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Just as a reminder for myself based on the discussion in the meeting today
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as useful invariants of posets and simplicial complexes
CC: @mantepse @tscrim @jhpalmieri
Component: **combinatorics**
Author: **Frédéric Chapoton**
Branch/Commit: **[`aa6105d`](https://github.…
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as this has been proved by Gorodkov in 2016 to be indeed the projective plane over H
https://arxiv.org/abs/1603.05541
CC: @jhpalmieri
Component: **algebraic topology**
Author: **Frédéric Chapot…
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We have a global binding of `union` that returns "the union of x and y, as a list". We deprecate it because this is an outdated interface (with strong "early Python" vibes) and not suitable for the …
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There's a lot of repeated code between Hypergraph and SimplicialComplex but we can't just make them sublcass the same base class because of the difference in nomenclature (edge/simplex, size/order, et…
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This has been available since 9.3 and may be ready for general consumption
See also: #32406 Make `./configure --enable-editable` the default
Depends on #34766
CC: @kliem @jhpalmieri
Component:…
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There are a lot places in the Sage library which use
```
except:
```
This is bad because it catches non-errors like `KeyboardInterrupt`.
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Then the patch [attachment: 11310_auto.patch](https://…
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Rationale : R (standard package) requires libpcre (in a non-default configuration), but stopped to package it with version 3.3.0.
See this [discussion](https://groups.google.com/forum/#!topic/sage-…
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In #30181, the class `ModuleElementWithMutability` was introduced. In an effort to set a standard in Sage, as per `sage.structure.mutability.Mutability`, we rename the `_is_mutable` to `_is_immutabl…
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Add a kenzo optional package, and the corresponding interface.
The source file is taken from https://github.com/miguelmarco/kenzo, which is a small fork by Miguel Marco to include some utility scri…