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Sep 15, 2019 at 19:56 vote accept user1162101
Sep 13, 2019 at 16:02 answer added Simon Henry timeline score: 3
Sep 12, 2019 at 8:24 comment added Adrien There are many examples. One basic way to produce some is using the notion of twists on Hopf algebras, see e.g. Chapter 5 in www-math.mit.edu/~etingof/egnobookfinal.pdf.
Sep 12, 2019 at 8:15 review First posts
Sep 12, 2019 at 8:47
Sep 12, 2019 at 8:13 history asked user1162101 CC BY-SA 4.0