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[Merged by Bors] - chore(NumberTheory/NumberField/AdeleRing): refactor adele rings#20500

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[Merged by Bors] - chore(NumberTheory/NumberField/AdeleRing): refactor adele rings#20500
kbuzzard wants to merge 1 commit intomasterfrom
kbuzzard-adele-refactor

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@kbuzzard kbuzzard commented Jan 5, 2025

The current AdeleRing ℚ explicitly involves 𝓞 ℚ and is not much fun to work with. This PR enables AdeleRing ℤ ℚ.


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@kbuzzard kbuzzard added t-number-theory Number theory (also use t-algebra or t-analysis to specialize) t-algebra Algebra (groups, rings, fields, etc) labels Jan 5, 2025
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github-actions bot commented Jan 5, 2025

PR summary d4abfe627f

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ instance : Algebra K (AdeleRing R K) := Prod.algebra _ _ _
+ instance : CommRing (AdeleRing R K) := Prod.instCommRing
+ instance : Inhabited (AdeleRing R K) := ⟨0⟩
+ instance : TopologicalRing (AdeleRing R K) := instTopologicalRingProd
+ instance : TopologicalSpace (AdeleRing R K) := instTopologicalSpaceProd
- instance : Algebra K (AdeleRing K) := Prod.algebra _ _ _
- instance : CommRing (AdeleRing K) := Prod.instCommRing
- instance : Inhabited (AdeleRing K) := ⟨0⟩
- instance : TopologicalRing (AdeleRing K) := instTopologicalRingProd
- instance : TopologicalSpace (AdeleRing K) := instTopologicalSpaceProd

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).

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maintainer merge

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github-actions bot commented Jan 6, 2025

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

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Jan 6, 2025
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Thanks!

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 6, 2025
mathlib-bors bot pushed a commit that referenced this pull request Jan 6, 2025
The current `AdeleRing ℚ` explicitly involves `𝓞 ℚ`  and is not much fun to work with. This PR enables `AdeleRing ℤ ℚ`.
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mathlib-bors bot commented Jan 6, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title chore(NumberTheory/NumberField/AdeleRing): refactor adele rings [Merged by Bors] - chore(NumberTheory/NumberField/AdeleRing): refactor adele rings Jan 6, 2025
@mathlib-bors mathlib-bors bot closed this Jan 6, 2025
@mathlib-bors mathlib-bors bot deleted the kbuzzard-adele-refactor branch January 6, 2025 07:10
Julian added a commit that referenced this pull request Jan 6, 2025
* origin/master: (189 commits)
  chore(Algebra): make more names consistent (#20449)
  feat: Polynomial FLT (#18882)
  feat: A disjoint union is finite iff all sets are finite, and all but finitely many are empty (#20457)
  fix: linkfix in 100.yaml (#20517)
  feat(1000): fill in more entries (#20470)
  feat(Combinatorics/SimpleGraph/Walk): add `penultimate` and `snd` (#16769)
  feat(ContinuousMultilinearMap): add lemmas about `.prod` (#20462)
  feat(RingTheory): classification of etale algebras over fields (#20324)
  fix: Allow multiple builds on staging branch (#20515)
  feat(CategoryTheory/Shift/Adjunction): properties of `Adjunction.CommShift` (#20337)
  chore(Data/Multiset/Basic): move the `sub`, `union`, `inter` sections lower (#19863)
  chore(Topology/UniformSpace/Completion): make coe' argument implicit (#20514)
  refactor(Algebra/Category/Grp/Colimits): change the construction of colimits in `AddCommGrp` (#20474)
  feat(Topology/Algebra/InfiniteSum/NatInt): Add pnat lems (#16544)
  chore(RingTheory/Finiteness): rename Module.Finite.out (#20506)
  refactor(CategoryTheory/Limits/Preserves/Ulift): simplify the proof that the universe lifting functor for types preserves all colimits (#20508)
  feat(CategoryTheory): products in the category of Ind-objects (#20507)
  chore: remove >9 month old deprecations (#20505)
  chore(FieldTheory/Galois): small cleanup (#20217)
  chore(LinearIndependent): generalize to semirings (#20480)
  chore(NumberTheory/NumberField/AdeleRing): refactor adele rings (#20500)
  chore: replace `aesop` with `simp` where possible (#20483)
  chore(1000): remove nonexistent fields (#20493)
  chore(CategoryTheory/Adjunction.Basic, CategoryTheory/Equivalence): change definition of `Adjunction.comp` and `Equivalence.trans` (#20490)
  feat(Asymptotics): add `Asymptotics.*.*Prod` lemmas (#20458)
  feat: a conditional kernel is almost everywhere a probability measure (#20430)
  feat: if `f` is a measurable group hom, then every point has a neighborhood `s` such that `f '' s` is bounded (#20304)
  feat: `Ico`, `Ioc`, and `Ioo` are not closed or compact (#20479)
  chore: drop redundant hypothesis in `Module.Dual.eq_of_preReflection_mapsTo` (#20492)
  feat(FaaDiBruno): derive `DecidableEq` (#20482)
  chore(SetTheory/Ordinal/Basic): `{x // x < y}` → `Iio y` (#20413)
  chore: generalize `FormalMultilinearSeries.ofScalars_norm` to `Seminormed` (#20351)
  chore(MvPolynomial/Localization): golf using TensorProduct (#20309)
  chore(Combinatorics/Enumerative/Partition): auto-derive DecidableEq (#20277)
  chore(CategoryTheory): make relevant parameters explicit in `Arrow.homMk`. (#20259)
  feat: add `IsStarNormal (↑x⁻¹ : R)` instance for `x : Rˣ` (#20091)
  fix: Stop cancelling builds of master (#20435)
  chore: update Mathlib dependencies 2025-01-05 (#20485)
  feat(SetTheory/Cardinal/Arithmetic): miscellaneous cardinality lemmas (#18933)
  chore: bump toolchain to v4.16.0-rc1, and merge bump/v4.16.0 (#20464)
  chore: bot validates lean-toolchain on bump/v4.X.0 branches (#20478)
  feat: shorthand lemmas for the L1 norm (#20383)
  chore: remove unnecessary adaptation notes (#20467)
  chore(Algebra/Category/MonCat/Colimits): remove smallness condition (#20473)
  chore(SetTheory/Ordinal/Arithmetic): `IsLeftCancelAdd Ordinal` (#19888)
  feat(Algebra): more on `OrthogonalIdempotents` (#18195)
  feat(Radical): `(radical a).natDegree ≤ a.natDegree` (#20468)
  feat(Polynomial): `(a^n)' = 0` iff `a' = 0` when `n` doesn't divide the characteristic (#20190)
  feat(Algebra/Lie): add Lie's theorem (#13480)
  chore(RingTheory/Generators): make algebra instance a def (#14265)
  ...
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