OAI/Geometry/SurfaceImmersion/Whitney/SmoothRegularZeroArc.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

A transverse zero fiber has a globally smooth local parametrization with injective derivative, retaining its exact zero-fiber equation.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.smooth_regular_zero_arc_data line 14
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.smooth_regular_zero_arc line 87