Ground ring for the 2D NSR string

Abstract

We discuss the BSRT quantization of 2D $N=1$ supergravity coupled to superconformal matter with $\hat{c}\le 1$ in the conformal gauge. The physical states are computed as BRST cohomology. In particular, we consider the ring structure and associated symmetry algebra for the 2D superstring ($\hat{c}=1$).

31 pages