The $W$ algebra structure of $N=2$ $C{P}_n$ coset models

Katsushi Ito

We discuss the $N=2$ super $W$ algebras from the hamiltonian reduction of affine Lie superalgebras $A(n|n-1{)}^{(1)}$ and $A(n|n{)}^{(1)}$. From the quantum hamiltonian reduction of $A…