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Pull requests list

refactor(Tactic/Echelon): extract certificate construction and split the product cert new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-meta Tactics, attributes or user commands
#43300 opened Sep 1, 2026 by raoxiaojia Contributor Loading…
4
chore(Data/Finset/Lattice/Fold): fix comp_inf'_eq_inf'_comp alias target 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-data Data (lists, quotients, numbers, etc)
#43299 opened Sep 1, 2026 by BorisTheBrave Loading…
3
feat(GroupTheory/IndexNormal): the index of the normal core is bounded by the factorial of the index t-group-theory Group theory
#43298 opened Sep 1, 2026 by SnirBroshi Collaborator Loading…
1
feat(LinearAlgebra/Dimension/DivisionRing): lemmas about ranks of submodules 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-algebra Algebra (groups, rings, fields, etc)
#43297 opened Sep 1, 2026 by aebrose Contributor Loading…
3
chore(LinearAlgebra/Projection): automated extraction from #37745 auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. ready-to-merge This PR has been sent to bors. t-algebra Algebra (groups, rings, fields, etc)
#43296 opened Sep 1, 2026 by mathlib-splicebot Bot Loading…
4
chore(Algebra/Algebra/Hom): automated extraction from #37745 auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. ready-to-merge This PR has been sent to bors. t-algebra Algebra (groups, rings, fields, etc)
#43295 opened Sep 1, 2026 by mathlib-splicebot Bot Loading…
4
chore(Algebra/Module/Submodule/Range): automated extraction from #37745 auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. bors-staging This PR is currently being built by bors on the staging branch. ready-to-merge This PR has been sent to bors. t-algebra Algebra (groups, rings, fields, etc)
#43294 opened Sep 1, 2026 by mathlib-splicebot Bot Loading…
2
chore(Algebra/Algebra/Subalgebra/Basic): automated extraction from #37745 auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. bors-staging This PR is currently being built by bors on the staging branch. ready-to-merge This PR has been sent to bors. t-algebra Algebra (groups, rings, fields, etc)
#43293 opened Sep 1, 2026 by mathlib-splicebot Bot Loading…
3
feat(AlgebraicGeometry/EllipticCurve/Affine/AddSubMap): add the main property of addSubMap and sym2x t-algebraic-geometry Algebraic geometry
#43292 opened Sep 1, 2026 by MichaelStollBayreuth Contributor Loading…
1
feat(MeasureTheory): measurability of a function defined by ite t-measure-probability Measure theory / Probability theory
#43291 opened Sep 1, 2026 by YaelDillies Contributor Loading…
1
feat: the L matrix in the LDL decomposition is lower triangular easy < 20s of review time. See the lifecycle page for guidelines. t-analysis Analysis (normed *, calculus)
#43290 opened Sep 1, 2026 by luigi-massacci Collaborator Loading…
1
feat(RingTheory/Valuation): a valuation ring is the ring of integers of its valuation t-ring-theory Ring theory
#43288 opened Sep 1, 2026 by WenrongZou Collaborator Loading…
10
chore: avoid Subrelation where possible
#43287 opened Sep 1, 2026 by SnirBroshi Collaborator Loading…
1
feat(GroupTheory): add Hecke/LeftFiniteDoubleCoset new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-group-theory Group theory
#43286 opened Sep 1, 2026 by JX-Mo Contributor Loading…
1 task
3
feat(ValuativeTopology): valuative topology of Z_p
#43285 opened Sep 1, 2026 by WenrongZou Collaborator Loading…
1
feat(InnerProductSpace/Basic): add ennorm_inner_le_ennorm awaiting-author A reviewer has asked the author a question or requested changes. t-analysis Analysis (normed *, calculus)
#43284 opened Sep 1, 2026 by TJHeeringa Contributor Loading…
2
feat(RepresentationTheory): add Hecke bimodule new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community!
#43282 opened Sep 1, 2026 by JX-Mo Contributor • Draft
3
feat(NumberTheory/DiophantineApproximation): prove Hurwitz's approximation theorem new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#43281 opened Sep 1, 2026 by keyframe41 Loading…
11
feat(Topology/VectorBundle): coordinate lemmas for the bundle of bilinear forms 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
#43280 opened Sep 1, 2026 by idontgetoutmuch Collaborator Loading…
2
chore(Algebra/Polynomial/Div): generalize rootMultiplicity lemmas to non-commutative rings t-algebra Algebra (groups, rings, fields, etc)
#43279 opened Sep 1, 2026 by SnirBroshi Collaborator Loading…
1
feat(GroupTheory): add two simp lemmas for DoubleCoset.mk bors-staging This PR is currently being built by bors on the staging branch. new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! ready-to-merge This PR has been sent to bors. t-group-theory Group theory
#43278 opened Sep 1, 2026 by JX-Mo Contributor Loading…
8
feat(Topology/Maps): add Continuous.isClosed_graph and continuous_of_isClosed_graph awaiting-author A reviewer has asked the author a question or requested changes. LLM-generated PRs with substantial input from LLMs - review accordingly 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
#43275 opened Sep 1, 2026 by MaxFeldman1 Loading…
@scholzhannah
6
chore(LinearAlgebra/Multilinear): generalise MultilinearMap to semilinear maps awaiting-author A reviewer has asked the author a question or requested changes. WIP Work in progress
#43274 opened Aug 31, 2026 by winstonyin Collaborator Loading…
2
feat(AlgebraicGeometry): scheme level order of vanishing api file-removed A Lean module was (re)moved without a `deprecated_module` annotation t-algebraic-geometry Algebraic geometry
#43273 opened Aug 31, 2026 by Raph-DG Collaborator Loading…
1
feat(Topology/UniformSpace): the fine uniformity t-topology Topological spaces, uniform spaces, metric spaces, filters
#43272 opened Aug 31, 2026 by peakpoint Collaborator Loading…
4
ProTip! no:milestone will show everything without a milestone.