[Merged by Bors] - feat(RingTheory): being unramified is a local property #20323

erdOne · 2024-12-29T13:28:11Z

github-actions · 2024-12-29T13:29:01Z

PR summary 35916247f0

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference
`Mathlib.RingTheory.Etale.Kaehler` (new file)	1466
`Mathlib.RingTheory.Unramified.Locus` (new file)	1565
`Mathlib.RingTheory.RingHom.Unramified` (new file)	1694

Declarations diff

+ FormallyUnramified
+ KaehlerDifferential.isBaseChange_of_formallyEtale
+ KaehlerDifferential.isLocalizedModule_map
+ KaehlerDifferential.tensorKaehlerEquivOfFormallyEtale
+ basicOpen_subset_unramifiedLocus_iff
+ formallyUnramified_algebraMap
+ holdsForLocalizationAway
+ instance [Algebra.FormallySmooth R S] : Subsingleton (Algebra.H1Cotangent R S)
+ isOpen_unramifiedLocus
+ isStableUnderBaseChange
+ ofLocalizationPrime
+ ofLocalizationSpanTarget
+ propertyIsLocal
+ respectsIso
+ stableUnderComposition
+ unramifiedLocus
+ unramifiedLocus_eq_compl_support
+ unramifiedLocus_eq_univ_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 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).

Mathlib/RingTheory/Etale/Kaehler.lean

Mathlib/RingTheory/Unramified/Basic.lean

Mathlib/RingTheory/Unramified/Local.lean

…lib4 into erd1/localUnramified

chrisflav

Thanks!

maintainer merge

github-actions · 2025-01-06T16:16:32Z

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

riccardobrasca · 2025-01-07T11:29:47Z

Thanks!

bors merge

Co-authored-by: Andrew Yang <[email protected]>

mathlib-bors · 2025-01-07T11:38:23Z

Pull request successfully merged into master.

Build succeeded:

* origin/master: (642 commits) feat: the Boolean subalgebra generated by the lattice generated by a set (#20440) feat: misc. lemmas about moments, tilted measures (#20150) chore(Algebra/Lie): make IsNilpotent and IsSolvable independent of scalars (#20556) feat(Combinatorics/SimpleGraph/Path): add `IsPath.getVert_injOn` (#19373) feat(Combinatorics/SimpleGraph): add lemmas about `spanningCoe` (#19377) chore: scope 'on' notation to Function (#20562) chore: disable docPrime linter (#20559) chore: deprecate MulRingNorm._ in favour of AbsoluteValue._ (#20557) fix(scripts/bench_summary): input jobID as a Nat, rather than a String (#20539) chore: move results about `DivisionMonoid` + `HasDistribNeg` (#20551) feat(NumberTheory/NumberField/Embeddings): definition of totally real field (#20542) chore(Noetherian/Artinian): generalize to Semiring (#20534) chore: protect `Filter.nhds_{iInf,inf}` (#20530) chore(AlgebraicTopology): move SplitSimplicialObject.lean (#20511) chore: extract 3 new files out of MeasureSpace (#20509) feat(RingTheory): Jacobian criterion for smoothness of local algebras (#20326) doc(RingTheory/Flat): add reference to Lambek's paper (#20266) feat(NumberTheory/AbelSummation): add more results (#19942) chore(Multilinear/Basic): generalize the `SMul` instance (#20536) feat(FDeriv/Equiv): generalize `HasFDerivAt.of_local_left_inverse` (#20516) feat(ContDiff): add `iteratedFDeriv_comp` (#20472) feat(LowerUpperTopology): add lemmas (#20465) feat(ContDiff): weaken some assumptions (#20368) fix(scripts/technical-debt-metric): avoid division by 0 (#20537) chore(Algebra/Ring): Clean up in SumsOfSquares and Semireal/Defs (#20528) feat(FTaylorSeries): add lemmas about `dist` between 0th and 1st derivs (#20089) feat: results on inner regularity of finite measures (#19780) chore: to_additive various results on groups, group actions (#20547) feat(Probability/Kernel): `Kernel.sectL` and `sectR` (#15466) chore(CategoryTheory/Limits/Fubini): relax universes constraints and weaken hypotheses (#20553) perf: remove `@[simp]` on `Fintype.card_of{IsEmpty,Subsingleton}` (#20524) fix(HashCommandLinter): remove unnecessary, broken workaround for tests (#20529) chore(Ideal/Basic): dependent generalization of `Ideal.pi` (#20535) feat(RingTheory): being unramified is a local property (#20323) chore(BooleanSubalgebra): use `IsSublattice` in `closure_sdiff_sup_induction` (#20439) feat(Order/SuccPred/CompleteLinearOrder): `⨆ a < x, succ a = x` (#19970) chore(*): replace `no_index (ofNat n)` with `ofNat(n)` everywhere (#20521) feat(CategoryTheory/Triangulated/Adjunction): the right adjoint of a triangulated functor is triangulated (#20255) chore(Order/SuccPred/LinearLocallyFinite): change data-creating instances to defs (#20235) chore: don't import algebra in `Data.Finset.Basic` (#19779) feat: initial segment commutes with `Iio` (#20503) chore(Measure/Pi): move parts to `MeasurableSpace/` (#20215) chore: smile more often (#20436) chore(Algebra/Category/MonCat/ForgetCorepresentable, Algebra/Group/Equiv/Basic): move definitions and add symmetric version (#20416) feat(GroupTheory/QuotientGroup): group correspondence theorem (#20007) doc: change "module homomorphism" to "linear map" (#20481) perf: improves the performance of the `Repr (Equiv.Perm α)` instance (1/4) (#20519) fix: do not keep only the first line of hints (#19756) feat(Analysis/Analytic): lemmas about `smul` for power series (#19816) chore: don't import algebra in `Data.Multiset.Basic` (#19775) ...

* origin/master: (80 commits) chore(CategoryTheory): remove data produced by tactic block (#20565) feat: `|∫ a, f a ∂μ| ≤ ∫ a, |f a| ∂μ` (#20540) feat: the Boolean subalgebra generated by the lattice generated by a set (#20440) feat: misc. lemmas about moments, tilted measures (#20150) chore(Algebra/Lie): make IsNilpotent and IsSolvable independent of scalars (#20556) feat(Combinatorics/SimpleGraph/Path): add `IsPath.getVert_injOn` (#19373) feat(Combinatorics/SimpleGraph): add lemmas about `spanningCoe` (#19377) chore: scope 'on' notation to Function (#20562) chore: disable docPrime linter (#20559) chore: deprecate MulRingNorm._ in favour of AbsoluteValue._ (#20557) fix(scripts/bench_summary): input jobID as a Nat, rather than a String (#20539) chore: move results about `DivisionMonoid` + `HasDistribNeg` (#20551) feat(NumberTheory/NumberField/Embeddings): definition of totally real field (#20542) chore(Noetherian/Artinian): generalize to Semiring (#20534) chore: protect `Filter.nhds_{iInf,inf}` (#20530) chore(AlgebraicTopology): move SplitSimplicialObject.lean (#20511) chore: extract 3 new files out of MeasureSpace (#20509) feat(RingTheory): Jacobian criterion for smoothness of local algebras (#20326) doc(RingTheory/Flat): add reference to Lambek's paper (#20266) feat(NumberTheory/AbelSummation): add more results (#19942) chore(Multilinear/Basic): generalize the `SMul` instance (#20536) feat(FDeriv/Equiv): generalize `HasFDerivAt.of_local_left_inverse` (#20516) feat(ContDiff): add `iteratedFDeriv_comp` (#20472) feat(LowerUpperTopology): add lemmas (#20465) feat(ContDiff): weaken some assumptions (#20368) fix(scripts/technical-debt-metric): avoid division by 0 (#20537) chore(Algebra/Ring): Clean up in SumsOfSquares and Semireal/Defs (#20528) feat(FTaylorSeries): add lemmas about `dist` between 0th and 1st derivs (#20089) feat: results on inner regularity of finite measures (#19780) chore: to_additive various results on groups, group actions (#20547) feat(Probability/Kernel): `Kernel.sectL` and `sectR` (#15466) chore(CategoryTheory/Limits/Fubini): relax universes constraints and weaken hypotheses (#20553) perf: remove `@[simp]` on `Fintype.card_of{IsEmpty,Subsingleton}` (#20524) fix(HashCommandLinter): remove unnecessary, broken workaround for tests (#20529) chore(Ideal/Basic): dependent generalization of `Ideal.pi` (#20535) feat(RingTheory): being unramified is a local property (#20323) chore(BooleanSubalgebra): use `IsSublattice` in `closure_sdiff_sup_induction` (#20439) feat(Order/SuccPred/CompleteLinearOrder): `⨆ a < x, succ a = x` (#19970) chore(*): replace `no_index (ofNat n)` with `ofNat(n)` everywhere (#20521) feat(CategoryTheory/Triangulated/Adjunction): the right adjoint of a triangulated functor is triangulated (#20255) chore(Order/SuccPred/LinearLocallyFinite): change data-creating instances to defs (#20235) chore: don't import algebra in `Data.Finset.Basic` (#19779) feat: initial segment commutes with `Iio` (#20503) chore(Measure/Pi): move parts to `MeasurableSpace/` (#20215) chore: smile more often (#20436) chore(Algebra/Category/MonCat/ForgetCorepresentable, Algebra/Group/Equiv/Basic): move definitions and add symmetric version (#20416) feat(GroupTheory/QuotientGroup): group correspondence theorem (#20007) doc: change "module homomorphism" to "linear map" (#20481) perf: improves the performance of the `Repr (Equiv.Perm α)` instance (1/4) (#20519) fix: do not keep only the first line of hints (#19756) ...

feat(RingTheory): being unramified is a local property

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github-actions bot added the large-import Automatically added label for PRs with a significant increase in transitive imports label Dec 29, 2024

erdOne requested a review from chrisflav December 29, 2024 13:29

github-actions bot added the t-algebra Algebra (groups, rings, fields, etc) label Dec 29, 2024

erdOne and others added 2 commits December 29, 2024 14:35

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Update Basic.lean

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erdOne added 5 commits January 6, 2025 15:28

move to new file

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fix again

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address comments

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Merge branch 'master' of https://github.com/leanprover-community/math…

c31fc5f

…lib4 into erd1/localUnramified

github-actions bot removed the large-import Automatically added label for PRs with a significant increase in transitive imports label Jan 6, 2025

Update Kaehler.lean

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mathlib-bors bot pushed a commit that referenced this pull request Jan 7, 2025

feat(RingTheory): being unramified is a local property (#20323)

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Co-authored-by: Andrew Yang <[email protected]>

mathlib-bors bot changed the title ~~feat(RingTheory): being unramified is a local property~~ [Merged by Bors] - feat(RingTheory): being unramified is a local property Jan 7, 2025

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mathlib-bors bot deleted the erd1/localUnramified branch January 7, 2025 11:38

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[Merged by Bors] - feat(RingTheory): being unramified is a local property #20323

[Merged by Bors] - feat(RingTheory): being unramified is a local property #20323

erdOne commented Dec 29, 2024

github-actions bot commented Dec 29, 2024 •

edited

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Declarations diff

chrisflav left a comment

github-actions bot commented Jan 6, 2025

riccardobrasca commented Jan 7, 2025

mathlib-bors bot commented Jan 7, 2025

[Merged by Bors] - feat(RingTheory): being unramified is a local property #20323

[Merged by Bors] - feat(RingTheory): being unramified is a local property #20323

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erdOne commented Dec 29, 2024

github-actions bot commented Dec 29, 2024 • edited Loading

PR summary 35916247f0

Import changes for modified files

Declarations diff

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github-actions bot commented Jan 6, 2025

riccardobrasca commented Jan 7, 2025

mathlib-bors bot commented Jan 7, 2025

github-actions bot commented Dec 29, 2024 •

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