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For some toric algorithms one needs to choose orientations for cones, essentially to construct the homology complex of the cone complex. This patch implements new methods `fan.oriented_boundary(cone…
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We add methods to check if a given order of facets is a shelling order and for calculating restricted sets (when shellable). This also adds code to construct the f-triangle and h-triangles (to use …
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`sage-cleaner` got completely broken due to incompatible filenames between `sage-cleaner` and the Sage library.
**Apply**:
1. [attachment: 14055_cleaner_sagelib.patch](https://github.com/sagemath/s…
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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…
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Add functionality in sage to compute the cohomology ring of a simplicial complex.
This relies on #6099, #6100, and #5882.
These will be examples of graded alebras, finite as modules over their bas…
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Create (geometric) `PolyhedralComplex`, whose cells are Sage Polyhedra.
CC: @mkoeppe @jhpalmieri @jplab @tscrim
Component: **geometry**
Keywords: **polyhedral complex**
Author: **Yuan Zhou**
…
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Seems like a missing import...
```
sage -t --long src/sage/interfaces/kenzo.py
**********************************************************************
File "src/sage/interfaces/kenzo.py", line 157, …
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In this ticket, we equip the category of chain complexes with a method `homology` yielding the associated homology. The corresponding homology functor will use this method.
This happens in view of …
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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`.
---
Then the patch [attachment: 11310_auto.patch](https://…
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Finite dimensional modules over a finite field are known to Sage to be finite:
```
sage: Modules(GF(3)).FiniteDimensional().is_subcategory(Sets().Finite())
True
```
However this piece of k…