COLUMBIA JOURNAL OF UNDERGRADUATE MATHEMATICS. Front matter: Letter from the Editors, Masthead, and Contents. Columbia Journal of Undergraduate Mathematics, [S. l.], v. 1, n. 1, 2024. DOI: 10.52214/cjum.v1i1.12912. Disponível em: https://journals.library.columbia.edu/index.php/cjum/article/view/12912. Acesso em: 28 oct. 2024.