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[Merged by Bors] - feat(LinearAlgebra): characterize triangularizable semisimple endomorphisms#41590

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[Merged by Bors] - feat(LinearAlgebra): characterize triangularizable semisimple endomorphisms#41590
yuanyi-350 wants to merge 2 commits into
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yuanyi-350:semisimple_triangularizable_iff

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@yuanyi-350 yuanyi-350 commented Jul 10, 2026

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@yuanyi-350 yuanyi-350 added the LLM-generated PRs with substantial input from LLMs - review accordingly label Jul 10, 2026
@github-actions github-actions Bot added the t-algebra Algebra (groups, rings, fields, etc) label Jul 10, 2026
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github-actions Bot commented Jul 10, 2026

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PR summary 0757f24042

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff (regex)

+ IsFinitelySemisimple.iSup_maxGenEigenspace_eq_top_iff
+ IsSemisimple.iSup_maxGenEigenspace_eq_top_iff

You can run this locally as follows
## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

Declarations diff (Lean)

Lean-aware diff — post-build, computed from the Lean environment (commit 0757f24).

  • +2 new declarations
  • −0 removed declarations
+Module.End.IsFinitelySemisimple.iSup_maxGenEigenspace_eq_top_iff
+Module.End.IsSemisimple.iSup_maxGenEigenspace_eq_top_iff

No changes to strong technical debt.

No changes to weak technical debt.

Current commit 0757f24042
Reference commit c368140668

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/scripts/reporting/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

@yuanyi-350 yuanyi-350 requested a review from ocfnash July 10, 2026 15:49

@ocfnash ocfnash left a comment

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Thanks!

bors merge

@mathlib-bors mathlib-bors Bot added the ready-to-merge This PR has been sent to bors. label Jul 14, 2026
@mathlib-bors mathlib-bors Bot added the bors-staging This PR is currently being built by bors on the staging branch. label Jul 14, 2026
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mathlib-bors Bot commented Jul 14, 2026

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Build failed (retrying...):

@mathlib-bors mathlib-bors Bot removed the bors-staging This PR is currently being built by bors on the staging branch. label Jul 14, 2026
@mathlib-bors mathlib-bors Bot added the bors-staging This PR is currently being built by bors on the staging branch. label Jul 14, 2026
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mathlib-bors Bot commented Jul 14, 2026

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@mathlib-bors mathlib-bors Bot changed the title feat(LinearAlgebra): characterize triangularizable semisimple endomorphisms [Merged by Bors] - feat(LinearAlgebra): characterize triangularizable semisimple endomorphisms Jul 14, 2026
@mathlib-bors mathlib-bors Bot closed this Jul 14, 2026
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2 participants