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Similarly to #38418, this PR adds a method to check whether a set of edges forms an edge cut of the (di)graph, that is if the removal of these edges increases the number of (weakly) connected components.

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  • The title is concise and informative.
  • The description explains in detail what this PR is about.
  • I have linked a relevant issue or discussion.
  • I have created tests covering the changes.
  • I have updated the documentation and checked the documentation preview.

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github-actions bot commented Jul 27, 2024

Documentation preview for this PR (built with commit 56f380b; changes) is ready! 🎉
This preview will update shortly after each push to this PR.

@dcoudert dcoudert force-pushed the graphs/is_edge_cut branch from edfbff0 to 5cab21d Compare August 6, 2024 08:34
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Thanks. LGTM.

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Thank you for the review.

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dcoudert commented Sep 4, 2024

I have only rebased the PR on last beta. I set it back to positive review.

vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 5, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 6, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 8, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 8, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 10, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
vbraun pushed a commit to vbraun/sage that referenced this pull request Sep 12, 2024
sagemathgh-38435: add method `is_edge_cut` to graphs
    
Similarly to sagemath#38418, this PR adds a method to check whether a set of
edges forms an edge cut of the (di)graph, that is if the removal of
these edges increases the number of (weakly) connected components.


### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [x] I have created tests covering the changes.
- [x] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#38435
Reported by: David Coudert
Reviewer(s): David Coudert, Kwankyu Lee
@vbraun vbraun merged commit 473a571 into sagemath:develop Sep 15, 2024
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3 participants