OAI/GroupTheory/PolycyclicRecognition/Algebra/InductionSemilinear.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Lifting a semilinear map to the induced representation

Conjugating the normal subgroup by a chosen lift of the cyclic generator produces the translation map used in the extension resolution.

  1. theorem OAI.PolycyclicRecognition.induction_mk_left_inv line 24
  2. def OAI.PolycyclicRecognition.inducedSemilinearUnit line 30
  3. def OAI.PolycyclicRecognition.inducedSemilinearMap line 45
  4. theorem OAI.PolycyclicRecognition.inducedSemilinearMap_mk line 51