OAI/Geometry/SurfaceImmersion/Whitney/CrosscapAxisEndpointGerms.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Both exterior germs of the actual compact source arc can be made exact crosscap kernel axes simultaneously, keeping every closed-arc point.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.crosscap_axis_endpoint_germsline 14