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Mar 14, 2021 at 21:05 history edited annie marie cœur CC BY-SA 4.0
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Jul 28, 2020 at 3:16 history edited annie marie cœur CC BY-SA 4.0
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Jul 28, 2020 at 3:08 review Close votes
Aug 1, 2020 at 3:02
Jul 28, 2020 at 2:59 history edited annie marie cœur CC BY-SA 4.0
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Jul 27, 2020 at 21:37 history edited annie marie cœur CC BY-SA 4.0
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Jul 27, 2020 at 19:32 history edited LSpice CC BY-SA 4.0
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Jul 27, 2020 at 18:51 history edited annie marie cœur CC BY-SA 4.0
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Jul 27, 2020 at 17:52 comment added Mikhail Borovoi Of your three questions I understand only the first one. I understand the two "spinor" representations of the group $G={\rm SL}(2,{\Bbb C}) $ (regarded as a *real* algebraic group) as the two 2-dimensional complex representations $$\rho,\bar\rho\,\colon G\to {\rm GL}(2,{\Bbb C})$$ given by the formulas $\,\rho(g)=g\,$ and $\,\bar\rho(g)=\bar g$, where the bar over $g$ denotes the complex conjugation.
Jul 27, 2020 at 17:15 history edited annie marie cœur CC BY-SA 4.0
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Jul 27, 2020 at 15:52 history edited annie marie cœur CC BY-SA 4.0
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Jul 27, 2020 at 15:38 history asked annie marie cœur CC BY-SA 4.0