Skip to main content
2 of 2
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/

This is the Weyl algebra. The center is $k[x^p,y^p]$, where $p$ is the characteristic. See, for example, here for a proof.

David E Speyer
  • 156.3k
  • 14
  • 421
  • 763