OAI/GroupTheory/PolycyclicRecognition/Geometry/UnipotentLieLogarithm.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

The logarithm of a unipotent Lie automorphism is a derivation

Integer iterates preserve the bracket. Polynomiality extends that identity to the real flow; its derivative at zero is the derivation identity.

  1. theorem OAI.PolycyclicRecognition.nilpotentLinearFlow_preserves_lie line 20
  2. def OAI.PolycyclicRecognition.unipotentLieLogarithm line 57