I want to work in two variables symmetric functions. For example, expand $h_\lambda(X+Y)$ or $h_\lambda(X) e_\mu(Y)$ to $s_\lambda(X) s_\mu(Y)$.
I want to work in two variables symmetric functions. For example, expand $h_\lambda(X+Y)$ or $h_\lambda(X) e_\mu(Y)$ to $s_\lambda(X) s_\mu(Y)$.