Orbifolds of Gaiotto-Rapčák $Y$-algebras

Masoumah Al-Ali, Andrew R. Linshaw

The universal two-parameter ${\mathcal{W}}_{\infty }$-algebra is a classifying object for vertex algebras of type $\mathcal{W}(2,3,\dots ,N)$ for some $N$. Gaiotto and Rapčák recent…