OAI/Geometry/SurfaceImmersion/Whitney/DoubleLocusChart.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Smooth submersion coordinates for the three-component difference map on a pair of surface charts.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.double_locus_submersion_chartline 13