Theorems · Definition · category theory

CochainComplex.HomComplex.Cochain.fromSingleMk

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    [inst_1 : CategoryTheory.Preadditive C] →
      [inst_2 : CategoryTheory.Limits.HasZeroObject C] →
        {X : C} →
          {K : CochainComplex C ℤ} →
            {p q : ℤ} →
              (X ⟶ K.X q) →
                {n : ℤ} → p + n = q → CochainComplex.HomComplex.Cochain ((CochainComplex.singleFunctor C p).obj X) K n

Constructor for cochains from a single complex.

Defined in

Mathlib.Algebra.Homology.HomotopyCategory.HomComplexSingle

Cited by

20 results in Mathlib

Foundations

Depth 67 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.PreadditiveCategoryTheory.Limits.HasZeroObject