OAI/GroupTheory/PolycyclicRecognition/Analysis/NilpotentHaarConstruction.lean

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Haar measure from nilpotent exponential coordinates

A global exponential homeomorphism and the finite BCH formula imply Lebesgue invariance in every linear basis.

  1. theorem OAI.PolycyclicRecognition.NilpotentGlobalExponentialChartInput.toCoordinates line 25