OAI/Geometry/SurfaceImmersion/Atlas/FinitePointChartBalls.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Arbitrarily small disjoint coordinate balls around a prescribed finite set. Their closed supports remain inside the supplied chart neighborhoods.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.finite_point_chart_ballsline 12