MICHAELN. JOHN. ALGEBRALGEBRAIC AND TOPOLOGICAL ANALYSIS OF ENVELOPING SEMIGROUPS IN TRANSFORMATION GROUPS:PROXIMAL EQUIVALENCE AND HOMOMORPHIC IMAGE. IPHO-Journal of Advance Research in Mathematics And Statistics, [S. l.], v. 2, n. 12, p. 21–27, 2025. Disponível em: https://iphopen.org/index.php/ms/article/view/255. Acesso em: 12 may. 2026.