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We can currently (#8544) factor univariate polynomials over QQbar:
```
sage: R.=QQbar[]
sage: (x^2+1).factor()
(x - I) * (x + I)
```
We can factor over multivariate rings, if the polynomial is act…
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Changes: http://sphinx-doc.org/changes.html
Tarballs:
* [https://pypi.python.org/packages/source/i/imagesize/imagesize-0.7.0.tar.gz](https://pypi.python.org/packages/source/i/imagesize/imagesize-0.…
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With a Python 3 patchbot and a Ubuntu 18.04 computer running `make ptestlong`, there are doctest failures in three files:
```
sage -t --long src/sage/repl/attach.py # 4 doctests failed
sage -t --l…
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Example:
```sage
sage: proof.all(False)
sage: R. = GF((2^521-1,2))[]
sage: C = HyperellipticCurve(R.random_element(degree=999))
sage: %time _ = C.jacobian()
verbose 0 (3879: multi_polynomial_ideal.…
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about no empty final lines
CC: @tscrim @kwankyu @slel
Component: **refactoring**
Author: **Frédéric Chapoton**
Branch/Commit: **[`7c5dc66`](https://github.com/sagemath/sagetrac-mirror/commit/7c…
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Tarball: `see checksums.ini` on the branch
Use `make SAGE_SPKG="sage-spkg -o" singular-clean sagelib-clean build` to automatically download and install.
"Critical" because it enables supporting ne…
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This is to upgrade to Python 3.8.x.
- [PEP569 -- Python 3.8 Release Schedule](https://www.python.org/dev/peps/pep-0569/)
- [What's new in Python 3.8](https://docs.python.org/3.8/whatsnew/3.8.html)
…
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The FusionRing and its methods contain nearly complete information about the underlying modular tensor category. However information is lost about the associator, and this is captured by the F-matri…
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As a first useful application of the PPL Cython library interface I have changed `sage.geometry.cone.Cone` to use the PPL wrapper instead of `cddlib`. Here is a quick benchmark with a fan that was s…
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about
```
E251 unexpected spaces around keyword / parameter equals
```
Component: **group theory**
Author: **Frédéric Chapoton**
Branch/Commit: **[`7dfb048`](https://github.com/sagemath/sagetrac…