OAI/AlgebraicGeometry/CharacterVarieties/Seams/BoundaryWords.lean

GitHub source file

32 declarations, 0 contain sorry, 0 declared as axioms

Boundary words after band grafting

Ordered boundary words on the original and reflected band recover the old principal and secondary boundary monodromies.

  1. def OAI.IntegralCharacterVarieties.OccurrenceIncidence.fiberCoefficient line 18
  2. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.fiberCoefficient_one line 20
  3. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.fiberCoefficient_rebase line 25
  4. def OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient line 40
  5. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient_old line 43
  6. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient_strip line 57
  7. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient_shortCycle line 65
  8. theorem OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.actual_secondary_matrix_word line 73

    Source documentation

    A nonprincipal old boundary retains its based matrix product over the coefficient ring.

    theorem actual_secondary_matrix_word (hshort : ∀ b i,short b (some i)=1)
        (hinj : Function.Injective B.shortRoot) (f : F)
        (s : Finset (Side S arity))
        (hs : A.vertexAssembly.corners.boundaryNext.IsCycleOn (s : Set (Side S arity)))
        (hq : (⟨q,none⟩ : Side S arity)∉s) (a : Side S arity) (ha : a∈s) :
        cycleWord (next A q B) (bandCoefficient A q B rank old short f)
          (oldEmbedding A q B a) (secondaryCircle A q B s).card=
        cycleWord A.vertexAssembly.corners.boundaryNext
          (fun a => fiberCoefficient rank f (old a)) a s.card := by
    …

    Mentions: OAI.IntegralCharacterVarieties.OccurrenceIncidence.Side, OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.next, OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient, OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.oldEmbedding, OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.secondaryCircle, OAI.IntegralCharacterVarieties.OccurrenceIncidence.fiberCoefficient

  9. lemma OAI.IntegralCharacterVarieties.BoundarySurgery.chain_word_prefix line 105
  10. lemma OAI.IntegralCharacterVarieties.BoundarySurgery.chain_word_allBases line 114
  11. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.originalSide_injective line 128
  12. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.principalCircle_card line 133
  13. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.mirrorCircle_card line 145
  14. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.actual_principal_word_allBases line 153
  15. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient_original line 193
  16. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.actual_principal_matrix_word line 198
  17. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.oldGraftCircle_word line 225
  18. def OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedWordPreDiagram line 256

    Source documentation

    The old diagram with its ranks extended to the grafted facets.

    noncomputable def refinedWordPreDiagram : Diagram (D.ports.RefinedBandFacet q d) S V arity :=
    …

    Mentions: OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram

  19. def OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedOldBoundary line 260
  20. def OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMirrorBoundary line 263
  21. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarkedLabel_old line 267
  22. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarkedLabel_mirror line 271
  23. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarkedLabel_fresh line 275
  24. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedWordPreCoefficient line 278
  25. lemma OAI.IntegralCharacterVarieties.BoundarySurgery.cycleWord_of_cycleEntry line 295
  26. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.bandCoefficient_mirror line 314
  27. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.mirrorCircle_word line 324
  28. lemma OAI.IntegralCharacterVarieties.OccurrenceIncidence.BandGraft.freshCircle_word line 334
  29. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarked_boundaryWord line 362
  30. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarked_boundaryWord_old line 372
  31. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarked_boundaryWord_mirror line 396
  32. lemma OAI.IntegralCharacterVarieties.SurfacePresentation.Diagram.refinedMarked_boundaryWord_fresh line 409