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Pull requests list

fix: add an adaptation note as a followup to the 4.33.0-rc1 bump t-category-theory Category theory
#41837 opened Jul 16, 2026 by vlad902 Collaborator Loading…
1
doc(RingTheory/MvPowerSeries/Evaluation): typo fix it to if easy < 20s of review time. See the lifecycle page for guidelines. new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-ring-theory Ring theory
#41836 opened Jul 16, 2026 by danderson70-UNL Loading…
3
feat: add orbitRel.Quotient.quotient_smul_eq and Homeomorph.smul_symm new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
#41835 opened Jul 16, 2026 by pepamontero Contributor Loading…
7
doc(Topology/Algebra/InfiniteSum/NatInt): change typo a+b to a*b easy < 20s of review time. See the lifecycle page for guidelines. 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
#41834 opened Jul 16, 2026 by danderson70-UNL Loading…
4
doc(Algebra/Polynomial/Degree): fix typo of leading coefficient easy < 20s of review time. See the lifecycle page for guidelines. 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)
#41833 opened Jul 16, 2026 by danderson70-UNL Loading…
4
feat(Geometry/Manifold/Algebra/SMul): scalar multiplication by a group element is a diffeomorphism new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-differential-geometry Manifolds etc
#41832 opened Jul 16, 2026 by pepamontero Contributor Loading…
2
chore(RingTheory/TwoSidedIdeal): rid the SMulMemClass (TwoSidedIdeal R) Rᵐᵒᵖ R instance from its inst t-ring-theory Ring theory
#41831 opened Jul 16, 2026 by YaelDillies Contributor Loading…
1
feat(Data/PFun): add lemmas for ran, restrict, map, image and preimage t-data Data (lists, quotients, numbers, etc)
#41830 opened Jul 16, 2026 by Jun2M Collaborator Loading…
2
chore: explicitly specify free universes in ModuleCat t-algebra Algebra (groups, rings, fields, etc)
#41829 opened Jul 16, 2026 by felixpernegger Contributor Loading…
10
feat(RingTheory/HopfAlgebra/Basic): add ofAntipodeOfAdjoin new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-ring-theory Ring theory
#41828 opened Jul 16, 2026 by archiebrowne Contributor Loading…
2
feat(LinearAlgebra/TensorProduct): port lifts API from PiTensorProduct 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)
#41827 opened Jul 16, 2026 by mpacholski • Draft
2
ci: don't fail fork post-build cache verify on "expected" cache invalidations CI Modifies the continuous integration setup or other automation
#41825 opened Jul 16, 2026 by marcelolynch Contributor Loading…
1
feat: solvable group iff solvable subgroup and solvable quotient blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-group-theory Group theory
#41824 opened Jul 16, 2026 by plp127 Contributor Loading…
1 task
2
feat(Combinatorics/Design/Defs): definitions of combinatorial designs t-combinatorics Combinatorics
#41823 opened Jul 16, 2026 by tb65536 Contributor Loading…
1
feat(Algebra/Group/GreensRelations): add theorems of Green's relations blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) 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)
#41822 opened Jul 16, 2026 by ReemMelamed Contributor Loading…
1 task
4
chore(Order/Basic): add grind _=_ to Subtype.coe_lt_coe, coe_le_coe t-order Order theory
#41821 opened Jul 16, 2026 by Timeroot Collaborator Loading…
4
chore(GroupTheory): rename IsSolvable to Group.IsSolvable awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. t-group-theory Group theory
#41820 opened Jul 16, 2026 by plp127 Contributor Loading…
2
feat(Tactic/Linter): add linter for missing @[tactic_alt] tags t-linter Linter
#41818 opened Jul 16, 2026 by Vierkantor Contributor Loading…
1
feat: derivative of the Cauchy integral LLM-generated PRs with substantial input from LLMs - review accordingly t-analysis Analysis (normed *, calculus)
#41817 opened Jul 16, 2026 by kebekus Collaborator Loading…
1
feat(GroupTheory/PGroup): add exponent characterization 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-group-theory Group theory
#41816 opened Jul 16, 2026 by tb65536 Contributor Loading…
1 task
4
chore: remove redundant brackets
#41815 opened Jul 16, 2026 by felixpernegger Contributor • Draft
4
fix(CategoryTheory/Limits/VanKampen): backport fix for lean#8883 t-category-theory Category theory
#41814 opened Jul 16, 2026 by JovanGerb Contributor Loading…
1
feat(LinearAlgebra): totally nonnegative matrices awaiting-author A reviewer has asked the author a question or requested changes. maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. 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)
#41813 opened Jul 16, 2026 by sqrt-of-2 Contributor Loading…
7
chore(CategoryTheory): use the new ↧ notation in concrete categories 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 LLM-generated PRs with substantial input from LLMs - review accordingly t-category-theory Category theory
#41811 opened Jul 16, 2026 by YaelDillies Contributor Loading…
1 task
3
feat(CategoryTheory/Concrete): generic ↧ notation for FooCat.of LLM-generated PRs with substantial input from LLMs - review accordingly t-category-theory Category theory
#41810 opened Jul 16, 2026 by YaelDillies Contributor Loading…
13
ProTip! What’s not been updated in a month: updated:<2026-06-16.