[Merged by Bors] - feat(CategoryTheory): the monoidal category structure on graded objects #14457
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PR summary 779ef7d15f
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| File | Base Count | Head Count | Change |
|---|---|---|---|
| Mathlib.CategoryTheory.GradedObject.Monoidal | 453 | 528 | +75 (+16.56%) |
Import changes for all files
| Files | Import difference |
|---|---|
Mathlib.CategoryTheory.GradedObject.Monoidal |
75 |
Declarations diff
+ instance (F : C ⥤ D) (J : Type*) [Finite J] [PreservesFiniteCoproducts F] :
+ instance (n : ℕ) : Finite ((fun (i : ℕ × ℕ) => i.1 + i.2) ⁻¹' {n}) := by
+ instance (n : ℕ) : Finite ({ i : (ℕ × ℕ × ℕ) | i.1 + i.2.1 + i.2.2 = n }) := by
+ left_tensor_tensorObj₃_ext
+ monoidalCategory
+ pentagon
+ pentagon_inv
+ tensorObj₄_ext
+ whiskerLeft_whiskerLeft_associator_inv
+ ιTensorObj₄
+ ιTensorObj₄_eq
You can run this locally as follows
## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>
## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>
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kim-em
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Jul 15, 2024
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Excited to see that you've finished this @joelriou, it's great! bors d+ |
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Thanks! bors merge |
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…ts (#14457) Under suitable conditions on a monoidal category `C`, we define an instance of `MonoidalCategory (GradedObject ℕ C)`. The construction is actually more general, and it shall be used in order to get monoidal category structures on homological complexes in future PRs. Co-authored-by: Kim Morrison <[email protected]>
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Pull request successfully merged into master. Build succeeded: |
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In this PR, we construct the braiding for the monoidal structure on graded objects (#14457). We show it is symmetric if the original category is symmetric. Co-authored-by: Joël Riou <[email protected]>
bjoernkjoshanssen
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Sep 9, 2024
In this PR, we construct the braiding for the monoidal structure on graded objects (#14457). We show it is symmetric if the original category is symmetric. Co-authored-by: Joël Riou <[email protected]>
bjoernkjoshanssen
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Sep 9, 2024
In this PR, we construct the braiding for the monoidal structure on graded objects (#14457). We show it is symmetric if the original category is symmetric. Co-authored-by: Joël Riou <[email protected]>
bjoernkjoshanssen
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Sep 12, 2024
In this PR, we construct the braiding for the monoidal structure on graded objects (#14457). We show it is symmetric if the original category is symmetric. Co-authored-by: Joël Riou <[email protected]>
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Under suitable conditions on a monoidal category
C, we define an instance ofMonoidalCategory (GradedObject ℕ C). The construction is actually more general, and it shall be used in order to get monoidal category structures on homological complexes in future PRs.Co-authored-by: Kim Morrison [email protected]