OAI/Geometry/SurfaceImmersion/Atlas/OuterPhaseConvexity.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The transverse phase Hessian stays positive on the whole prescribed outer plateau, including its collar beyond the primitive support.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.phase_hessian_positive_of_outer line 16