OAI/Geometry/SurfaceImmersion/Atlas/PhaseOuterImmersion.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

The exact phase map remains an immersion on the full outer plateau.

  1. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.phaseRealChartMap_eq_real_comp line 17
  2. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.phase_injective_of_outer line 26
  3. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.phase_outer_neighborhood line 55