OAI/GroupTheory/PolycyclicRecognition/Algebra/CyclicSquareIndex.lean

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8 declarations, 0 contain sorry, 0 declared as axioms

Passing to the square of a cyclic automorphism at finite index

  1. def OAI.PolycyclicRecognition.integerDoubleHom line 12
  2. theorem OAI.PolycyclicRecognition.integerDoubleHom_injective line 17
  3. theorem OAI.PolycyclicRecognition.integerDoubleHom_range_finiteIndex line 24
  4. def OAI.PolycyclicRecognition.cyclicSquareMap line 39
  5. theorem OAI.PolycyclicRecognition.cyclicSquareMap_injective line 48
  6. theorem OAI.PolycyclicRecognition.cyclicSquareMap_range line 55
  7. theorem OAI.PolycyclicRecognition.cyclicSquareMap_range_finiteIndex line 67
  8. def OAI.PolycyclicRecognition.cyclicSquareRangeEquiv line 72