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[Merged by Bors] - feat : added Module.End.finite_spectrum and Matrix.finite_spectrum #13765

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The spectrum of an endomorphism of a finite dimensional vector space, and that of an n x n matrix, is finite.


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@github-actions github-actions bot added the new-contributor This PR was made by a contributor with at most 5 merged PRs. Welcome to the community! label Jun 12, 2024
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github-actions bot commented Jun 12, 2024

PR summary 7f36bddf9a

Import changes

No significant changes to the import graph


Declarations diff

+ Matrix.finite_spectrum
+ Matrix.instFiniteSpectrum
+ Module.End.finite_spectrum

You can run this locally as follows
## summary with just the declaration names:
./scripts/no_lost_declarations.sh short <optional_commit>

## more verbose report:
./scripts/no_lost_declarations.sh <optional_commit>

Co-authored-by: Frédéric Dupuis <31101893+dupuisf@users.noreply.github.com>
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Looks good!

bors r+

@leanprover-community-mathlib4-bot leanprover-community-mathlib4-bot added ready-to-merge This PR has been sent to bors. and removed awaiting-review labels Jun 13, 2024
mathlib-bors bot pushed a commit that referenced this pull request Jun 13, 2024
#13765)

The spectrum of an endomorphism of a finite dimensional vector space, and that of an n x n matrix, is finite.



Co-authored-by: JonBannon <59937998+JonBannon@users.noreply.github.com>
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mathlib-bors bot commented Jun 13, 2024

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat : added Module.End.finite_spectrum and Matrix.finite_spectrum [Merged by Bors] - feat : added Module.End.finite_spectrum and Matrix.finite_spectrum Jun 13, 2024
@mathlib-bors mathlib-bors bot closed this Jun 13, 2024
@mathlib-bors mathlib-bors bot deleted the FiniteSpectrum branch June 13, 2024 02:41
AntoineChambert-Loir pushed a commit that referenced this pull request Jun 20, 2024
#13765)

The spectrum of an endomorphism of a finite dimensional vector space, and that of an n x n matrix, is finite.



Co-authored-by: JonBannon <59937998+JonBannon@users.noreply.github.com>
mathlib-bors bot pushed a commit that referenced this pull request Jul 9, 2024
…atrices over an RCLike Field (#13697)

This file contains the requisite lemmas needed to define a `ContinuousFunctionalCalculus` for Hermitian Matrices over an RCLike Field.

- [x] depends on: #13729
- [x] depends on: #13765
- [x] depends on : #13837
- [x] depends on : #13838

Co-Authored by @j-loreaux



Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
mathlib-bors bot pushed a commit that referenced this pull request Jul 9, 2024
…atrices over an RCLike Field (#13697)

This file contains the requisite lemmas needed to define a `ContinuousFunctionalCalculus` for Hermitian Matrices over an RCLike Field.

- [x] depends on: #13729
- [x] depends on: #13765
- [x] depends on : #13837
- [x] depends on : #13838

Co-Authored by @j-loreaux



Co-authored-by: JonBannon <59937998+JonBannon@users.noreply.github.com>
Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
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4 participants