OAI/GroupTheory/PolycyclicRecognition/Algebra/FreeAbelianCentralExtension.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Lie realization of a central extension of two integral lattices

The coordinates and their bilinear multiplication law are constructed from chosen lifts of a quotient basis; they are not supplied as a hypothesis.

  1. theorem OAI.PolycyclicRecognition.freeAbelianCentralExtension_realization line 16