[Merged by Bors] - feat(CategoryTheory/Triangulated): the Yoneda functors are homological#14528
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[Merged by Bors] - feat(CategoryTheory/Triangulated): the Yoneda functors are homological#14528
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PR summary 28db198126
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| File | Base Count | Head Count | Change |
|---|---|---|---|
| Mathlib.CategoryTheory.Triangulated.Opposite | 976 | 1057 | +81 (+8.30%) |
Import changes for all files
| Files | Import difference |
|---|---|
Mathlib.CategoryTheory.Triangulated.Opposite |
81 |
Mathlib.CategoryTheory.Triangulated.Yoneda |
1226 |
Declarations diff
+ instance (A : Cᵒᵖ) : (preadditiveCoyoneda.obj A).IsHomological
+ instance (A : Cᵒᵖ) : (preadditiveCoyoneda.obj A).ShiftSequence ℤ
+ instance (B : C) : (preadditiveYoneda.obj B).IsHomological
+ map_distinguished_op_exact
+ preadditiveCoyoneda_homologySequenceδ_apply
+ preadditiveYoneda_map_distinguished
You can run this locally as follows
## summary with just the declaration names:
./scripts/no_lost_declarations.sh short <optional_commit>
## more verbose report:
./scripts/no_lost_declarations.sh <optional_commit>
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Thanks! |
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🚀 Pull request has been placed on the maintainer queue by erdOne. |
Member
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Thanks! bors merge |
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Jul 9, 2024
#14528) Let `C` be a pretriangulated category. In this PR, we show that the functors `preadditiveCoyoneda.obj A : C ⥤ AddCommGrp` for `A : Cᵒᵖ` and `preadditiveYoneda.obj B : Cᵒᵖ ⥤ AddCommGrp` for `B : C` are homological functors.
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Pull request successfully merged into master. Build succeeded: |
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Let
Cbe a pretriangulated category. In this PR, we show that the functorspreadditiveCoyoneda.obj A : C ⥤ AddCommGrpforA : CᵒᵖandpreadditiveYoneda.obj B : Cᵒᵖ ⥤ AddCommGrpforB : Care homological functors.