OAI/Geometry/HyperbolicGroups/EdgeContraction.lean

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6 declarations, 0 contain sorry, 0 declared as axioms

In a genuinely simply connected space, individual graph edges contract with arbitrary prescribed vertex tracks.

  1. def OAI.HyperbolicObstruction.EdgeContraction.square line 17
  2. def OAI.HyperbolicObstruction.EdgeContraction.contraction line 20
  3. lemma OAI.HyperbolicObstruction.EdgeContraction.contraction_initial line 21
  4. lemma OAI.HyperbolicObstruction.EdgeContraction.contraction_final line 23
  5. lemma OAI.HyperbolicObstruction.EdgeContraction.contraction_left line 25
  6. lemma OAI.HyperbolicObstruction.EdgeContraction.contraction_right line 27