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Dec 10, 2018 at 14:13 comment added Bugs Bunny I think the answer is NO. By Oberst-Schneider symmetricity is equivalent unimodularity and $S^2$ being inner. Something like $u_q (n)$ at a root of unity should give a counterexample.
S Dec 8, 2018 at 10:02 history bounty ended CommunityBot
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Dec 5, 2018 at 11:16 comment added Mare @BugsBunny I wrote a new formulation of the question.
Dec 5, 2018 at 11:14 history edited Mare CC BY-SA 4.0
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Dec 5, 2018 at 11:07 comment added Bugs Bunny Could you restate your question in English, please?
Nov 30, 2018 at 8:48 history edited Mare
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S Nov 30, 2018 at 8:13 history bounty started Mare
S Nov 30, 2018 at 8:13 history notice added Mare Draw attention
Nov 30, 2018 at 8:13 history edited Mare CC BY-SA 4.0
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Apr 8, 2015 at 14:49 history asked Mare CC BY-SA 3.0