OAI/Geometry/SurfaceImmersion/Atlas/PhaseNormalTripleMargin.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

The normal triple of the actual inverse-chart map controls the old coordinate immersion and second form with a fixed compact-chart constant.

  1. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.normalTriple_secondTensor_margin line 15
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compact_phase_normalTriple_margin line 26