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[Merged by Bors] - feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor#19543

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[Merged by Bors] - feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor#19543
joelriou wants to merge 2 commits intomasterfrom
algebra-homology-embedding-truncge-2

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@joelriou joelriou commented Nov 27, 2024 •
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Given an embedding e : Embedding c c' of complex shapes which satisfy e.IsTruncGE, we construct the canonical truncation functor e.truncGEFunctor C : HomologicalComplex C c' ⥤ HomologicalComplex C c'.

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@joelriou joelriou added the t-category-theory Category theory label Nov 27, 2024
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github-actions bot commented Nov 27, 2024

PR summary 497fc2c0f8

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ truncGE'Functor
+ truncGE'Map
+ truncGE'Map_comp
+ truncGE'Map_f_eq
+ truncGE'Map_f_eq_opcyclesMap
+ truncGE'Map_id
+ truncGEFunctor
+ truncGEMap
+ truncGEMap_comp
+ truncGEMap_id

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>

The doc-module for script/declarations_diff.sh contains some details about this script.

No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

@joelriou joelriou changed the title feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor. feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor Nov 27, 2024
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dagurtomas commented Nov 29, 2024

Thanks!

maintainer merge

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github-actions bot commented Nov 29, 2024

🚀 Pull request has been placed on the maintainer queue by dagurtomas.

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Nov 29, 2024
jcommelin
jcommelin reviewed Nov 29, 2024
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Thanks 🎉

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Nov 29, 2024
mathlib-bors bot pushed a commit that referenced this pull request Nov 30, 2024
@joelriou
feat(Algebra/Homology/Embedding): the canonical truncation functor `t…
8a86c2c 
…runGEFunctor` (#19543)

Given an embedding `e : Embedding c c'` of complex shapes which satisfy `e.IsTruncGE`, we construct the canonical truncation functor `e.truncGEFunctor C : HomologicalComplex C c' ⥤ HomologicalComplex C c'`.
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mathlib-bors bot commented Nov 30, 2024

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor [Merged by Bors] - feat(Algebra/Homology/Embedding): the canonical truncation functor trunGEFunctor Nov 30, 2024
@mathlib-bors mathlib-bors bot closed this Nov 30, 2024
@mathlib-bors mathlib-bors bot deleted the algebra-homology-embedding-truncge-2 branch November 30, 2024 00:41
mathlib-bors bot pushed a commit that referenced this pull request Jan 17, 2025
@joelriou
feat(Algebra/Homology/Embedding): the canonical truncation truncLE (#…
1af2507 
…19550)

We dualize for `truncLE` the definitions and lemmas obtained for `truncGE` in PR  #14734, #19543 and #19544.
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