Formal rigidity of the Witt and Virasoro algebraAlice Fialowski
- Journal of Mathematical Physics, January 2012, American Institute of Physics
- DOI: 10.1063/1.4731220
Witt algebra rigidity
What is it about?
An elementary proof of formal rigidity of Witt/Virasoro algebra.
Why is it important?
The author stated the result long time ago, but with more complicated proof. This proof is elementary.