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[Merged by Bors] - feat(LinearAlgebra/Matrix): transvection matrix is block triangular#7765

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[Merged by Bors] - feat(LinearAlgebra/Matrix): transvection matrix is block triangular#7765
shuxuezhuyi wants to merge 5 commits intomasterfrom
WenYang/ElementaryMatrixIsTriangular

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@shuxuezhuyi shuxuezhuyi commented Oct 19, 2023

Co-authored-by: Eric Wieser wieser.eric@gmail.com


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@ghost ghost added the blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) label Oct 19, 2023
@shuxuezhuyi shuxuezhuyi added awaiting-review t-algebra Algebra (groups, rings, fields, etc) labels Oct 19, 2023
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Thanks for this! Unfortunately there's a fair amount of overlap with existing results in mathlib across this chain of PRs, but this one in particular has some useful results that look new.

Comment thread Mathlib/LinearAlgebra/Matrix/ElementaryMatrix.lean Outdated
Comment thread Mathlib/LinearAlgebra/Matrix/ElementaryMatrix.lean Outdated
Comment thread Mathlib/LinearAlgebra/Matrix/ElementaryMatrix.lean Outdated
@eric-wieser eric-wieser added awaiting-author A reviewer has asked the author a question or requested changes. and removed awaiting-review labels Oct 19, 2023
@ghost ghost removed the blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) label Oct 19, 2023
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I'm sorry that I didn't search mathlib carefully enough. Now I've rewritten the code.

@shuxuezhuyi shuxuezhuyi changed the title feat(LinearAlgebra/Matrix): elementary matrix is block triangular feat(LinearAlgebra/Matrix): transvection matrix is block triangular Oct 19, 2023
Comment thread Mathlib/LinearAlgebra/Matrix/Block.lean Outdated
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Comment thread Mathlib/LinearAlgebra/Matrix/Block.lean Outdated
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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bors d+

Thanks! Sorry that you ended up wasting some time writing your own version of transvection, but hopefully it was a good learning experience even if it ultimately wasn't PR-able!

Comment thread Mathlib/LinearAlgebra/Matrix/Block.lean Outdated
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bors Bot commented Oct 19, 2023

✌️ shuxuezhuyi can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

@ghost ghost added the delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). label Oct 19, 2023
@eric-wieser eric-wieser added awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. and removed delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). labels Oct 19, 2023
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
@github-actions github-actions Bot removed the awaiting-CI This PR does not pass CI yet. This label is automatically removed once it does. label Oct 19, 2023
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bors merge

bors Bot pushed a commit that referenced this pull request Oct 19, 2023
…7765)

Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
@github-actions github-actions Bot added ready-to-merge This PR has been sent to bors. and removed awaiting-author A reviewer has asked the author a question or requested changes. labels Oct 19, 2023
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bors Bot commented Oct 19, 2023

Build failed (retrying...):

bors Bot pushed a commit that referenced this pull request Oct 19, 2023
…7765)

Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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bors Bot commented Oct 19, 2023

Pull request successfully merged into master.

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@bors bors Bot changed the title feat(LinearAlgebra/Matrix): transvection matrix is block triangular [Merged by Bors] - feat(LinearAlgebra/Matrix): transvection matrix is block triangular Oct 19, 2023
@bors bors Bot closed this Oct 19, 2023
@bors bors Bot deleted the WenYang/ElementaryMatrixIsTriangular branch October 19, 2023 22:44
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