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Apr 28, 2015 at 12:18 vote accept Bilateral
Apr 26, 2015 at 12:31 answer added Robert Bryant timeline score: 5
Apr 26, 2015 at 12:29 review Close votes
Apr 26, 2015 at 12:42
Apr 26, 2015 at 12:13 comment added Alex Degtyarev I don't understand the meaning of $S$ in your post. This seems to be rather standard structure group reduction/extension business, but you should be more specific. Given the covering $\operatorname{Spin}\to SO$, what kind of subgroups in the two do you want to consider?
Apr 26, 2015 at 11:18 history asked Bilateral CC BY-SA 3.0