Supersymmetric semi--infinite cohomology and $N=2$ superconformal structures

Thomas Creutzig, Uhi Rinn Suh, Sangwon Yoon

We study supersymmetric semi-infinite cohomology and its $N=2$ superconformal structure via the BRST reduction of an $N=\frac{3}{2}$ superconformal structure on the super-aff…