria which characterize the symbols $$$u$$$, $$$\varphi$$$ defining continuous and compact weighted composition operators $$$W_{u,\varphi}$$$ acting between two different weighted sequence spaces. Also we characterize when $$$W_{u,\varphi}$$$ is bounded below and when it has closed range.}}