OAI/Geometry/SurfaceImmersion/Whitney/CrosscapSourceEndpoint.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Compact regular insertions do not change the kernel-axis geometry of an actual crosscap connection near its singular endpoint.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.crosscap_source_endpoint_neighborhood line 16