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Results tagged with gr.group-theory
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user 11682
Questions about the branch of algebra that deals with groups.
2
votes
Where does the term "torsor" come from?
In the french school, un torseur sert à tordre, a torsor is used to twist.
More precisely, let $\eta$ be an object in a topos, and $G=\operatorname{Aut}(\eta)$.
If $\nu$ is a form of $\eta$ (another …
- 4,008
2
votes
Spin group as an automorphism group
See
Groupes Classiques
Baptiste Calmès, Jean Fasel
http://arxiv.org/abs/1401.1992
Propositions 4.5.1.15 and 4.5.1.16.
- 4,008