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chore: remove June 2025 deprecated declarations file-removed A Lean module was (re)moved without a `deprecated_module` annotation tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip WIP Work in progress
#33429 opened Dec 31, 2025 by Parcly-Taxel Loading…
doc(MeasureTheory): fix file refs t-measure-probability Measure theory / Probability theory
#33428 opened Dec 31, 2025 by harahu Loading…
ci: shorten bors timeout to 2 hours
#33427 opened Dec 31, 2025 by bryangingechen Loading…
chore: update Mathlib dependencies 2025-12-31 dependency-bump This PR bumps the version of an upstream dependency (but not toolchain).
#33426 opened Dec 31, 2025 by mathlib4-update-dependencies-bot Loading…
feat: complex exponential is a covering map blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot)
#33425 opened Dec 31, 2025 by urkud Loading…
3 tasks
ci: run check-lean4checker on self-hosted runner CI Modifies the continuous integration setup or other automation
#33424 opened Dec 31, 2025 by bryangingechen Loading…
feat: add an explicit trivialization for Complex.exp t-analysis Analysis (normed *, calculus)
#33423 opened Dec 31, 2025 by urkud Loading…
feat(Homotopy/Lifting): add a lemma about IsCoveringMapOn t-topology Topological spaces, uniform spaces, metric spaces, filters
#33422 opened Dec 31, 2025 by urkud Loading…
chore(Algebra/Order/Floor): review API about round, add continuity lemmas maintainer-merge A reviewer has approved the changed; awaiting maintainer approval.
#33421 opened Dec 31, 2025 by urkud Loading…
feat: OrderTypes 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-order Order theory
#33420 opened Dec 31, 2025 by YanYablonovskiy Draft
feat: Have equality form for #t - #s in addition to the inequality 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)
#33419 opened Dec 31, 2025 by R-Peleg Loading…
refactor(RingTheory/Ideal/Basic): clean up proofs t-algebra Algebra (groups, rings, fields, etc) t-ring-theory Ring theory
#33418 opened Dec 31, 2025 by tb65536 Loading…
feat: {Continuous}Linear{Isometry}Equiv.conj{Continuous, Star}AlgEquiv are "almost" injective 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)
#33417 opened Dec 31, 2025 by themathqueen Loading…
1 task
chore(Order/GameAdd): add elab_as_elim attributes t-order Order theory
#33416 opened Dec 31, 2025 by vihdzp Loading…
chore(Analysis/SchwartzSpace): explicit variables for derivCLM and fderivCLM t-analysis Analysis (normed *, calculus)
#33415 opened Dec 30, 2025 by mcdoll Loading…
feat(Topology/Separation/NotNormal): generalize to non-separable spaces t-topology Topological spaces, uniform spaces, metric spaces, filters
#33414 opened Dec 30, 2025 by peakpoint Loading…
feat(Analysis/DiscreteConvolution): Discrete convolution API basics new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-analysis Analysis (normed *, calculus)
#33411 opened Dec 30, 2025 by IlPreteRosso Loading…
feat(LinearAlgebra/AffineSpace/Ceva): Ceva's theorem t-algebra Algebra (groups, rings, fields, etc)
#33409 opened Dec 30, 2025 by jsm28 Loading…
feat: add basics of majorization blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot)
#33406 opened Dec 30, 2025 by dupuisf Loading…
1 task
chore(Algebra): move LinearMap.mul{Left, Right, LeftRight} to earlier file t-algebra Algebra (groups, rings, fields, etc)
#33405 opened Dec 30, 2025 by themathqueen Loading…
feat(Analysis/SchwartzSpace): scalar multiplication with linear factors t-analysis Analysis (normed *, calculus)
#33404 opened Dec 30, 2025 by mcdoll Loading…
1 task done
feat(LinearAlgebra/Transvection/Generation): prove exceptional case in Dieudonné's theorem 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-algebra Algebra (groups, rings, fields, etc)
#33402 opened Dec 30, 2025 by AntoineChambert-Loir Loading…
5 tasks
feat: IsStrictOrderedRing (Lex R⟦Γ⟧) delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). large-import Automatically added label for PRs with a significant increase in transitive imports t-ring-theory Ring theory
#33398 opened Dec 30, 2025 by vihdzp Loading…
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