OAI/NumberTheory/CubicMoment/Theta/CubicThetaTangentIsometry.lean

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7 declarations, 0 contain sorry, 0 declared as axioms

The normalized differential of an actual Mobius transformation is an orthogonal automorphism of the three-dimensional real tangent space.

  1. abbrev OAI.CubicFirstMoment.CubicThetaTangent line 11
  2. def OAI.CubicFirstMoment.cubicThetaTangentCoordinates line 13
  3. lemma OAI.CubicFirstMoment.cubicThetaTangent_norm_sq line 16
  4. def OAI.CubicFirstMoment.cubicThetaTangentDerivative line 23
  5. lemma OAI.CubicFirstMoment.cubicThetaTangentDerivative_norm line 29
  6. def OAI.CubicFirstMoment.cubicThetaTangentIsometry line 49
  7. lemma OAI.CubicFirstMoment.cubicThetaTangentDerivative_eq line 65