OAI/AlgebraicGeometry/SurfaceCones/RestrictionRank.lean

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6 declarations, 0 contain sorry, 0 declared as axioms

The K₀ lattice identity identifies the rank of the restricted pushforward with the free lattice rank.

  1. lemma OAI.ActualCartier.coherentPower_obj line 15
  2. def OAI.ActualCartier.clearedCoherentPowerIso line 22
  3. lemma OAI.SourceConeMorphism.plane_rankHom_conormal line 36
  4. lemma OAI.SourceConeMorphism.restriction_cleared_rank line 44
  5. lemma OAI.SourceConeMorphism.ExtensionState.restriction_pushforward_rank line 61
  6. lemma OAI.SourceConeMorphism.ExtensionState.finite_pushforward_rank line 81