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Aug 7, 2018 at 9:05 comment added Qfwfq How can one easily prove that this particular gerbe $[\mathbb{G}_{\mathrm{m}}/G]$ is nontrivial?
Aug 7, 2018 at 6:54 history edited Dan Petersen CC BY-SA 4.0
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Aug 7, 2018 at 6:31 history answered Dan Petersen CC BY-SA 4.0