OAI/GroupTheory/PolycyclicRecognition/Algebra/AbelianH2CrossProduct.lean

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8 declarations, 0 contain sorry, 0 declared as axioms

The alternating cross product in second homology of an abelian group

  1. def OAI.PolycyclicRecognition.abelianH2Class line 13
  2. theorem OAI.PolycyclicRecognition.abelianH2Class_self line 16
  3. theorem OAI.PolycyclicRecognition.abelianH2Class_swap line 23
  4. theorem OAI.PolycyclicRecognition.abelianH2Class_mul_left line 33
  5. theorem OAI.PolycyclicRecognition.abelianH2Class_mul_right line 55
  6. theorem OAI.PolycyclicRecognition.abelianH2Class_one_left line 61
  7. theorem OAI.PolycyclicRecognition.abelianH2Class_one_right line 67
  8. def OAI.PolycyclicRecognition.abelianH2Pairing line 70