2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/139357Two infinite sequences of minimal surfaces in space are constructed using symmetry analysis. In particular, explicit formulas are obtained for the self-intersecting minimal surface that fills the trefoil knot.13 pages, 8 figuresDifferential GeometryAnalysis of PDEs49Q05, 53A10, 70S10Minimal surfaces associated with nonpolynomial contact symmetry flowstext