[codethief]

I stand corrected then! Thank you!

> I’m pretty sure Noether’s theorem does apply to CFTs

I'm pretty sure, too. :)

Then again, the paper only demonstrates "rotational invariance at large scales". So if anything, any associated conserved charge would only be conserved (and defined!) approximately, i.e. in the large-scale limit.

[codethief]

Update: Link to relevant MathOverflow question: https://mathoverflow.net/questions/257896/lagrangian-formula...