Duality via convolution of W-algebras

Thomas Creutzig, Andrew R. Linshaw, Shigenori Nakatsuka +1

Feigin-Frenkel duality is the isomorphism between the principal $\mathcal{W}$-algebras of a simple Lie algebra $\mathfrak{g}$ and its Langlands dual Lie algebra ${}^L\mathfrak{g}$.…