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Pull requests: leanprover-community/mathlib4

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Pull requests list

Bound two-torsion on Weierstrass curves new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-algebraic-geometry Algebraic geometry
#42219 opened Jul 29, 2026 by vaguiarl • Draft
2
feat(Tactic/Linter): unneededImport linter with closure impact report t-linter Linter
#42217 opened Jul 29, 2026 by marcelolynch Contributor • Draft
1
feat(Tactic/Linter): unusedVariableCommand linter for unused section variables t-linter Linter
#42216 opened Jul 29, 2026 by marcelolynch Contributor • Draft
1
chore: remove unused section variables
#42214 opened Jul 29, 2026 by marcelolynch Contributor • Draft
5
fix(LinearAlgebra/Matrix): move CommSemiring.strongRankCondition_of_nontrivial to public easy < 20s of review time. See the lifecycle page for guidelines. t-algebra Algebra (groups, rings, fields, etc)
#42212 opened Jul 29, 2026 by wwylele Collaborator Loading…
3
feat(ModularForms): Ramanujan formula for derivatives blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) LLM-generated PRs with substantial input from LLMs - review accordingly sphere-packing Material from https://github.com/thefundamentaltheor3m/Sphere-Packing-Lean t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#42211 opened Jul 29, 2026 by seewoo5 Collaborator • Draft
1 task
2
feat(NumberTheory/ModularForms): E₂ is 1-periodic LLM-generated PRs with substantial input from LLMs - review accordingly sphere-packing Material from https://github.com/thefundamentaltheor3m/Sphere-Packing-Lean t-number-theory Number theory (also use t-algebra or t-analysis to specialize)
#42210 opened Jul 29, 2026 by seewoo5 Collaborator Loading…
1
feat(Algebra/QuadraticAlgebra): change of generator t-algebra Algebra (groups, rings, fields, etc)
#42209 opened Jul 29, 2026 by xroblot Collaborator Loading…
1
chore: remove some (triple) underscore soup
#42208 opened Jul 29, 2026 by felixpernegger Contributor Loading…
7
feat(Algebra/QuadraticAlgebra): add the trace t-algebra Algebra (groups, rings, fields, etc)
#42207 opened Jul 28, 2026 by xroblot Collaborator Loading…
7
feat(Algebra/QuadraticAlgebra): discriminant and classification 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)
#42206 opened Jul 28, 2026 by xroblot Collaborator Loading…
2 tasks
2
chore(Geometry/Manifold): avoid some underscore soup t-differential-geometry Manifolds etc
#42205 opened Jul 28, 2026 by grunweg Contributor Loading…
5
chore(Geometry/Manifold/IsManifold/InteriorBoundary): golf a proof easy < 20s of review time. See the lifecycle page for guidelines. t-differential-geometry Manifolds etc
#42204 opened Jul 28, 2026 by grunweg Contributor Loading…
1
feat(Algebra/MvPolynomial): compact only the right summand of a sum of variables 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)
#42203 opened Jul 28, 2026 by cameronfreer Contributor Loading…
2
feat: define PositiveContinuousLinearMap awaiting-author A reviewer has asked the author a question or requested changes. t-topology Topological spaces, uniform spaces, metric spaces, filters
#42202 opened Jul 28, 2026 by j-loreaux Contributor Loading…
9
refactor(Tactic/Linter/Header): make the header linter stateful blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-linter Linter
#42201 opened Jul 28, 2026 by marcelolynch Contributor • Draft
1 task
2
feat(GroupTheory/Finiteness): add general IsMulFG t-algebra Algebra (groups, rings, fields, etc) t-group-theory Group theory
#42200 opened Jul 28, 2026 by tb65536 Contributor Loading…
2
feat(Topology/Instances/AddCircle/Defs): add equivAddCircle_eq, continuous_equivAddCircle awaiting-author A reviewer has asked the author a question or requested changes. carleson part of the ongoing formalization of Carleson's theorem t-topology Topological spaces, uniform spaces, metric spaces, filters
#42198 opened Jul 28, 2026 by lakesare Contributor Loading…
4
Nuclear operator 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!
#42197 opened Jul 28, 2026 by mpacholski • Draft
2
feat: IsLocallyClosedAt predicate t-topology Topological spaces, uniform spaces, metric spaces, filters
#42196 opened Jul 28, 2026 by ADedecker Member • Draft
1
refactor(Order/Partition): remove the support index from Partition t-order Order theory
#42195 opened Jul 28, 2026 by Jun2M Collaborator • Draft
1
feat(Topology/Algebra/Module/Spaces): add compact-open C-infinity topology 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
#42194 opened Jul 28, 2026 by anagnorisis2peripeteia Loading…
4
chore: fix defeq abuse in the definition of MFDeriv t-differential-geometry Manifolds etc tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#42193 opened Jul 28, 2026 by sgouezel Contributor • Draft
5
feat(CategoryTheory/Monoidal/Rigid): symmetric rigid categories are spherical blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-category-theory Category theory WIP Work in progress
#42192 opened Jul 28, 2026 by mckoen Collaborator Loading…
3 tasks
2
feat(CategoryTheory/Monoidal/Rigid): spherical categories blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-category-theory Category theory
#42191 opened Jul 28, 2026 by mckoen Collaborator Loading…
2 tasks
2
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