Equivariant Verlinde algebra from superconformal index and Argyres-Seiberg duality

Sergei Gukov, Du Pei, Wenbin Yan +1

In this paper, we show the equivalence between two seemingly distinct 2d TQFTs: one comes from the "Coulomb branch index" of the class S theory $T[\Sigma ,G]$ on $L(k,1)\times S^1$, the…