OAI/GroupTheory/PolycyclicRecognition/Geometry/SmoothIntegralActionExtension.lean

GitHub source file

1 declarations, 0 contain sorry, 0 declared as axioms

Extending a smooth integral action on a nilpotent group

The integral action need not preserve a particular kernel lattice. Passing to a common finite-index power gives a genuine multiparameter Lie action.

  1. theorem OAI.PolycyclicRecognition.smooth_integral_action_has_vector_extension line 19