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[Merged by Bors] - feat(RepresentationTheory/GroupCohomology): extra lemmas#25815

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101damnations wants to merge 11 commits intomasterfrom
arlcohlowdegrefactor4
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[Merged by Bors] - feat(RepresentationTheory/GroupCohomology): extra lemmas#25815
101damnations wants to merge 11 commits intomasterfrom
arlcohlowdegrefactor4

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@101damnations 101damnations commented Jun 12, 2025

Extra lemmas about group cohomology in preparation for #25310.

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@github-actions github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Jun 12, 2025
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github-actions bot commented Jun 12, 2025 •
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PR summary 370ad54f8c

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ cochainsMap_id_f_hom_eq_compLeft
+ cocyclesMap_comp
+ cocyclesMap_id
+ eq_dOne_comp_inv
+ eq_dTwo_comp_inv
+ eq_dZero_comp_inv
+ groupCohomology.π
+ groupCohomology_induction_on
+ inhomogeneousCochains.ext
+ isoOneCocycles_inv_comp_iCocycles
+ isoTwoCocycles_inv_comp_iCocycles
+ map_comp
+ map_id
+ oneCocycles.dOne_apply
+ twoCocycles.dTwo_apply
+ π_comp_isoH0_hom
+ π_comp_isoH1_hom
+ π_comp_isoH2_hom
+ π_map

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).

@101damnations 101damnations mentioned this pull request Jun 12, 2025
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erdOne
erdOne reviewed Jun 12, 2025
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erdOne approved these changes Jun 12, 2025
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Thanks!
maintainer delegate

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github-actions bot commented Jun 12, 2025

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

@ghost ghost added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Jun 12, 2025
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riccardobrasca commented Jun 12, 2025

Thanks!

bors d+

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mathlib-bors bot commented Jun 12, 2025

✌️ 101damnations can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

@ghost ghost added delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). and removed maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. labels Jun 12, 2025
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101damnations commented Jun 13, 2025

bors r+

mathlib-bors bot pushed a commit that referenced this pull request Jun 13, 2025
feat(RepresentationTheory/GroupCohomology): extra lemmas (#25815)
8e87a39 
Extra lemmas about group cohomology in preparation for #25310.
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mathlib-bors bot commented Jun 13, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(RepresentationTheory/GroupCohomology): extra lemmas [Merged by Bors] - feat(RepresentationTheory/GroupCohomology): extra lemmas Jun 13, 2025
@mathlib-bors mathlib-bors bot closed this Jun 13, 2025
@mathlib-bors mathlib-bors bot deleted the arlcohlowdegrefactor4 branch June 13, 2025 18:32
@101damnations 101damnations mentioned this pull request Jun 14, 2025
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@101damnations 101damnations mentioned this pull request Jun 14, 2025
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101damnations pushed a commit to 101damnations/mathlib4 that referenced this pull request Jun 14, 2025
mirror the changes in leanprover-community#25815
2a49619
pfaffelh pushed a commit to pfaffelh/mathlib4 that referenced this pull request Jun 15, 2025
feat(RepresentationTheory/GroupCohomology): extra lemmas (leanprover-…
70c4550 
…community#25815)

Extra lemmas about group cohomology in preparation for leanprover-community#25310.
pfaffelh pushed a commit to pfaffelh/mathlib4 that referenced this pull request Jun 15, 2025
feat(RepresentationTheory/GroupCohomology): extra lemmas (leanprover-…
577b0e5 
…community#25815)

Extra lemmas about group cohomology in preparation for leanprover-community#25310.
Rida-Hamadani pushed a commit to Rida-Hamadani/mathlib4 that referenced this pull request Jun 24, 2025
@Rida-Hamadani
feat(RepresentationTheory/GroupCohomology): extra lemmas (leanprover-…
a732592 
…community#25815)

Extra lemmas about group cohomology in preparation for leanprover-community#25310.
callesonne pushed a commit to callesonne/mathlib4 that referenced this pull request Jul 24, 2025
@callesonne
feat(RepresentationTheory/GroupCohomology): extra lemmas (leanprover-…
dd351b2 
…community#25815)

Extra lemmas about group cohomology in preparation for leanprover-community#25310.
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