OAI/Geometry/SurfaceImmersion/Whitney/FiniteDoubleCurvePieces.lean
1 declarations, 0 contain sorry, 0 declared as axioms
The actual compactified surface double curve has a finite vertex/ open-edge decomposition; no graph decomposition is assumed.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.exists_finite_double_curve_piecesline 15