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Theorems · Definition · category theory

CategoryTheory.ShortComplex.leftRightHomologyComparison

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] →
      (S : CategoryTheory.ShortComplex C) →
        [inst_2 : S.HasLeftHomology] → [inst_3 : S.HasRightHomology] → S.leftHomology ⟶ S.rightHomology

If a short complex S has both a left and right homology, this is the canonical morphism S.leftHomology ⟶ S.rightHomology.

Defined in
Mathlib.Algebra.Homology.ShortComplex.Homology
Cited by
6 results in Mathlib
Foundations
Depth 33 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphismsCategoryTheory.ShortComplex.HasLeftHomologyCategoryTheory.ShortComplex.HasRightHomology

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.ShortComplex.leftRightHomologyComparison_fac · cited by 2ShortComplex.leftRightHom…CategoryTheory.ShortComplex.π_leftRightHomologyComparison_ι · cited by 2ShortComplex.π_leftRightH…CategoryTheory.ShortComplex.leftRightHomologyComparison_eq · cited by 0ShortComplex.leftRightHom…CategoryTheory.ShortComplex.leftRightHomologyComparison_fac_assoc · cited by 0ShortComplex.leftRightHom…CategoryTheory.ShortComplex.π_leftRightHomologyComparison_ι_assoc · cited by 0ShortComplex.π_leftRightH…CategoryTheory.ShortComplex.hasHomology_of_isIsoLeftRightHomologyComparison · cited by 0ShortComplex.hasHomology_…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Limits.HasZeroMorphisms · cited by 3275Limits.HasZeroMorphismsCategoryTheory.ShortComplex · cited by 1850CategoryTheory.ShortCompl…CategoryTheory.ShortComplex.HasLeftHomology · cited by 132ShortComplex.HasLeftHomol…CategoryTheory.ShortComplex.HasRightHomology · cited by 125ShortComplex.HasRightHomo…CategoryTheory.ShortComplex.leftHomologyData · cited by 83ShortComplex.leftHomology…CategoryTheory.ShortComplex.leftHomology · cited by 66ShortComplex.leftHomologyCategoryTheory.ShortComplex.rightHomology · cited by 66ShortComplex.rightHomologyCategoryTheory.ShortComplex.rightHomologyData · cited by 64ShortComplex.rightHomolog…CategoryTheory.ShortComplex.leftRightHomologyComparison' · cited by 20ShortComplex.leftRightHom…ShortComplex.leftRightHomolog…CITED BYCITES

Cites11

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Cited by6

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