New answers tagged

3 votes

Germs of left invariant differential operators on a group

I presume “group” means “Lie group”. Invariant differential operators on the Lie group $\def\R{{\bf R}}\R$ have the form $∑_{k≥0}a_k {∂^k\over ∂x^k}$, where $a_k∈\R$. Thus, any linear differential ...
Dmitri Pavlov's user avatar
1 vote

Hopf algebras actions

It's not a good idea to try to "reduce" a Hopf algebra action to a group action (as the OP suggested in this comment), because a Hopf algebra is a lot more information. Instead, it's better ...
David White's user avatar
  • 29.8k

Top 50 recent answers are included