Timeline for Specialization of PBW-algebras over rational function field
Current License: CC BY-SA 3.0
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| Jul 4, 2013 at 19:10 | comment | added | Mariano Suárez-Álvarez | Your rewriting rules are of the form $W_\sigma\leadsto f_\sigma$, and the right hand side of such a thing is the $f_\sigma$. When you resolve ambiguities, you never divide by scalars (this is implicit in the act that, for example, Bergmann works over a ring) so you simply cannot get a polt at zero at any point of the process. | |
| Jul 4, 2013 at 1:14 | comment | added | MTS | Thanks for your answer, Mariano. What do you mean by "right members"? And how can we be sure that no coefficients arise outside of $R$? That was precisely the question that I was asking myself when thinking about this. | |
| Jul 4, 2013 at 0:01 | history | answered | Mariano Suárez-Álvarez | CC BY-SA 3.0 |