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Oct 7, 2021 at 22:03 comment added DamienC @1200785626 : abrochier.org/files/qbarsurq.pdf
Oct 7, 2021 at 12:26 comment added 1200785626 How can I download this V.G. Drinfeld: On quasi-Hopf algebras and on a group that is closely connected with Gal(Q¯¯¯¯/Q), Algebra i Analiz, 2:4 (1990), 149–181 ? I can't find this in Google. I really need this for my thesis .thanks a lot.
Mar 24, 2015 at 9:28 comment added DamienC :)) "algebroic" is a typo. I really meant "algebraic". But "algebroic" now sounds like a perfect word to describe this circle of ideas :) I wish it had been intentional !
Mar 22, 2015 at 20:47 comment added Qfwfq Is the word "algebroic" (perhaps related to... groupoids?) intentional or just a typo? :)
May 15, 2011 at 1:24 comment added AFK PS: see this answer mathoverflow.net/questions/39945/… for example.
May 15, 2011 at 1:23 comment added AFK "I am not saying it is easy to read" is quite un understatement. It is an incredibly dense article. You can't unbderstand it without background. Beside the wealth of rich ideas, one thing that makes it really hard to read is that everything is stated in terms of quasi-triangular quasi-hopf algebras when it is really not about those. They only occur though their category of representations. And these are braided monoidal categories i.e. reprsentations the operad of fundamental groupoids of the $F(\mathbb{C},n) = \{ (z_1\ldots,z_n) ~|~ z_i\neq z_j \}$.
May 6, 2011 at 14:25 comment added DamienC You are right. I should have written it. Sorry.
May 6, 2011 at 12:33 comment added Todd Trimble That version of the coherence theorem being due to Joyal-Street...
May 6, 2011 at 5:19 history edited DamienC CC BY-SA 3.0
added 1574 characters in body; deleted 4 characters in body
May 6, 2011 at 4:30 history answered DamienC CC BY-SA 3.0