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In Julia 1.9.1 I ran the code below with the library LinearSolve.jl v2.3.0:
```
using SparseArrays, LinearSolve
n, s = 5*10^4, 20; A, b = sprand(n,n,s/n), sprand(n,s/n);
@time (x = Array(A) \ …
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Dear Bastian,
Thank your so much for maintaining and actively improving this library, your previous works, TOGL and GFL, have given me so many inspirations!
I haven been using the TOGL example…
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This is a followup to #6100, and was reported on [this ask question](https://ask.sagemath.org/question/54070/generators-of-simplicial-homology/). If `K` is a simplicial complex, the `generators` arg…
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With Python 3, before #26931:
```
sage -t src/sage/homology/simplicial_complex.py # 22 doctests failed
sage -t src/sage/homology/examples.py # 7 doctests failed
```
After #26931:
```
sage -t src…
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The attached patch adds lots of functionality to Sage's algebraic topology capabilities:
- it implements cubical complexes: complexes constructed from cubes of various dimensions, glued together in…
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This in some sense a followup to #6102 and in some sense a precursor for a future ticket for simplicial sets. This mainly involves some reorganization, not much new.
- Add a `reduced` keyword to th…
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Simplicial complexes were lacking a method to test Cohen-Macaulayness.
In order to implement this method, some other methods are improved, namely a hash function is implemented, and _enlarge_subcom…
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Add functionality to sage to compute the effect of a simplicial complex morphism on homology and cohomology.
This patch will rely on fuctionality in #6099, #6100, #6102, and #5882.
Depends on #191…
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This is fairly unlikely but occasionally comes up on the buildbot:
```
sage -t --long src/sage/homology/simplicial_complex.py
**********************************************************************
…
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As the summary says...
For possible follow-up tickets:
- simplicial abelian groups and Eilenberg-Mac Lane spaces.
- effective homology and related computations that Kenzo can do but we can't yet.
…