OAI/GroupTheory/PolycyclicRecognition/Algebra/IntrinsicGroupDynkin.lean

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Finite BCH for arbitrary finite-dimensional real Lie groups

The constructed nilpotent coordinate model maps to the target by the proved intrinsic integration theorem. Its exact class-bounded product formula descends without a representation or simple-connectivity hypothesis on the target.

  1. theorem OAI.PolycyclicRecognition.nilpotentDynkinExpansionInput line 23