[ANN] The development of GAlgebra now officially moves to pygae/galgebra

[Utensil Song]

The development of GAlgebra now officially moves to [pygae/galgebra](https://github.com/pygae/galgebra). Alan Bromborsky (@brombo, account deleted by himself), the author of GAlgebra, is back on active developments on GAlgebra using a new Github account @abrombo and the maintenance efforts will be shared by members of the GAlgebra development team in [Pythonic Geometric Algebra Enthusiasts](https://github.com/pygae), namely @abrombo , @hugohadfield, @eric-wieser and @utensil .

Also, GAlgebra has released 0.4.4 on [PyPI](https://pypi.org/project/galgebra/) and [Conda Forge](https://anaconda.org/conda-forge/galgebra) along with its new online documentation https://galgebra.readthedocs.io/ , see [Changelog](https://galgebra.readthedocs.io/en/latest/changelog.html).

[A follow-up PR](https://github.com/sympy/sympy/pull/17981) has been submitted to change the reference to https://github.com/brombo/galgebra in SymPy (https://github.com/sympy/sympy/blob/master/sympy/galgebra.py) accordingly.

[Utensil Song]

More background: 

• https://groups.google.com/d/msg/sympy/ILzDtdNd83A/FZ-9ys6PBAAJ
• https://groups.google.com/forum/#!msg/sympy/8yEYohy6KG8/ePwKJuZABgAJ

[Ondřej Čertík]

Hi Utensil,

Thanks for letting us know! It's very nice to see the development of GAlgebra being picked up.

Ondrej

On Sat, Nov 30, 2019, at 12:01 AM, Utensil Song wrote:
> More background:
>
> * https://groups.google.com/d/msg/sympy/ILzDtdNd83A/FZ-9ys6PBAAJ
> * https://groups.google.com/forum/#!msg/sympy/8yEYohy6KG8/ePwKJuZABgAJ

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