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Pull requests: leanprover-community/mathlib4

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Pull requests list

feat(fun_prop): discharge autoParams t-meta Tactics, attributes or user commands
#42632 opened Aug 11, 2026 by mcdoll Member Loading…
3
chore: add shake: keep to imports that shake --fix wrongly drops t-meta Tactics, attributes or user commands
#42631 opened Aug 11, 2026 by bryangingechen Contributor Loading…
1
feat(Analysis/Complex): define Wirtinger derivatives new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! t-analysis Analysis (normed *, calculus)
#42630 opened Aug 11, 2026 by will1491 Loading…
2
feat(Order/RelSeries): FiniteDimensionalOrder implies WellFoundedLT t-order Order theory
#42629 opened Aug 11, 2026 by SnirBroshi Collaborator Loading…
3
chore(Algebra/Order/Ring/WithTop): use to_dual t-algebra Algebra (groups, rings, fields, etc)
#42628 opened Aug 10, 2026 by JovanGerb Contributor Loading…
1
feat(Matrix): spectrum and spectral radius are invariant under transpose
#42627 opened Aug 10, 2026 by mkaratarakis Contributor Loading…
1
feat(Analysis/Matrix): operator norm and spectral radius of row-stochastic matrices t-analysis Analysis (normed *, calculus)
#42626 opened Aug 10, 2026 by mkaratarakis Contributor Loading…
3
feat(RingTheory/Nilpotents): basic MulOpposite lemmas for IsNilpotent/IsReduced maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. t-ring-theory Ring theory
#42625 opened Aug 10, 2026 by vlad902 Collaborator Loading…
5
perf(IntermediateField/Basic): algebra instance for IntermediateField.restrictScalars t-algebra Algebra (groups, rings, fields, etc)
#42624 opened Aug 10, 2026 by xgenereux Collaborator Loading…
6
feat(Data/Fintype/Order): add Finite.ciInf_le_iff and friends t-data Data (lists, quotients, numbers, etc) t-order Order theory
#42623 opened Aug 10, 2026 by tb65536 Contributor Loading…
1
chore(Order/WithBot): remove defeq between WithBot.LE/LT and WithTop.LE/LT blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) t-order Order theory
#42622 opened Aug 10, 2026 by JovanGerb Contributor Loading…
1 task
4
feat: a measurable space structure on matrices t-measure-probability Measure theory / Probability theory
#42621 opened Aug 10, 2026 by gaetanserre Collaborator Loading…
1
chore(RingTheory/Ideal/Maximal): simplify proof t-ring-theory Ring theory
#42618 opened Aug 10, 2026 by artie2000 Collaborator Loading…
2
feat(Data/Nat/Prime/Basic): a nonzero natural has a prime not dividing it 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-data Data (lists, quotients, numbers, etc)
#42615 opened Aug 10, 2026 by williamjblair Loading…
3
chore(Algebra/Group/Action/Pointwise/Set): generalize smul_mem_smul_set_iff to IsLeftCancelSMul 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-algebra Algebra (groups, rings, fields, etc)
#42614 opened Aug 10, 2026 by williamjblair Loading…
3
feat(Analysis/InnerProductSpace): add inner product structure for PiTensorProduct 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! tech debt Tracking cross-cutting technical debt, see e.g. the "Technical debt counters" stream on zulip
#42612 opened Aug 10, 2026 by gloges • Draft
2 tasks
3
feat(Algebra/Group/Pointwise/Set): add IsMulSymmetric predicate t-algebra Algebra (groups, rings, fields, etc)
#42611 opened Aug 10, 2026 by justus-springer Collaborator Loading…
2
chore(CategoryTheory/Galois): fix namespace for getFiberFunctor t-category-theory Category theory
#42610 opened Aug 10, 2026 by joelriou Contributor Loading…
1
doc: add wikidata attributes LLM-generated PRs with substantial input from LLMs - review accordingly
#42608 opened Aug 10, 2026 by Deicyde Contributor Loading…
11
feat(Analysis/Normed/Algebra/SpectralRadiusLimit): define the spectral radius limit lim ‖a ^ k‖ ^ (1 / k) 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-analysis Analysis (normed *, calculus)
#42607 opened Aug 10, 2026 by tb65536 Contributor Loading…
2 tasks
2
feat(Data/Nat/Choose/Sum): two_mul_choose_self_le_pow t-data Data (lists, quotients, numbers, etc)
#42606 opened Aug 10, 2026 by mo271 Collaborator Loading…
3
feat(Analysis/Subadditive): multiplicative Fekete's lemma large-import Automatically added label for PRs with a significant increase in transitive imports t-analysis Analysis (normed *, calculus)
#42605 opened Aug 10, 2026 by tb65536 Contributor Loading…
1
feat: add a class for linear maps with a well-defined index t-algebra Algebra (groups, rings, fields, etc)
#42601 opened Aug 10, 2026 by ADedecker Member • Draft
1
perf: flatten Monoid t-algebra Algebra (groups, rings, fields, etc)
#42599 opened Aug 10, 2026 by astrainfinita Collaborator Loading…
9
feat: index of the restriction of a linear map t-algebra Algebra (groups, rings, fields, etc)
#42598 opened Aug 10, 2026 by ADedecker Member • Draft
1
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