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Pull requests: leanprover-community/mathlib4

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Pull requests list

feat(Combinatorics/SimpleGraph/EdgeColoring): create a basic edge-coloring API blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) large-import Automatically added label for PRs with a significant increase in transitive imports t-combinatorics Combinatorics
#33313 opened Dec 26, 2025 by SnirBroshi Loading…
1 task
feat(Polynomial/Chebyshev): formulas for iterated derivatives of T and U at 1 blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot)
#33312 opened Dec 26, 2025 by YuvalFilmus Loading…
2 tasks
feat(RingTheory/WittVector): isomorphism of Witt vectors mod p with base ring awaiting-author A reviewer has asked the author a question or requested changes. new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-ring-theory Ring theory
#33310 opened Dec 26, 2025 by sglasman Loading…
feat(Topology.GDelta.Basic): add helpers for IsMeagre large-import Automatically added label for PRs with a significant increase in transitive imports new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-topology Topological spaces, uniform spaces, metric spaces, filters
#33308 opened Dec 26, 2025 by LTolDe Loading…
Orientable manifolds updated t-differential-geometry Manifolds etc WIP Work in progress
#33307 opened Dec 26, 2025 by grunweg Loading…
feat(Polynomial/Derivative): formulas for iterated derivatives of P * X^m t-algebra Algebra (groups, rings, fields, etc)
#33306 opened Dec 26, 2025 by YuvalFilmus Loading…
doc(GroupTheory): fix file refs t-group-theory Group theory
#33305 opened Dec 26, 2025 by harahu Loading…
doc(CategoryTheory): fix file refs t-category-theory Category theory
#33304 opened Dec 26, 2025 by harahu Draft
chore(Algebra/Central/End): generalize Algebra.IsCentral.instEnd t-algebra Algebra (groups, rings, fields, etc)
#33301 opened Dec 26, 2025 by themathqueen Loading…
feat: a finite space is Baire. large-import Automatically added label for PRs with a significant increase in transitive imports t-topology Topological spaces, uniform spaces, metric spaces, filters
#33300 opened Dec 26, 2025 by CoolRmal Loading…
feat: Add decidable membership for Interval new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-order Order theory
#33299 opened Dec 26, 2025 by kingiler Loading…
chore: mark Ordinal.enumOrd with no_expose easy < 20s of review time. See the lifecycle page for guidelines. t-set-theory Set theory
#33298 opened Dec 26, 2025 by vihdzp Loading…
feat(Algebra/Polynomial/Roots): add card_rootSet_le large-import Automatically added label for PRs with a significant increase in transitive imports t-algebra Algebra (groups, rings, fields, etc)
#33297 opened Dec 26, 2025 by tb65536 Loading…
feat(Algebra/Central/End): center of endomorphisms of a free module t-algebra Algebra (groups, rings, fields, etc)
#33295 opened Dec 26, 2025 by AntoineChambert-Loir Loading…
refactor: deprecate Ordinal.IsNormal for Order.IsNormal delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). t-order Order theory t-set-theory Set theory
#33294 opened Dec 26, 2025 by vihdzp Loading…
feat(Combinatorics/SimpleGraphs/LineGraph): lift copies/isomorphisms to line-graph large-import Automatically added label for PRs with a significant increase in transitive imports t-combinatorics Combinatorics
#33292 opened Dec 25, 2025 by SnirBroshi Loading…
refactor(Computability): File for state transition systems t-computability Computability theory (TMs, DFAs, languages, grammars, etc)
#33291 opened Dec 25, 2025 by BoltonBailey Loading…
chore: golf using grind and simp
#33290 opened Dec 25, 2025 by euprunin Loading…
feat(Analysis/SpecialFunctions/Integrals): add ∫ x : ℝ in a..b, (c ^ 2 + x ^ 2)⁻¹ new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-analysis Analysis (normed *, calculus)
#33289 opened Dec 25, 2025 by michelsol Loading…
chore(Combinatorics/SimpleGraph/Paths): review API t-combinatorics Combinatorics
#33288 opened Dec 25, 2025 by vihdzp Loading…
feat(CategoryTheory/Sites): more API for IsSheafFor maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. t-category-theory Category theory
#33287 opened Dec 25, 2025 by joelriou Loading…
chore: golf using grind
#33286 opened Dec 25, 2025 by euprunin Loading…
ProTip! no:milestone will show everything without a milestone.