OAI/GroupTheory/PolycyclicRecognition/Algebra/ExactTensorCoefficient.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Exact tensoring by the flat integral coefficient

This uses flatness of the underlying integer module; no equivariant splitting is claimed for the constant-functions sequence.

  1. theorem OAI.PolycyclicRecognition.representation_tensorLeft_map_exact line 19
  2. theorem OAI.PolycyclicRecognition.representation_tensorLeft_preserves_homology line 31
  3. theorem OAI.PolycyclicRecognition.representation_tensorLeft_map_shortExact line 35