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Theorems · Definition · category theory

CochainComplex.mappingCone

{C : Type u_1} →
  [inst : CategoryTheory.Category.{v, u_1} C] →
    [inst_1 : CategoryTheory.Preadditive C] →
      {F G : CochainComplex C ℤ} → (φ : F ⟶ G) → [HomologicalComplex.HasHomotopyCofiber φ] → CochainComplex C ℤ

The mapping cone of a morphism of cochain complexes indexed by .

Defined in
Mathlib.Algebra.Homology.HomotopyCategory.MappingCone
Cited by
181 results in Mathlib
Foundations
Depth 38 from the axioms, rests on 687 definitions · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.PreadditiveHomologicalComplex.HasHomotopyCofiber

Around this declaration

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

CochainComplex.mappingCone.inr · cited by 79mappingCone.inrCochainComplex.mappingCone.inl · cited by 61mappingCone.inlCochainComplex.mappingCone.fst · cited by 51mappingCone.fstCochainComplex.mappingCone.snd · cited by 49mappingCone.sndCochainComplex.mappingCocone · cited by 46CochainComplex.mappingCoc…CategoryTheory.ShortComplex.ShortExact.extClass · cited by 36ShortExact.extClassCochainComplex.mappingCone.descCochain · cited by 20mappingCone.descCochainCochainComplex.mappingCone.desc · cited by 19mappingCone.descCochainComplex.mappingCone.map · cited by 19mappingCone.mapCochainComplex.mappingCone.descShortComplex · cited by 18mappingCone.descShortComp…CochainComplex.mappingCone.liftCochain · cited by 18mappingCone.liftCochainCochainComplex.mappingCone.lift · cited by 12mappingCone.liftCochainComplex.mappingCone.ext_from_iff · cited by 9mappingCone.ext_from_iffCochainComplex.mappingCone.inr_f_fst_v · cited by 9mappingCone.inr_f_fst_vCochainComplex.mappingConeCompHomotopyEquiv · cited by 9CochainComplex.mappingCon…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Preadditive · cited by 3309CategoryTheory.PreadditiveComplexShape.up · cited by 1123ComplexShape.upCochainComplex · cited by 1016CochainComplexHomologicalComplex.HasHomotopyCofiber · cited by 225HomologicalComplex.HasHom…HomologicalComplex.homotopyCofiber · cited by 31HomologicalComplex.homoto…CochainComplex.mappingConeCITED BYCITES

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Cited by218

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