Affine and Yangian Symmetries in $SU(2{)}_1$ Conformal Field Theory

Peter Bouwknegt, Andreas W. W. Ludwig, Kareljan Schoutens

In these lectures, we study and compare two different formulations of $SU(2)$, level $k=1$, Wess-Zumino-Witten conformal field theory. The first, conventional, formulation employs…