OAI/GroupTheory/PolycyclicRecognition/Algebra/AutomorphismCoinvariants.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Coinvariants are unchanged by an automorphism of the acting group

  1. def OAI.PolycyclicRecognition.automorphismCoinvariantsIso line 13
  2. theorem OAI.PolycyclicRecognition.automorphismCoinvariantsIso_hom_mk line 41
  3. theorem OAI.PolycyclicRecognition.automorphismCoinvariantsIso_inv_mk line 47
  4. def OAI.PolycyclicRecognition.automorphismCoinvariantsNatIso line 52