OAI/Geometry/SurfaceImmersion/Whitney/CrosscapFiberIsolation.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

A prepared quadratic crosscap is isolated in the fiber of its own image.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.quadratic_crosscap_isolated_fiber line 13
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.chart_isolated_fiber line 33
  3. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.prepared_crosscap_isolated_fiber line 51