Skip to content

[Merged by Bors] - feat(CategoryTheory/Monoidal/Action): action of opposite categories#25861

Closed
robin-carlier wants to merge 73 commits intoleanprover-community:masterfrom
robin-carlier:monoidal-actions-op
Closed

[Merged by Bors] - feat(CategoryTheory/Monoidal/Action): action of opposite categories#25861
robin-carlier wants to merge 73 commits intoleanprover-community:masterfrom
robin-carlier:monoidal-actions-op

Conversation

@robin-carlier
Copy link
Copy Markdown
Contributor

@robin-carlier robin-carlier commented Jun 14, 2025

Given a monoidal category C and a category D, we show that left (resp. right) C-actions on D induce left (resp. right) Cᵒᵖ-actions on Dᵒᵖ. Conversely, we show that left/right actions of Cᵒᵖ on Dᵒᵖ induce left/right actions of C on D.


Open in Gitpod

@github-actions github-actions bot added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jun 17, 2025
@github-actions github-actions bot removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jun 17, 2025
@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jul 5, 2025
@leanprover-community-bot-assistant
Copy link
Copy Markdown
Collaborator

This pull request has conflicts, please merge master and resolve them.

@github-actions github-actions bot removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jul 5, 2025
@mathlib4-dependent-issues-bot mathlib4-dependent-issues-bot removed the blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) label Jul 5, 2025
@mathlib4-dependent-issues-bot
Copy link
Copy Markdown
Collaborator

@leanprover-community-bot-assistant
Copy link
Copy Markdown
Collaborator

This pull request has conflicts, please merge master and resolve them.

@leanprover-community-bot-assistant leanprover-community-bot-assistant added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jul 5, 2025
@github-actions github-actions bot removed the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label Jul 5, 2025
@grunweg
Copy link
Copy Markdown
Contributor

grunweg commented Aug 29, 2025

Hello from the triage team. This PR has been awaiting review for four weeks.
@joelriou Do you think you'll have time to review this one? Thanks!

@joelriou
Copy link
Copy Markdown
Contributor

joelriou commented Sep 8, 2025

Thanks!

bors merge

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Sep 8, 2025
mathlib-bors bot pushed a commit that referenced this pull request Sep 8, 2025
…25861)

Given a monoidal category `C` and a category `D`, we show that left (resp. right) `C`-actions on `D` induce left (resp. right) `Cᵒᵖ`-actions on `Dᵒᵖ`. Conversely, we show that left/right actions of `Cᵒᵖ` on `Dᵒᵖ` induce left/right actions of `C` on `D`.
@mathlib-bors
Copy link
Copy Markdown
Contributor

mathlib-bors bot commented Sep 8, 2025

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(CategoryTheory/Monoidal/Action): action of opposite categories [Merged by Bors] - feat(CategoryTheory/Monoidal/Action): action of opposite categories Sep 8, 2025
@mathlib-bors mathlib-bors bot closed this Sep 8, 2025
CBirkbeck pushed a commit to CBirkbeck/mathlib4 that referenced this pull request Sep 8, 2025
…eanprover-community#25861)

Given a monoidal category `C` and a category `D`, we show that left (resp. right) `C`-actions on `D` induce left (resp. right) `Cᵒᵖ`-actions on `Dᵒᵖ`. Conversely, we show that left/right actions of `Cᵒᵖ` on `Dᵒᵖ` induce left/right actions of `C` on `D`.
yuanyi-350 pushed a commit to yuanyi-350/yuanyi_mathlib4 that referenced this pull request Sep 10, 2025
…eanprover-community#25861)

Given a monoidal category `C` and a category `D`, we show that left (resp. right) `C`-actions on `D` induce left (resp. right) `Cᵒᵖ`-actions on `Dᵒᵖ`. Conversely, we show that left/right actions of `Cᵒᵖ` on `Dᵒᵖ` induce left/right actions of `C` on `D`.
robertmaxton42 pushed a commit to robertmaxton42/mathlib4 that referenced this pull request Sep 11, 2025
…eanprover-community#25861)

Given a monoidal category `C` and a category `D`, we show that left (resp. right) `C`-actions on `D` induce left (resp. right) `Cᵒᵖ`-actions on `Dᵒᵖ`. Conversely, we show that left/right actions of `Cᵒᵖ` on `Dᵒᵖ` induce left/right actions of `C` on `D`.
joelriou pushed a commit to joelriou/mathlib4 that referenced this pull request Oct 2, 2025
…eanprover-community#25861)

Given a monoidal category `C` and a category `D`, we show that left (resp. right) `C`-actions on `D` induce left (resp. right) `Cᵒᵖ`-actions on `Dᵒᵖ`. Conversely, we show that left/right actions of `Cᵒᵖ` on `Dᵒᵖ` induce left/right actions of `C` on `D`.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

ready-to-merge This PR has been sent to bors. t-category-theory Category theory

Projects

None yet

Development

Successfully merging this pull request may close these issues.

5 participants