OAI/Geometry/SurfaceImmersion/Whitney/PreparedDoubleCurve.lean
1 declarations, 0 contain sorry, 0 declared as axioms
An unconditional prepared surface map with a compact unordered double curve and exactly its finite singular set as the diagonal endpoints.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.exists_prepared_compactified_double_mapline 15