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Theorems · Definition · category theory

HomologicalComplex.Acyclic

{C : Type u_1} →
  [inst : CategoryTheory.Category.{v_1, u_1} C] →
    [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] →
      {ι : Type u_2} → {c : ComplexShape ι} → HomologicalComplex C c → Prop

A homological complex K is acyclic if it is exact at i for any i.

Defined in
Mathlib.Algebra.Homology.ShortComplex.HomologicalComplex
Cited by
28 results in Mathlib
Foundations
Depth 24 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphisms

Around this declaration

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

CochainComplex.IsKInjective.homotopyZero · cited by 4IsKInjective.homotopyZeroHomologicalComplex.acyclic_truncGE_iff_isSupportedOutside · cited by 3HomologicalComplex.acycli…CochainComplex.IsKProjective.homotopyZero · cited by 3IsKProjective.homotopyZeroHomologicalComplex.acyclic_truncLE_iff_isSupportedOutside · cited by 2HomologicalComplex.acycli…CochainComplex.IsKInjective.nonempty_homotopy_zero · cited by 2IsKInjective.nonempty_hom…HomotopyCategory.quotient_obj_mem_subcategoryAcyclic_iff_acyclic · cited by 2HomotopyCategory.quotient…CochainComplex.isKProjective_iff_leftOrthogonal · cited by 1CochainComplex.isKProject…CochainComplex.isKProjective_of_op · cited by 1CochainComplex.isKProject…HomologicalComplex.acyclic_iff · cited by 1HomologicalComplex.acycli…HomologicalComplex.acyclic_op_iff · cited by 1HomologicalComplex.acycli…CochainComplex.acyclic_op · cited by 1CochainComplex.acyclic_opHomologicalComplex.Acyclic.op · cited by 1Acyclic.opHomologicalComplex.Acyclic.unop · cited by 1Acyclic.unopCochainComplex.IsKInjective.eq_δ_of_cocycle · cited by 1IsKInjective.eq_δ_of_cocy…CochainComplex.IsKProjective.nonempty_homotopy_zero · cited by 1IsKProjective.nonempty_ho…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphisms · cited by 3275Limits.HasZeroMorphismsHomologicalComplex · cited by 1691HomologicalComplexComplexShape · cited by 1684ComplexShapeHomologicalComplex.ExactAt · cited by 44HomologicalComplex.ExactAtHomologicalComplex.AcyclicCITED BYCITES

Cites5

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Cited by34

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