XIAO, Yayauan. A Word from the Editor. Mathematics Exchange, [S. l.], v. 17, n. 1, p. i-ii, 2026. DOI: 10.33043/xEzN3CFHHM. Disponível em: https://openjournals.bsu.edu/mathexchange/article/view/6172. Acesso em: 28 apr. 2026.