2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85577We present an application of the basic mathematical concept of complex functions as topological solitons, a most interesting area of research in physics. Such application of complex theory is virtually unknown outside the community of soliton researches.8 pages, 1 figure. To appear in "Revista Mexicana de Fisica"Physics Educationtext