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Sage is a mathematical software system, and this tag is intended for questions involving this software in a substantive way. This tag should hardly ever be the only tag of a question; typically there should be additional tags to indicate the mathematical content of the question. Please note that questions that are purely support-questions on Sage are not a good fit for this site.

5 votes
Accepted

GAP versus SageMath for branching to Lie subgroups

I don't know GAP but Sage has a nice tutorial for branching and is quite usable. …
Vít Tuček's user avatar
  • 8,597
3 votes
Accepted

Branching to Levi subgroups in SAGE and the circle action

See Sage tutorial on branching for example. … Extension of WeylCharacterRing so that it can handle also reductive algebras is on my long term TODO list so this kind of branching may end up being integral part of Sage in the future. …
Vít Tuček's user avatar
  • 8,597