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Pull requests: leanprover-community/mathlib4

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Pull requests list

feat(CategoryTheory/Limits/Shapes/Pullback/Categorical): Categorical pullback squares t-category-theory Category theory
#27214 opened Jul 16, 2025 by robin-carlier Loading…
1 task
1
feat(Valuation/DiscreteValuationRel): val relations with compatible valuations to Zm0 are IsDiscrete blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-algebra Algebra (groups, rings, fields, etc) t-analysis Analysis (normed *, calculus) t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#27213 opened Jul 16, 2025 by pechersky Loading…
3 tasks
2
Cot series iterated deriv within
#27212 opened Jul 16, 2025 by CBirkbeck • Draft
1
feat: Inhabited (Fin n ↪o ℕ) instance maintainer-merge t-order Order theory
#27211 opened Jul 16, 2025 by Ruben-VandeVelde Loading…
3
feat: MonoidHom.toHomUnits is a monoid hom large-import Automatically added label for PRs with a significant increase in transitive imports t-algebra Algebra (groups, rings, fields, etc) toric Part of the ongoing formalisation of toric varieties
#27210 opened Jul 16, 2025 by YaelDillies Loading…
1
Add itereatedDerivWithin version of zpow lemmas t-analysis Analysis (normed *, calculus)
#27209 opened Jul 16, 2025 by CBirkbeck • Draft
1
feat(Order): StrictMono.denselyOrdered_range easy < 20s of review time. See the lifecycle page for guidelines. maintainer-merge t-order Order theory
#27208 opened Jul 16, 2025 by pechersky Loading…
5
feat(Topology/WithVal): ValuativeRel (WithVal v) t-algebra Algebra (groups, rings, fields, etc) t-topology Topological spaces, uniform spaces, metric spaces, filters
#27207 opened Jul 16, 2025 by pechersky Loading…
1
feat(CategoryTheory/Adjunction): partial adjoints are adjoints t-category-theory Category theory
#27206 opened Jul 16, 2025 by grhkm21 Loading…
1
feat: coercing to an AlgHom then RingHom t-algebra Algebra (groups, rings, fields, etc) toric Part of the ongoing formalisation of toric varieties
#27205 opened Jul 16, 2025 by YaelDillies Loading…
1
feat: Algebra.linearMap R R = .id easy < 20s of review time. See the lifecycle page for guidelines. t-algebra Algebra (groups, rings, fields, etc) toric Part of the ongoing formalisation of toric varieties
#27204 opened Jul 16, 2025 by YaelDillies Loading…
1
feat: define IsKolmogorovProcess maintainer-merge t-measure-probability Measure theory / Probability theory
#27202 opened Jul 16, 2025 by RemyDegenne Loading…
13
feat(RingTheory/Ideal): oka predicates over ideals new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-algebra Algebra (groups, rings, fields, etc)
#27200 opened Jul 16, 2025 by rotarc75 Loading…
1
feat(MonoidAlgebra): miscellaneous basic lemmas t-algebra Algebra (groups, rings, fields, etc) toric Part of the ongoing formalisation of toric varieties
#27199 opened Jul 16, 2025 by YaelDillies Loading…
1
feat(CategoryTheory/Monoidal/DayConvolution): the Yoneda embedding is monoidal (for Day convolution) blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) file-removed A Lean module was (re)moved without a `deprecated_module` annotation t-category-theory Category theory
#27198 opened Jul 16, 2025 by robin-carlier Loading…
2 tasks
2
feat(Topology): IsCoveringMapOn open set blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-topology Topological spaces, uniform spaces, metric spaces, filters WIP Work in progress
#27197 opened Jul 16, 2025 by alreadydone • Draft
1 task
2
refactor(Polynomial/Bivariate): swap X and Y for improved notation t-algebra Algebra (groups, rings, fields, etc) toric Part of the ongoing formalisation of toric varieties
#27196 opened Jul 16, 2025 by YaelDillies Loading…
1
feat(Analysis/InnerProductSpace/Positive): add theorem LinearMap.IsPositive.adjoint_eq t-analysis Analysis (normed *, calculus)
#27195 opened Jul 16, 2025 by IvanRenison Loading…
1
feat: a finite monoid algebra is a finite module t-algebra Algebra (groups, rings, fields, etc)
#27194 opened Jul 16, 2025 by YaelDillies Loading…
3
feat: covarianceBilin lemmas awaiting-author A reviewer has asked the author a question or requested changes. t-measure-probability Measure theory / Probability theory
#27192 opened Jul 16, 2025 by RemyDegenne Loading…
4
feat(Finsupp): single a (m₁ + m₂) b = single a m₁ b + single a m₂ b t-algebra Algebra (groups, rings, fields, etc) t-data Data (lists, quotients, numbers, etc) toric Part of the ongoing formalisation of toric varieties
#27191 opened Jul 16, 2025 by YaelDillies Loading…
1
feat(Data/Matrix): matrices with entries in a set new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-data Data (lists, quotients, numbers, etc)
#27190 opened Jul 16, 2025 by bwangpj Loading…
5
feat(ProbabilityTheory): Conditional Jensen's Inequality new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
#27188 opened Jul 16, 2025 by CoolRmal • Draft
1
feat: NONote represents ordinals < ε₀ t-set-theory Set theory WIP Work in progress
#27187 opened Jul 16, 2025 by Komyyy Loading…
1
chore(Order/Concept): golf ext(') easy < 20s of review time. See the lifecycle page for guidelines. t-order Order theory
#27186 opened Jul 16, 2025 by tristan-f-r Loading…
1
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