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[Merged by Bors] - feat(AlgebraicGeometry): scheme-theoretic fibre#19427

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[Merged by Bors] - feat(AlgebraicGeometry): scheme-theoretic fibre#19427
erdOne wants to merge 13 commits intomasterfrom
erd1/fiber

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@erdOne erdOne commented Nov 23, 2024


Open in Gitpod

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github-actions bot commented Nov 23, 2024

PR summary b2edbf7fe8

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.AlgebraicGeometry.Morphisms.FiniteType 1845 1859 +14 (+0.76%)
Mathlib.AlgebraicGeometry.Morphisms.ClosedImmersion 1872 1883 +11 (+0.59%)
Mathlib.RingTheory.Spectrum.Prime.Noetherian 1479 1483 +4 (+0.27%)
Import changes for all files
Files Import difference
Mathlib.AlgebraicGeometry.Noetherian Mathlib.RingTheory.Spectrum.Prime.Noetherian 4
3 files Mathlib.AlgebraicGeometry.RationalMap Mathlib.AlgebraicGeometry.SpreadingOut Mathlib.AlgebraicGeometry.ValuativeCriterion
10
8 files Mathlib.AlgebraicGeometry.Morphisms.ClosedImmersion Mathlib.AlgebraicGeometry.Morphisms.Finite Mathlib.AlgebraicGeometry.Morphisms.Immersion Mathlib.AlgebraicGeometry.Morphisms.Integral Mathlib.AlgebraicGeometry.Morphisms.Proper Mathlib.AlgebraicGeometry.Morphisms.Separated Mathlib.AlgebraicGeometry.Morphisms.UniversallyClosed Mathlib.AlgebraicGeometry.ProjectiveSpectrum.Proper
11
Mathlib.AlgebraicGeometry.Morphisms.FiniteType 14
Mathlib.AlgebraicGeometry.Fiber (new file) 2028

Declarations diff

+ IsFinite.finite_preimage_singleton
+ LocallyOfFiniteType.jacobsonSpace
+ QuasiCompact.isCompact_preimage_singleton
+ Scheme.Hom.asFiber
+ Scheme.Hom.discrete_fiber
+ Scheme.Hom.fiber
+ Scheme.Hom.fiberHomeo
+ Scheme.Hom.fiberHomeo_apply
+ Scheme.Hom.fiberOverSpecResidueField
+ Scheme.Hom.fiberToSpecResidueField
+ Scheme.Hom.fiberToSpecResidueField_apply
+ Scheme.Hom.fiberι
+ Scheme.Hom.fiberι_asFiber
+ Scheme.Hom.fiberι_fiberHomeo_symm
+ Scheme.Hom.finite_preimage
+ Scheme.Hom.range_fiberι
+ instance (f : X ⟶ Y) (y : Y) : IsPreimmersion (f.fiberι y)
+ instance (f : X ⟶ Y) (y : Y) [IsFinite f] : Finite (f.fiber y) := by
+ instance (f : X ⟶ Y) (y : Y) [LocallyOfFiniteType f] : JacobsonSpace (f.fiber y)
+ instance (f : X ⟶ Y) [IsAffineHom f] (y : Y) : IsAffine (f.fiber y)
+ instance (f : X ⟶ Y) [QuasiCompact f] (y : Y) : CompactSpace (f.fiber y)
+ instance (f : X.Hom Y) (y : Y) : (f.fiber y).CanonicallyOver X where hom := f.fiberι y
+ instance : DiscreteTopology (PrimeSpectrum R)
+ instance : Finite (PrimeSpectrum R)
+ instance {R : CommRingCat} [IsJacobsonRing R] : JacobsonSpace (Spec R)
+ instance {R} [CommRing R] [IsJacobsonRing R] : JacobsonSpace (Spec (.of R))
- isSurjectiveOnStalks_isLocalAtTarget

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).

@erdOne erdOne added the t-algebraic-geometry Algebraic geometry label Nov 24, 2024
@chrisflav chrisflav added the awaiting-author A reviewer has asked the author a question or requested changes. label Nov 25, 2024
@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Nov 25, 2024
@leanprover-community-bot-assistant leanprover-community-bot-assistant removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Nov 26, 2024
@erdOne erdOne removed the awaiting-author A reviewer has asked the author a question or requested changes. label Dec 28, 2024
@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jan 2, 2025
@leanprover-community-bot-assistant leanprover-community-bot-assistant removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jan 9, 2025
@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jan 15, 2025
@leanprover-community-bot-assistant leanprover-community-bot-assistant removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jan 17, 2025
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Sorry, I forgot about this one.

@chrisflav chrisflav added the awaiting-author A reviewer has asked the author a question or requested changes. label Jan 18, 2025
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Thanks!

maintainer merge

@chrisflav chrisflav removed the awaiting-author A reviewer has asked the author a question or requested changes. label Jan 18, 2025
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🚀 Pull request has been placed on the maintainer queue by chrisflav.

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Jan 18, 2025
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Thanks!

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Jan 18, 2025
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mathlib-bors bot commented Jan 18, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(AlgebraicGeometry): scheme-theoretic fibre [Merged by Bors] - feat(AlgebraicGeometry): scheme-theoretic fibre Jan 18, 2025
@mathlib-bors mathlib-bors bot closed this Jan 18, 2025
@mathlib-bors mathlib-bors bot deleted the erd1/fiber branch January 18, 2025 20:53
Julian added a commit that referenced this pull request Jan 20, 2025
* polynomial-sequences: (149 commits)
  Aha, here's how to get Lean to stop showing S.elems' in the infoview.
  Try satisfying the linter gods again.
  Probably enough initial tidying to send the PR.
  Kill more temporary names.
  Touch more natDegree.
  Does protected satisfy the docstring linter?
  Bit shorter.
  More
  Quiet linters.
  Remove redundant imports.
  Copyright header and more twiddling.
  Rename lemma to 'degree_smul_of_leadingCoeff_rightRegular' and split out
  feat(Polynomial): polynomial sequences are bases for R[X]
  chore(Dynamics/PeriodicPts): don't import `MonoidWithZero` (#20765)
  chore(Associated): split out `Ring` results (#20737)
  feat(AlgebraicGeometry): flat morphisms of schemes (#19790)
  feat(AlgebraicGeometry): scheme-theoretic fibre (#19427)
  chore: split Mathlib.Analysis.Asymptotics.Asymptotics (#20785)
  doc: typo (#20829)
  feat(CategoryTheory): condition for an induced functor between comma categories to be final  (#20139)
  feat(1000.yaml): allow statements of theorems also (#20637)
  feat(Algebra/Homology/Embedding): homology of truncGE' (#19570)
  chore: cleanup many porting notes in Combinatorics (#20823)
  chore: eliminate porting notes about `deriving Fintype` (#20820)
  feat(Algebra/Lie): a Lie algebra is solvable iff it is solvable after faithfully flat base change (#20808)
  feat: define bases of root pairings (#20667)
  feat(Tactic): basic ConcreteCategory support for elementwise (#20811)
  feat(CategoryTheory): define unbundled `ConcreteCategory` class  (#20810)
  chore(CategoryTheory): rename `ConcreteCategory` to `HasForget` (#20809)
  feat: `CommSemiring (NonemptyInterval ℚ≥0)` (#20783)
  chore(yaml_check.py): re-format (#20807)
  feat: elementary estimate for Real.log (#20766)
  feat: definition of linear topologies (#14990)
  feat(RingTheory): flatness over a semiring (#19115)
  feat(Algebra/Homology/Embedding): the canonical truncation truncLE (#19550)
  feat(Algebra/Homology/Embedding): API for the homology of an extension of homological complex (#19203)
  feat(Algebra/Ring): `RingEquiv.piUnique` (#20794)
  feat(RingTheory/LocalRing): add instance `Unique (MaximalSpectrum R)` for a local ring `R` (#20801)
  chore(GroupExtension/Defs): define `Section` and redefine `Splitting` (#20802)
  chore: restore `def` to `adicCompletion` (#20796)
  refactor: rename `UniqueContinuousFunctionalCalculus` to `ContinuousMap.UniqueHom` (#20643)
  feat(Algebra/Homology/Embedding): the morphism from a complex to its `truncGE` truncation (#19544)
  chore(Mathlib/Computability/TuringMachine): split file (#20790)
  feat(Data/Finset/Card): add `InjOn` and `SurjOn` versions of finset cardinality lemmas (#20753)
  feat(Order/WellFoundedSet): add convenience constructors for IsWF and IsPWO for WellFoundedLT types (#20752)
  feat(Set/Finite): a set is finite if its image and fibers are finite (#20751)
  chore: cleanup .gitignore files (#20795)
  feat(Topology/Group/Profinite):  Profinite group is limit of finite group (#16992)
  feat(Combinatorics/SimpleGraph): vertices in cycles (#20602)
  CI: merge `bot_fix_style` actions (#20789)
  ...
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4 participants