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Pull requests list

feat(LinearAlgebra/Alternating): add map_eq_zero_of_card_lt t-algebra Algebra (groups, rings, fields, etc)
#34052 opened Jan 16, 2026 by JohnnyTeutonic Loading…
1
chore: more cancelling pairs
#34051 opened Jan 16, 2026 by adomani Loading…
1
feat(GraphTheory): Graham-Pollak theorem awaiting-author A reviewer has asked the author a question or requested changes. t-combinatorics Combinatorics WIP Work in progress
#34050 opened Jan 16, 2026 by Julian Loading…
2
fix: defeq abuse in WithVal
#34049 opened Jan 16, 2026 by smmercuri Loading…
1
feat(Algebra/Polynomial/Splits): generalize Splits.of_splits_map to injective ring homomorphisms awaiting-CI This PR doesn't pass CI yet. This label is automatically removed once it does. t-algebra Algebra (groups, rings, fields, etc) t-ring-theory Ring theory
#34048 opened Jan 16, 2026 by tb65536 Loading…
1
chore: deprecate Analysis/Normed/Order/Basic t-analysis Analysis (normed *, calculus)
#34047 opened Jan 16, 2026 by grunweg Loading…
1
feat(Algebra/Polynomial/Splits): add Splits.image_rootSet_of_monic awaiting-CI This PR doesn't pass CI yet. This label is automatically removed once it does. t-algebra Algebra (groups, rings, fields, etc) t-ring-theory Ring theory
#34046 opened Jan 16, 2026 by tb65536 Loading…
1
feat: algebraMap K L is uniform continuous with respect to adic topologies, when the ideal w of L lies above v blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) FLT part of the ongoing formalization of Fermat's Last Theorem
#34045 opened Jan 16, 2026 by smmercuri Loading…
1 task
2
feat(Chebyshev/RootsExtrema): Irrationality of roots of Chebyshev T (other than zero) large-import Automatically added label for PRs with a significant increase in transitive imports
#34044 opened Jan 16, 2026 by YuvalFilmus Loading…
1
chore: deprecate Data/Tree/RBMap easy < 20s of review time. See the lifecycle page for guidelines. large-import Automatically added label for PRs with a significant increase in transitive imports t-data Data (lists, quotients, numbers, etc) tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#34043 opened Jan 16, 2026 by grunweg Loading…
1
feat(to_dual): use the new to_dual_cast framework blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot)
#34042 opened Jan 16, 2026 by JovanGerb Loading…
1 task
1
feat(LinearAlgebra/Matrix/Permutation): permMatrix as a homomorphism awaiting-CI This PR doesn't pass CI yet. This label is automatically removed once it does. t-algebra Algebra (groups, rings, fields, etc)
#34041 opened Jan 16, 2026 by tb65536 Loading…
1
feat: generalize HasCompl.compl image/preimage lemmas to Involutive t-data Data (lists, quotients, numbers, etc)
#34040 opened Jan 16, 2026 by Ruben-VandeVelde Loading…
1
feat(finiteness): support finiteness [h, h'] syntax t-meta Tactics, attributes or user commands
#34039 opened Jan 16, 2026 by grunweg Loading…
2
feat(scripts/autolabel): allow up to 3 topic labels to be added CI Modifies the continuous integration setup or other automation
#34038 opened Jan 16, 2026 by joneugster Loading…
1
doc(Chebyshev): update TODO easy < 20s of review time. See the lifecycle page for guidelines. ready-to-merge This PR has been sent to bors.
#34037 opened Jan 16, 2026 by YuvalFilmus Loading…
3
feat(Topology/Sets): range of NonemptyCompacts.toCompacts easy < 20s of review time. See the lifecycle page for guidelines. t-topology Topological spaces, uniform spaces, metric spaces, filters
#34036 opened Jan 16, 2026 by gasparattila Loading…
2
feat(Order): add OrderType definitions new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-order Order theory
#34034 opened Jan 16, 2026 by YanYablonovskiy Loading…
2 tasks
21
feat(Asymptotics/TVS): define IsThetaTVS awaiting-author A reviewer has asked the author a question or requested changes. t-analysis Analysis (normed *, calculus)
#34033 opened Jan 16, 2026 by urkud Loading…
4
feat(Order/Filter/Extr): local minimum and local maximum implies const delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). easy < 20s of review time. See the lifecycle page for guidelines. ready-to-merge This PR has been sent to bors. t-order Order theory
#34032 opened Jan 16, 2026 by b-mehta Loading…
5
feat(Dynamics/BirkhoffSum): add the maximal ergodic theorem blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-dynamics Dynamical Systems
#34031 opened Jan 16, 2026 by lua-vr Loading…
3 tasks
3
feat(Integral/Bochnet/Set): add setIntegral_compl₀ ready-to-merge This PR has been sent to bors. t-measure-probability Measure theory / Probability theory
#34030 opened Jan 16, 2026 by lua-vr Loading…
3
feat(Order/PartialSups): add exists_partialSups_eq t-order Order theory
#34029 opened Jan 16, 2026 by lua-vr Loading…
1
feat(SimpleGraph): add max-flow/min-cut weak duality new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-combinatorics Combinatorics
#34028 opened Jan 16, 2026 by floor-licker Loading…
2
chore(Analysis/Distribution): split off derivatives from SchwartzSpace and create new folder file-removed A Lean module was (re)moved without a `deprecated_module` annotation t-analysis Analysis (normed *, calculus) tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#34027 opened Jan 16, 2026 by mcdoll Loading…
2
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