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Implement way of collapsing identical elements. Right now, `IDView.duplicates()` simply chooses the lowest ID as the non-duplicate edge, but there are several ways of
- weighting the collapsed nodes/…
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We implement `factor`, `gcd` and `_floordiv_` for symmetric functions, and thus make them a `UniqueFactorizationDomain`.
CC: @tscrim
Component: **combinatorics**
Author: **Martin Rubey**
Branch…
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**Describe the bug**
by "pytest cuml/python/cuml/test/test_umap.py", all steps ended in fail with the messages.
(I found it on both branch-21.12 and branch-22.02).
```
> ???
E TypeError:…
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This is potentially a large-scale problem, as can be seen using
```
grep -L "def __hash__" $(git grep -l "def __eq__" )
```
TODO LIST (extracted from errors on sage/python3 testsuite):
| **Ticket…
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Why does `Graph.vertices()` need to *sort* the list of vertices? If the user wants a sorted list, they can always call `sorted()` anyway. The same for `Graph.edges()`.
Sorting is broken badly now t…
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(from #29536)
This is like `_recommended` (from #29557), but for development tools.
Define a script package representing "useful stuff for Sage developers to have on a Docker image":
- include th…
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I've noticed that there are inextricable connections between the group homology and Smith Normal Form. But I did not have a clear understanding of this issue. I wonder if HAP package has some function…
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See original ticket below. We can still use this as a meta-ticket for tracking all division-related changes needed for Python 3. Existing tickets include:
## Progress Report
### Open
[Trac macro T…
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`shgo` raises an error with the following example since scipy 1.8.0.dev0+1529.803e52d.
This error was noticed in the hyperspy test suite (https://github.com/hyperspy/hyperspy-extensions-list/ac…
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Related to #21860 : one failure in ptestlong :
```
charpent@asus16-ec:/usr/local/sage-7$ sage -t --long --warn-long 100.3 src/sage/rings/polynomial/multi_polynomial_ideal.py
Running doctests with I…