feat(Algebra/ModuleCat/Presheaf): composition of pushforwards and pullbacks and compatibilites#17589
feat(Algebra/ModuleCat/Presheaf): composition of pushforwards and pullbacks and compatibilites#17589
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…to the-free-presheaf-of-modules-on-a-presheaf-of-sets
…to the-free-presheaf-of-modules-on-a-presheaf-of-sets
…es-on-a-presheaf-of-sets
…es-on-a-presheaf-of-sets
…es-on-a-presheaf-of-sets
…es-on-a-presheaf-of-sets
…sheaf-of-modules-pullback
…sheaf-of-modules-pullback
PR summary 64ce1d7195Import changes for modified filesNo significant changes to the import graph Import changes for all files
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| Current number | Change | Type |
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| 764 | 3 | erw |
Current commit e2db97e769
Reference commit 64ce1d7195
You can run this locally as
./scripts/technical-debt-metrics.sh pr_summary
- The
relativevalue is the weighted sum of the differences with weight given by the inverse of the current value of the statistic. - The
absolutevalue is therelativevalue divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).
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This PR/issue depends on: |
…-pullback-more-api
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This PR has been migrated to a fork-based workflow: #30318 |
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[imports (comment with "bot fix style" to have the bot commit all style suggestions)] reported by reviewdog 🐶
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| import Mathlib.Algebra.Category.ModuleCat.Presheaf.Monoidal | ||
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The composition of two pullback functors on presheaves of modules
pullback φ ⋙ pullback ψidentifies to the pullback of the composition. We show compatibilites for these isomorphisms: they are deduced from similar identifies for pushforward (in which case they arerfl).