OAI/Geometry/SurfaceImmersion/Atlas/PhaseExteriorPreservation.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Actual later-curve geometry is stable in its own fixed phase chart, even when the exact correction uses a different smoothing atlas.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.compact_phase_exterior_curve_preservation line 19
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.compact_phase_exterior_crossing_preservation line 57