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[Merged by Bors] - feat(Algebra/Homology/SpectralSequence): complex shapes for pages of spectral sequences#35355

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joelriou:spectral-sequences-1-complex-shape
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[Merged by Bors] - feat(Algebra/Homology/SpectralSequence): complex shapes for pages of spectral sequences#35355
joelriou wants to merge 4 commits intoleanprover-community:masterfrom
joelriou:spectral-sequences-1-complex-shape

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@joelriou joelriou added WIP Work in progress t-category-theory Category theory labels Feb 15, 2026
@github-actions github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Feb 15, 2026
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github-actions bot commented Feb 15, 2026

PR summary 52b9aaf523

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference
Mathlib.Algebra.Homology.SpectralSequence.ComplexShape (new file) 101

Declarations diff

+ spectralSequenceFin
+ spectralSequenceFin_rel_iff
+ spectralSequenceNat
+ spectralSequenceNat_rel_iff

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 scripts/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).

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Thanks 🎉

bors merge

@mathlib-triage mathlib-triage bot added the ready-to-merge This PR has been sent to bors. label Feb 25, 2026
mathlib-bors bot pushed a commit that referenced this pull request Feb 25, 2026
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mathlib-bors bot commented Feb 25, 2026

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(Algebra/Homology/SpectralSequence): complex shapes for pages of spectral sequences [Merged by Bors] - feat(Algebra/Homology/SpectralSequence): complex shapes for pages of spectral sequences Feb 25, 2026
@mathlib-bors mathlib-bors bot closed this Feb 25, 2026
pfaffelh pushed a commit to pfaffelh/mathlib4 that referenced this pull request Mar 2, 2026
pevogam pushed a commit to pevogam/mathlib4 that referenced this pull request Mar 19, 2026
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