CONFESSOR, Leandro da Costa. (BrasilCentro de Educação e Saúde - CESUFCGUniversidade Federal de Campina Grande, 2022-03-25)
In this work we carry out an introductory study of Functional Analysis, presenting several important concepts, such as metric spaces, Banach spaces, compact sets and finally enunciators and we demonstrate the Riesz Lemma.