OAI/Geometry/SurfaceImmersion/Whitney/SmoothDoubleArc.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

A compact smooth double arc retains the final chart germ. This is precisely the data needed to continue it through the next chart of a finite cover.

  1. structure OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothDoubleArc line 13
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothDoubleChart.smooth_double_arc line 30