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Theorems · Definition · algebraic topology

CategoryTheory.SimplicialObject.Splitting.summand

{C : Type u_1} → (ℕ → C) → (Δ : SimplexCategoryᵒᵖ) → CategoryTheory.SimplicialObject.Splitting.IndexSet Δ → C

Given a sequences of objects N : ℕ → C in a category C, this is a family of objects indexed by the elements A : Splitting.IndexSet Δ. The Δ-simplices of a split simplicial objects shall identify to the coproduct of objects in such a family.

Defined in
Mathlib.AlgebraicTopology.SimplicialObject.Split
Cited by
48 results in Mathlib
Foundations
Depth 31 from the axioms · uses propext, Quot.sound

Around this declaration

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

CategoryTheory.SimplicialObject.Splitting.cofan · cited by 46Splitting.cofanAlgebraicTopology.DoldKan.Γ₀.splitting · cited by 31Γ₀.splittingCategoryTheory.SimplicialObject.Splitting.hom_ext' · cited by 5Splitting.hom_ext'CategoryTheory.SimplicialObject.Splitting.ι_desc · cited by 5Splitting.ι_descCategoryTheory.SimplicialObject.Splitting.cofan_inj_eq · cited by 4Splitting.cofan_inj_eqAlgebraicTopology.DoldKan.Γ₀.Obj.map_on_summand · cited by 4Obj.map_on_summandCategoryTheory.SimplicialObject.Splitting.cofan' · cited by 3Splitting.cofan'CategoryTheory.SimplicialObject.Splitting.cofan_inj_comp_PInfty_eq_zero · cited by 2Splitting.cofan_inj_comp_…CategoryTheory.SimplicialObject.Splitting.cofan_inj_comp_app · cited by 2Splitting.cofan_inj_comp_…CategoryTheory.SimplicialObject.Splitting.cofan_inj_πSummand_eq_zero · cited by 2Splitting.cofan_inj_πSumm…CategoryTheory.SimplicialObject.Splitting.decomposition_id · cited by 2Splitting.decomposition_idAlgebraicTopology.DoldKan.PInfty_on_Γ₀_splitting_summand_eq_self · cited by 2DoldKan.PInfty_on_Γ₀_spli…AlgebraicTopology.DoldKan.PInfty_on_Γ₀_splitting_summand_eq_self_assoc · cited by 2DoldKan.PInfty_on_Γ₀_spli…CategoryTheory.SimplicialObject.Splitting.isColimit · cited by 2Splitting.isColimitCategoryTheory.SimplicialObject.Splitting.ι_desc_assoc · cited by 2Splitting.ι_desc_assocOpposite · cited by 8081OppositeOpposite.unop · cited by 2231Opposite.unopSimplexCategory · cited by 2204SimplexCategorySimplexCategory.len · cited by 542SimplexCategory.lenCategoryTheory.SimplicialObject.Splitting.IndexSet · cited by 65Splitting.IndexSetSplitting.summandCITED BYCITES

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Cited by56

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