OAI/Analysis/CircleDomains/Topology/CompactLevelTangent.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

A compactly supported smooth tangent field for an actual compact regular planar level. This uses only the gradient of its defining scalar.

  1. lemma OAI.CircleDomainRigidity.complexScalarGradient_tangent line 13
  2. lemma OAI.CircleDomainRigidity.complexScalarGradient_ne_zero line 20
  3. lemma OAI.CircleDomainRigidity.exists_compact_level_tangent line 27
  4. lemma OAI.CircleDomainRigidity.integral_curve_preserves_scalar line 46